SINGLE EVENT VIOLATION DATA ENTRY GUIDE FOR
ICIS-NPDES
U.S. Environmental Protection Agency
Office of Enforcement and Compliance Assurance
Office of Compliance
Washington, DC 20460
October 15, 2008

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Single Event Violation Data Entry Guide for ICIS-NPDES
(Version 1.0 - October 15,2008)
Table of Contents
Page
1.	Introduction
2.	Background
3.	Entering a Single Event Violation and Definitions
4.	ICIS-NPDES Screen Flow and Data Entry Progressions and Codes
5.	Scenarios
1
I
3
6
II
a. Traditional Program and Pre-treatment Scenarios for DMR-submitting
facilities
11
15
b. Violation Tracking for CAFOs, CSOs, SSOs, and Storm Water
Attachments:
1	- Available Single Event Violation codes
2	- Available RNC Detection codes
3	- Available RNC Resolution codes
4	- Available RNC Status codes
About this Guide
This guide was released as an attachment to a joint memorandum signed on 10/15/08 by the
Office of Compliance and Office of Civil Enforcement to EPA Regional Offices. Please refer to
the joint memorandum for additional context and requirements for Regional reporting (for
example, how this Guide relates to the Interim Wet Weather Significant Noncompliance Policy).
This guide is primarily intended for EPA Regions, but it may be used by states that would like to
follow the protocols used by EPA Regions. State data entry of single-event violations for major
permittees are part of the existing requirements (entry of single event violations is part of the
Water Enforcement National Database (WENDB) list and carries forward to the associated ICIS
Addendum to the Appendix of the 1985 Permit Compliance System Policy Statement). States are
currently not required to report single event violations for non-major permits/facilities to
national data systems. This Guide replaces the Interim Single Event Data Entry Guide for EPA
Regions only (ICIS-NPDES) that had been released to the Regions in March 2007.

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1. Introduction
Single event violations are violations of the CWA's NPDES requirements that are
documented during a compliance inspection, reported by the facility, or determined
through other compliance monitoring methods by the regulatory authority. Examples of
single event violations include failure to obtain required permit, sampling wastewater in
an unauthorized location, or an unauthorized wastewater bypass or discharge. Single
event violations do not include violations generated automatically (e.g., effluent limit
violation from a DMR, or compliance schedule violations) by the Integrated Compliance
Information System for the National Pollutant Discharge Elimination System program
(ICIS-NPDES).
Single event violations include one-time events and long-term violations. Single event
violations are used by EPA to maintain and report the compliance status of a facility for
violations that are not automatically flagged by the database. Methods of detection of
single event violations include inspections; information collection requests; state/tribal
referrals; DMR comments; annual reports, non-compliance reports, and other reports
required under the permit, enforcement order, or regulation; facility self-audits; and
citizen complaints. In the case of unpermitted facilities, single event violations may be
entered in response to violations of CWA NPDES regulations. In certain cases, single
event violations may also include violations of the NPDES permit or an enforcement
order. The data are critical to forming an historical record of inspection findings and
compliance determinations that are made by the NPDES regulatory authority.
Single Event Violations discovered by EPA and the states are required to be entered into
the national databases (ICIS-NPDES or PCS) for major NPDES permittees. Via a joint
memorandum on 10/15/08 from the EPA Office of Compliance and Office of Civil
Enforcement to the Regional offices, data entry of single event violations discovered by
EPA Regional offices became required for non-major permits/facilities starting in fiscal
year 2009. Regional offices should use the appropriate database (PCS or ICIS-NPDES)
as determined by which data system the state is using (e.g., Regions finding single event
violations in non-migrated PCS states would enter their data into PCS).
EPA continues to strongly encourage state entry of single event violations for non-major
permits/facilities; however, at this time, there is no requirement for states to enter this
information into national databases. The CWA regulations (40CFR123.26) do require
states to have a tracking system for violations that they discover. To meet this
requirement, states are using their respective data system, ICIS-NPDES, or PCS to track
single event violations.
The purpose of this document is to provide clarification on the data entry and use of
single event violations in ICIS-NPDES so that the data elements are maintained in a
nationally consistent way. Regions (and states that are submitting SEV data to ICIS-
NPDES) should follow this Guide to ensure that information in the national system
represents a common understanding of what each field means. There are a few minor
technical differences in the handling of single event violations by the Permit Compliance
System (PCS) and ICIS-NPDES, which are further described in this document.
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2.	Background
Violation tracking is important because it creates a historical electronic record of
inspection or compliance monitoring findings. Tracking inspection results can impact
future enforcement decisions, particularly when a permittee continues to exhibit the same
violation over the course of several years. Repeat violations may lead the regulatory
authority to escalate or reclassify the violation (e.g. by designating Reportable Non-
Compliance or Significant Non-Compliance). Electronic documentation of violations
also improves the accuracy of public information, particularly since the lack of any
violations in the system is normally interpreted as full compliance by the database user.
This Guide does not create new reporting requirements, but instead is designed to ensure
that users entering single event violations are doing so in a consistent way. This guide
has been prepared to offer practical examples on how the data should be maintained in
the system. The regulatory authority should consult the list of reportable single event
violations (Attachment 1), and enter any listed violation that is determined through
inspections, review of self-reported information, or other means of discovery. If the
regulatory authority has the need to track additional violations beyond those listed on the
table, the system provides the flexibility to enter an "other violation" code, which can be
augmented with comment field narrative.
3.	Entering a Single Event Violation and Definitions
To enter a single event violation into ICIS-NPDES, the regulatory authority (i.e., region,
state, tribe) needs to identify the following—
Either the specific permit that is being violated (i.e., NPDES ID) or, in the case
where there is no Permit, the violating Facility (i.e., Unpermitted NPDES ID)
The type of the violation (Attachment 1 provides a list of codes and definitions)
The duration of the violation
The agency that discovered the violation (This field will be added to ICIS-NPDES
in December 2008. Please refer to upcoming ICIS-NPDES documentation
requirements for the data entry details on entering the lead agency.)
For violations that rise to the level of Reportable Noncompliance (RNC) or
Significant Noncompliance (SNC), additional data points are required to flag the
severity and resolution. This is particularly important for violations that meet the
Wet Weather SNC criteria described in the Interim Wet Weather SNC Policy
(issued to Regions only on October 23, 2007).
This is the minimum information required to enter a single event violation for either a
specific permit or an unpermitted Facility in ICIS-NPDES. This can be accomplished
through data entry online (i.e., Web) or future batch data entry. These data elements in
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combination form a unique key by which the single event violation can later be identified
and retrieved in ICIS-NPDES.
A Comments field and five user-defined fields will also be available to further describe
the single event violation. The Comments Field is required when the Single Event code
"Violation Specified in Comment" is used.
It is critically important that all single event violations that are more than one day in
duration receive a "Start Date" and an "End Date". Regulatory agencies should also take
credit for enforcement activities to resolve single event violations by making use of the
enforcement action data entry component of ICIS-NPDES. Enforcement actions can be
linked back to the single event violations that they address.
Definitions
The following definitions and examples clarify the use of these fields in ICIS-NPDES:
Violation Date: This is a system-required field that should be the date the violation first
occurred or, if unknown, the date the violation was discovered (e.g., observed, reported,
etc.). If the "Start" and "End" dates discussed below are not populated, a single event
violation with only a "violation date" populated is treated as a one-day only violation.
Any violation with a duration of longer than one day should have the "violation date" and
the "violation start date" filled in with the same date.
Violation Start Date - For any single event violation with duration of longer than one day,
the Violation Start Date should be populated using the same definition as the violation
date above. As noted above, the regulatory authority can choose to input the actual start
date of the violation if that date precedes the date that the government obtained first
knowledge of the violation.
Example 1: A sampling inspection is conducted on 1/1/05. Violation is confirmed
via lab test on 3/1/05. Violation start date is 1/1/05. ICIS-NPDES should reflect
a single event violation beginning on 1/1/05.
Example 2: Inspection record review performed on 2/1/05 determines that a
permittee failed to sample as required on 1/1/05, and has missed all required
sampling since that time. Regulatory authority should set start date as 1/1/05 even
though violation was not detected until 2/1/05.
Violation End Date - This is the date that a single event violation receives an end date in
ICIS-NPDES. The regulatory authority should end the violation at the point that it is
satisfied that the violation no longer exists (return to compliance). There are several
ways that the regulatory agency may determine return to compliance, for example, (1) a
facility has self-corrected a violation and provided satisfactory documentation to the
regulatory authority, (2) the regulatory authority may have conducted follow-up
compliance monitoring proving the problem is fixed, (3) the violation may have been
corrected as a result of a government action, or (4) the violation could have been
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corrected at the conclusion of a compliance schedule. If the regulatory authority is aware
that a facility has returned to compliance before government action is taken, the end date
should reflect the return to compliance date, not the date that government action is taken.
NOTES:
1.	Facilities with open single event violations (meaning a start date was
entered, but no end date) will continue to appear in violation in the national
and the public databases until the end date is entered. The regulatory
authority should use its judgment in regard to "ending" a single event
violation. For example, if the violation is determined to be closed prior to
the issuance of an enforcement action, it should be "ended" in the database.
Also, in the situation when the regulatory authority notices old or obsolete
violations that do not have an end date, an end date should be entered so the
facility does not appear to be in violation erroneously.
2.	In the case of a one time event such as a spill, the violation date can be
entered into ICIS-NPDES without filling out the "start" or "end" date
because the system will assume it is a one day violation. If the regulatory
authority prefers to enter the start and end date, EPA recommends that the
start and end date be set to the same day.
3.	If the violation is for failure to report or incorrect reporting, the end date
should be set to the end date of the period covered by the
missing/late/inaccurate report (rather than the date that the report is
corrected or received).
RNC Detection Date and associated RNC/SNC Determination - If the regulatory
authority determines that the single event violation merits classification as RNC or SNC
(e.g. meeting existing SNC definitions in the ERP, or the Interim WW SNC Policy), the
RNC Detection Code/Date (see Attachment 2) should be entered.
The RNC Detection Date is normally the date that the regulatory authority "determines"
that RNC (or SNC) criteria has been met (typically via a management review of inspector
findings, etc.). If the date that the "RNC/SNC determination" is made is not known, the
regulatory authority may use the violation start date, or the compliance
monitoring/inspection date as the RNC Detection Date.
RNC Resolution Date - The RNC Resolution Date applies to the RNC or SNC
resolution status of the violation.
Technical Discussion of RNC Resolution Date
The RNC fields should be entered manually. If only the RNC Detection
Code and Date are entered, the system will automatically set the RNC
Resolution Code to non-compliant and the RNC Resolution date will
default to the RNC Detection Date that was entered. When a formal
enforcement action is issued, the RNC Resolution will be automatically
changed to Resolved Pending, and will change to resolved when the
formal enforcement action is closed in ICIS. For automatic resolution to
occur, single event violations must be linked to the formal Enforcement
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Action non-penalty Final Order that includes a compliance schedule. The
regulatory authority may decide to manually resolve the violations if the
facility returns to compliance, or when the determination is made that
action by the regulatory authority is not warranted.
Additional Technical Information
Creation and Association of Violations to a NPDES ID. Users must first ensure that
violations are associated with an existing ICIS facility. If a facility does not exist in
ICIS-NPDES, because a) the regulated facility data has not yet been loaded by the
regulatory authority, or b) the facility is an unpermitted source, then the user should
follow established procedures to establish a new facility in the database to enable single
event violation data to be entered.
Editing and Linking Activities. Users should link related inspections, violations, and
actions to each other so that an accurate activity record can be maintained. An existing
single event violation can be edited, linked to and unlinked from an inspection or other
activity (Investigation, Information Request, or Offsite Record Review), and, if
necessary, deleted in the circumstance that the original determination is found to be
erroneous. Each of these actions is subject to a discrete set of edit checks and business
rules and can be accomplished by authorized batch or Web users. More information
about linking activities and creating IDs is available directly from ICIS (see "ICIS
Guidance" area then "ICIS User Guide").
At the time this document was published, final rules for linking had not been
developed for "batch. " This information will be provided at a later date.
Retroactive RNC/SNC determinations. Single event violations should be entered into
ICIS-NPDES in accordance with existing data entry timeliness standards. If this does not
happen, an RNC or SNC level single event violation can be entered retroactively after the
quarter has been analyzed by ICIS-NPDES for RNC/SNC determination.
Technical Discussion: To retroactively enter RNC/SNC determinations, the user will
be expected to enter the RNC Detection and Resolution codes and dates on the Single
Event Record. In most cases, the Resolution Code would already be resolved. In
addition, the user will need to review the official QNCR for that quarter to see if there
are any other violations in noncompliance. There is a priority for setting Permit
RNC Status. For example, a schedule violation is number one on the list and the
Permit RNC Status would not be changed in that situation. However, if the only
violations for the quarter are for the retroactive single event violations, the user will
need to manually populate the Permit RNC Status values with either E (RNC Manual
Detection Codes of B, I, G, and J) or N (RNC Manual Detection Codes of D, E, F, Q
or W) as appropriate for that quarter (see Attachment 4).
QNCR Processing and Public Access Display
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The following statements apply to QNCR processing and violation tracking in ICIS-
NPDES:
-	facilities with any permit violation during a quarter are considered in violation
-	the "Permit RNC Status" field (see Attachment 4 for codes) is used in ICIS-
NPDES to track the quarterly non-compliance status for both major and non-
major permits; however, only major permits with reportable non-compliance
(RNC)-level violations will make the official, regulatory QNCR
-	non-major permits/facilities that have violations will not go on the regulatory
QNCR, (unless the regulatory authority re-designates the permit as a major);
however, the quarterly noncompliance status will be publicly available (via
FOIA or web site such as Enforcement and Compliance History Online -
ECHO).
4. ICIS-NPDES Screen Flow and Data Entry Progressions and Codes
Changes from PCS. Some single event violation functionality has been changed and
improved from how it operated in legacy PCS to better align the system with users'
business needs. A summary of such changes follows.
Linking/Unlinking a Single Event Violation and an Inspection
Single event violations may be identified during an inspection of a facility or
other compliance monitoring methods (Investigation, Information Request, or
noncompliance report received). Likewise, the identification of a single event
violation may cause an inspection of a facility to be initiated. However, legacy
PCS did not provide a means to capture the relationship between these two
activities. To improve data quality and facilitate reporting, ICIS-NPDES users
can link a single event violation directly to an Inspection or other activity when
applicable. ICIS-NPDES will also allow users to unlink a single event violation
from an Inspection or other activity if that relationship is deemed invalid.
Capture of Single Event Violation Duration
Many single event violations will span multiple days. Legacy PCS did not
provide a means to capture that time frame. To capture the duration of the
particular violation, users should enter a Single Event Violation Start Date and a
Single Event Violation End Date (when known).
The following sections discuss the details behind these modernization features and the
requirements, functionality, data elements, and business rules that support the processing
of single event violations in ICIS-NPDES. After adding the Single event violation, Web
users will be able to—
Edit a Single Event Violation
Link a Single Event Violation to an Inspection, or other means of discovery
Add another Single Event Violation.
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Users may enter or update the Single Event Violation Start and End Dates as well as user-
defined data elements and Comments using the edit feature. They may also enter and/or
update manual RNC detection and resolution data. As a general rule, edits can occur at any
time after the single event violation is added in ICIS-NPDES. The processing that supports
this edit feature is discussed below in terms of online data entry.
ICIS-NPDES Screen Progressions and Codes. Figure 1 shows the Add Single Event Violation
screen. The user will be able to navigate to this screen from three points within the application
as follows:
From the ICIS-NPDES Home Page, the user will click on the Add Single Event
Violation hyperlink under the heading NPDES Violations. The Add Single Event
Violation screen will display.
From the List Single Event Violation screen, which is displayed as a result of a NPDES
Violations search, the user will click on the Add Single Event Violation link located in
the upper right corner of the screen. The Single Event Violation Key Data screen will
display.
From within the Permit, the user will—
-	Click on the NPDES Violations tab. The Violation Search Criteria screen will
display.
-	Click on the Single Event Violation radio button and search
-	Click on the Add Single Event Violation link located in the upper right corner of the
screen. The Single Event Violation Key Data screen will display.
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Figure 1. Add Single Event Violation Screen
1 This screen will be updated to include the Lead Agency field in December 2008
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The table below describes the most common ICIS-NPDES data entry progression as it
relates to the violation review process outlined in the Enforcement Management System
(EMS). All data entry should be done according to the targets for data quality set forth in
existing guidance.
Table 1. Data Progression Example 1

Activity Performed
ICIS-NPDES Data Entry
In Violation
In SNC
A
Compliance
Monitoring
Enter Inspection
-
-
B
Non-Compliance
Determined
Enter appropriate Single Event
Violation(s) and link to
Inspection (or other activity)
record
Yes
No
C
RNC/SNC
Determined
Add appropriate RNC
Detection and Resolution Code
to Violation record
Yes
Pending
system-
generated
RNC/
SNC
Status
D
Notice of Violation
(NOV) sent
Add Informal Enforcement
Action Code and link to
Violation record
Yes
Pending
system-
generated
RNC/
SNC
Status
E
RNC/SNC Processing
System-generated. No data
entry required.
Yes
Yes
F
SNC Addressed with
Formal Enforcement
Action and
Compliance Schedule
Enter Formal Enforcement
Action (non-penalty Final
Order) and Compliance
Schedule, and link to Violation
for automatic RNC/SNC
resolution
Yes
System-
generated
"Resolved
Pending"
status
G
Completion of
Compliance Schedule
Complete schedule, close out
action, and put end date on
single event violation
No
No
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Another variation on this progression is presented in the following table, where a facility
returns to compliance before it is designated in SNC.
Table 2. Data Progression Example 2

Activity Performed
ICIS-NPDES Data Entry
In Violation
In SNC
A
Compliance
Monitoring
Enter Unpermitted Facility
data
-
-
B
Non-Compliance
Determined
Enter appropriate Single Event
Violation(s) "Failure to Apply
for a Permit"
Yes
No
C
RNC/SNC
Determined
Add appropriate RNC
Detection and Resolution Code
to Violation record
Yes
Pending
system-
generated
RNC/ SNC
Status
D
Notice of Violation
(NOV) sent
Add Enforcement Action Code
and link to Violation record
Yes
Pending
system-
generated
RNC/ SNC
Status
Facility applies for a permit 30 days later.
E
Permit Application
Enter Permit application data
and link to Unpermitted
Facility
-
-
F
Non-compliance
Resolved
Put end date on single event
violation for unpermitted
facility and add manual RNC
Resolution Code
No
Pending
system-
generated
RNC/ SNC
Status
G
RNC/ SNC
Processing at
Unpermitted Facility
System-generated. No data
entry required.
No
System-
generated
"Resolved"
status
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5. Scenarios
To ensure consistency across regulatory authorities, OECA recommends that single event
violations discovered by the regulatory authority and listed on the single event violation
table should be:
(1)	tracked as a single event violation,
(2)	linked to the inspection or other compliance monitoring activity if applicable,
(3)	evaluated for RNC/SNC by the regulatory authority, with appropriate RNC
detection codes entered into the database that reflect the determination made, and
(4)	resolved (some resolutions result in resolved pending status):
a.	resolved as a result of a formal enforcement action non-penalty final order
with a compliance schedule linked to the violation,
b.	resolved because the facility has returned to compliance on its own (or via
an informal action), or
c.	resolved due to the decision that action will not be taken by the regulatory
authority.
Note: If the violation is enteredfor tracking purposes and will not receive action, step
4 is not necessary, but the appropriate single event violation end date needs to be
entered as discussed in the definitions section and the following scenarios.
The following scenarios demonstrate how ICIS-NPDES should be used to document a
complete and consistent set of "pipeline" data (inspection, violation type/duration, action)
that is necessary for inspection-driven programs. For "actionable" single event
violations, the regulatory authority should use SNC designations consistent with the
EMS.
5a. Traditional Program and Pre-treatment Scenarios for DMR-submitting
Facilities (practices for facilities that have a QNCR generated - majors or non-major
standard permits)
Scenario 1 - Violation found via inspection at facility that submits DMRs - action
required.
Facts: On 12/1/04, the regulatory authority inspected Facility X. On 1/1/05,
the regulatory authority determines that sampling has been improperly
conducted since 9/1/04, which produces DMRs that are not correct. The
regulatory authority determines that the detected violation has "masked" true
SNC. Facility agrees to fix problem for future quarters beginning in the April
2005 quarter. Formal administrative enforcement action is completed on
5/1/05.
ICIS Data Entry: Inspection on 12/1/04 is entered. After the 1/1/05
determination is made, the regulatory authority enters the SEV and selects
9/1/04 as the violation date and start date. [Note that by entering the violation
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date as 9/1/04, this assumes the regulatory authority wants to "backdate " the
violation to when it started.J The SEV is linked to the inspection. Although
the single event violation start date is recorded as 9/1/04, the RNC detection
code is entered with the detection date of 1/1/05. Depending on the RNC code
entered for the single event violation, the SNC (RNC Permit status code of E
or N) will be automatically generated in the Jan-Mar reporting quarter if no
other types of violations exist for the facility. The SEV end date is chosen as
3/31/05 - the date that the regulatory authority verifies that the DMR data stops
being corrupted by the sampling problems. The regulatory authority issues a
formal enforcement action, non-penalty final order on 5/1/05 and links the
action to the single event violation and enters a compliance schedule event.
RNC will be automatically changed to Resolved Pending and will remain until
the final order is closed. The user can: a) use compliance schedule event
"Achieve final compliance with all obligations under this order" (CS031) when
no specific events are required, b) and when the requirements of the Order are
met, enter the Enforcement Action Closed date under the Milestones (which
will automatically populate the NPDES Closed Date in the Final Order). Once
the Closed Date has been entered, the RNC resolution will automatically
change to "Resolved".
Scenario 2 - One time significant spill at major occurs with fish kill.
Facts: Facility operator error causes spill on 1/1/05. The regulatory authority
determines spill is significant and that a penalty order is needed on 3/1/05. No
injunctive relief was needed.
ICIS Data Entry: The SEV is entered with 1/1/05 for the violation date and
(no start or end date needed). System assumes one day event. After the
regulatory authority evaluates the spill to be SNC, RNC Code "J" needs to be
manually entered indicating "unpermitted discharge" (other codes are available
for different situations) that will trigger SNC (RNC status code=E) in that
quarter. The RNC detection date corresponds to the date that the regulatory
authority first found out about the spill. Penalty order on 3/1/05 is entered and
is tied to the SEV in system. Since penalty actions do not automatically
resolve SNC in ICIS-NPDES, the regulatory authority would manually resolve
SNC by adding a resolution code and date of 3/1/05. Penalty order is closed
out when the actual date is entered under the Milestones, Enforcement Action
Closed.
Note: If injunctive relief was needed, a formal non-penalty action with a
compliance schedule would be entered in addition to the penalty order.
Scenario 3 - Multiple spills that are actionable are determined during facility audit
or review of files.
Facts: 150 spills are determined through a file review on 1/1/05.
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ICIS Data Entry: After the 1/1/05 review is entered, the regulatory authority
should enter one SEV (with start and end dates corresponding to the dates of
the first and last spill) with an RNC code with a note in the comment field
indicating the number of spills, the estimated volume of the spill, and the
pollutants involved. Depending on the source of the information (emergency
response database, SSO spills database, etc.) and the spill severity (measured
by volume or pollutant), the regulatory authority may use their best judgment
to decide whether or not to track the information in ICIS-NPDES.
Note: Ideally, EPA recommends that all reported spills are entered into the
system as they occur. This data will demonstrate a pattern of non-compliance
which should be a factor in determining whether to take an enforcement
action and what type of action to take. However, if this is not possible, it is
recommended to "backdate " the noncompliance. In cases where the true
start date for the violation is not known, the earliest available date of
discovery (e.g. inspection, data entry) should be used.
Scenario 4 - Minor violations found at facility requiring follow-up with 308 letter,
but no action.
Facts: Violations found on 1/1/05 during an inspection. On 2/1/05, inspector
or enforcement officer sends a 308 letter to obtain more information in order
to make a RNC determination. Response is due on 3/1/05, and inspector
receives response to letter on 2/25/05 with sufficient information indicating
that the violation was corrected on 2/15/05. No formal action taken because
inspector determined that violations were minor and self-corrected.
ICIS Data Entry: The SEV is entered with 1/1/05 for both the violation and
state dates, and 2/15/05 for the end date. A 308 letter is entered in the
Compliance Monitoring section, Add Information Request category, and
actual date should be entered and linked to the SEV. System will not track
need for report by 3/1 because a formal compliance schedule was not entered.
Scenario 5 - Pretreatment Violation Tracked to Resolution with No Action
Needed.
Facts: The EPA Region is the control authority for a state in which an
inspector finds a categorical industrial user (CIU) discharging to a publicly-
owned treatment works (POTW) without an approved pretreatment program
and not reporting as required under federal regulations, on 1/1/05. The
reporting violation is corrected and verified (without inspection) on 3/1/05, no
enforcement action needed.
ICIS Data Entry: Create NPDES Facility Interest record for the CIU by
entering a NPDES permit record with Permit Type "Industrial User". The
receiving POTW NPDES ID and a NPDES ID must be entered to save the
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record. The SEV is entered with 1/1/05 for both the violation and state dates
and 3/1/05 for the end date and is linked to the inspection record. No RNC
tracking or action.
Scenario 6 - Tracking a facility as a known Categorical Industrial User.
Facts: During a Pretreatment inspection an inspector finds violations on
1/1/05 for failure to submit Periodic Compliance Reports (PCR), not
monitoring for all the required pollutants, not applying right standards, or
sampling methods. The regulatory authority decides on 2/1/05 that violations
are serious and action is required. Formal administrative action is taken on
3/1/05. The CIU submits the reports and corrects all the violations on
3/31/05.
ICIS Data Entry: The SEV is entered with both the violation and start dates
of 1/1/05 and is linked to the inspection record. Enter RNC detection code
"Q" (see Attachment 2), and detection date of 02/01/05. The formal
enforcement action non-penalty Final Order is entered and tied to the single
event violation(s) on 3/1/05 with a compliance schedule entered indicating
report and corrective actions are due by 3/31/05. This will resolve pend the
single event violation(s). The compliance schedule is completed with the
entry of the actual and received dates. The violation end date(s) and the
enforcement action closure date of 3/31/05 are entered. Closing the
enforcement action will automatically resolve the single event violation(s).
14

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5b. Scenarios for Wet Weather Violation Tracking CAFOs, CSOs, SSOs, and Storm
Water
"Wet weather" regulated entities refer collectively to storm water runoff, discharges from
concentrated animal feeding operations (CAFOs), combined sewer overflows (CSOs),
and sanitary sewer overflows (SSOs) that are regulated under the Clean Water Act
(CWA), 33 U.S.C. §§ 1251 et seq., and the National Pollutant Discharge Elimination
(NPDES) Program, under CWA § 1342. Frequently - but not always - discharges of
pollutants from these operations are related to weather events. The discharges can be
non-weather related as well, e.g., illegal dry weather overflows from combined and
sanitary sewer systems.
ICIS-NPDES provides the flexibility to track violations at both major and minor (or non-
major) facilities. The system allows for "single event violations," "reportable
noncompliance," and "significant noncompliance." For major permits, the regulatory
authority should use the Interim Wet Weather SNC Policy (issued to Regions only on
October 23, 2007) and the Enforcement Management System to determine whether
violations rise to SNC level. However, the vast majority of wet weather violations will
be for non-major permits/facilities. Regulatory authorities may choose to use the system
functionality to track the severity of violations for non-major permits/facilities; however,
any RNC or SNC violations entered for non-major permits are not part of the regulatory
quarterly noncompliance report (QNCR) because the QNCR only applies to major
permits. OECA will assume that any non-major permit/facility that is designated in SNC
in the database does not belong on the regulatory QNCR. If a regulatory authority
believes a non-major permit/facility should be on the QNCR, it should be designated as a
"discretionary major2."
This guide provides a framework for how ICIS-NPDES can be used to track Wet
Weather single event violations and designate RNC/ SNC, as appropriate. Entry of the
single event violation will ensure an accurate database record, and will make EPA's
public access site reflect the inspection results. It is critically important that all EPA
single events entered are identified as being discovered by EPA (this functionality will be
added to ICIS-NPDES in December, 2008). This will allow EPA to distinguish EPA
violations from state-discovered violations.
Note: All scenarios assume no other violation.
2 EPA's June 27, 1990 memorandum, entitled "New NPDES Non-Municipal Permit Rating System," from
James Elder to the Regional Water Management Division Directors provides discretion to the
regulatory authority to classify a facility that does not meet the "NPDES Permit Rating Work Sheet"
formula for "major" as a "discretionary major," when warranted and rationale provided.
"Discretionary majors" are subject to all the data tracking and compliance evaluation screening (e.g.,
SNC) that apply to NPDES majors.
15

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Scenario 7 - Wet Weather Violation Tracked to Resolution with No Action
Needed.
Facts: Inspector finds violation on 1/1/05. Violation is corrected and verified
(without inspection) on 3/1/05, no enforcement action needed.
ICIS Data Entry: The SEV is entered with 1/1/05 for both the violation and
start dates; 3/1/05 for the end date; and linked to the inspection record. No
RNC tracking or action.
Scenario 8 - Violation at wet weather facility is determined to meet definition of
SNC under Interim Wet Weather SNC Policy (with need for formal
action).
Facts: EPA Regional inspector finds a violation on 1/1/05 for failure to submit
report covering 10/1/04 through 12/31/04. On 2/1/05, EPA makes a
determination that the violation meets the Wet Weather SNC definition and
decides that formal action is required. Formal administrative action taken on
3/1/05. Facility submits report on 3/30/05.
ICIS Data Entry: The SEV is entered with 10/1/04 for both the violation and
start dates and linked to the inspection record. RNC detection code "B" (see
Attachment 2) and RNC Detection Date of 2/1/05 (RNC status code=E).
Formal action (with a non-penalty final order) tied to single event violation on
3/1/05, and compliance schedule milestone is entered indicating report must be
received by 3/30/05. Violations are automatically set to Resolved Pending.
Violation end date entered as 12/31/04, the enforcement action is closed out, in
the Milestones resulting in RNC resolution changing to Resolved for this
violation. Compliance schedule is completed with the actual and received
dates. Regions should consult the Interim Wet Weather Policy for guidance
regarding on what violations need to be designated as SNC. SNC violations
must be entered using the RNC detection codes B, I, G, or J.
Scenario 9 - Violation at wet weather facility is detected and then corrected before a
penalty order is taken.
Facts: Same scenario as #2, except penalty action is chosen, and facility
returns to compliance on 2/1/05 (before the penalty action is taken).
ICIS Data Entry: The SEV is entered with 1/1/05 for both the violation and start dates;
with 2/1/05 for the end date; and is linked to the inspection record. Penalty action is
entered on 3/1/05 and closed out in the Milestones. At the regulatory authority's
discretion, there are two data entry options: User Option A - RNC detection code is not
entered since the regulatory authority decided an administrative action was not needed.
User Option B - alternatively, the user could enter an RNC detection code and then
16

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manually resolve it once a determination is made that an enforcement action is not
warranted.
Scenario 10 - Multiple wet weather violations discovered during an EPA Regional
facility inspection, SNC is determined, action is taken, and a long-
term compliance schedule established.
Facts: Wet weather violations detected on 1/1/05 and still continuing. SNC
determination is made on 1/15/05. Regulatory authority takes formal action
against facility on 3/1/05 and puts the facility on a compliance schedule, at
which time, the facility will have all problems corrected.
ICIS Data Entry: The SEVs are entered with 1/1/05 for both the violation
and start dates, and are linked to the inspection record. RNC Detection Code
of "B" is used because the violation fits the definition of the Interim WW
SNC Policy. RNC Detection Date is 1/15/05. User enters enforcement action
code and date of 3/1/05, and enters a compliance schedule due to be
completed on 1/1/06. Both are linked to the SEV records. This puts the
facility into the Resolved Pending category until the enforcement action is
closed out in the Milestones. The compliance schedule actual date is entered
to complete the schedule, which in turn will automatically resolve RNC/SNC
status (because the order and compliance schedule are completed). The
Region must also close out the violation date by putting in an end date, which
in this example, is the date that the compliance schedule is completed on
1/1/06.
NOTES:
Scenarios 8 and 10 relate to violations that are detected by EPA Regional offices
under the Interim Wet Weather SNC Policy (which applies only to the Regions).
If a state is voluntarily implementing the WW SNC Policy, they may follow the
same procedures as above. If states are tracking single event violations at non-
major permits/facilities, but they do not want the violations to be determined as
SNC, then RNC detection codes other than B, I, G, and J should be used (which
will generate an RNC status, not an SNC status).
17

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Attachment 1
- Available Single Event Violation codes

Code
Description
Definition
A0018
Effluent Violations - Approved Bypass
In CSO systems, can only occur after the
headworks of a treatment plant.
A0013
Effluent Violations - Failed Toxicity Test

A0023
Effluent Violations - Industrial Spill

A0017
Effluent Violations - Inspection sample above historic DMR range

A0022
Effluent Violations - Narrative Effluent Violation
visible sheen/ scum/ floatables
A0012
Effluent Violations - Numeric effluent violation

A0016
Effluent Violations - Reported Fish Kill

A0011
Effluent Violations - Unapproved Bypass
In CSO systems, can only occur after the
headworks of a treatment plant.
A0015
Effluent Violations - Unauthorized Discharge of Brine

BOO 19
Management Practice Violations - Best Management Practice Deficiencies

B0024
Management Practice Violations - Biosolids/Sewage Sludge Violation (Part 503 and State
Regulations)

B0026
Management Practice Violations - Failure to Allow Entry

B0012
Management Practice Violations - Failure to Conduct Inspections

B0027
Management Practice Violations - Failure to Develop Adequate SPCC Plan

BOO 11
Management Practice Violations - Failure to Develop/Enforce Standards

B0028
Management Practice Violations - Failure to Implement SPCC Plan

B0041
Management Practice Violations - Failure to Maintain Records

B0040
Management Practice Violations - Improper Chemical Handling

B0023
Management Practice Violations - Improper Land Application (non-503 non-CAFO)

B0020
Management Practice Violations - Improper Operation and Maintenance

B0025
Management Practice Violations - Inflow/Infiltration (I/I)

B0021
Management Practice Violations - Laboratory Not Certified

B0022
Management Practice Violations - No Licensed/Certified Operator

B0042
Management Practice Violations - Violation of a milestone in an order

COO 17
Monitoring Violations - Analysis not Conducted

COOll
Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements

C0021
Monitoring Violations - Failure to Monitor for Toxicity Requirements

COO 15
Monitoring Violations - Frequency of Sampling Violation

COO 18
Monitoring Violations - Improper Analysis or Lab Error


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Code
Description
Definition
COO 14
Monitoring Violations - Invalid/Unrepresentative Sample

COO 16
Monitoring Violations - No Flow Measurement Device

DOOM
Permit Violations - Application Incomplete

DOOll
Permit Violations - Discharge Without a Valid Permit

D0012
Permit Violations - CWA §308 Failure to submit required permit application information
This is a CWA §308 violation.
D0015
Permit Violations - Failure to Pay Fees

D0016
Permit Violations - Failure to Submit Timely Permit Renewal Application

D0013
Permit Violations - Unapproved Operation

D0017
Permit Violations - Violation Specified in Comment

COO 12
Pretreatment - Baseline Monitoring Report Violation

BOP 12
Pretreatment - Failure to Conduct Inspections

BOP 11
Pretreatment - Failure to Develop/Enforce Standards

BOO 13
Pretreatment - Failure to Enforce Against I/U

BOO 15
Pretreatment - Failure to Establish Local Limits

COO 13
Pretreatment - Failure to Establish Self-Monitoring Requirements

BOOM
Pretreatment - Failure to Issue SIU Permits

B0016
Pretreatment - Failure to Meet Inspection and Sampling Plan for SIUs

E0015
Pretreatment - Failure to submit required report (non-DMR)

B0P40
Pretreatment - Improper Chemical Handling

A0014
Pretreatment - IU Violation of Pretreatment Standards

E0017
Reporting Violations - Failure to Notify

E0012
Reporting Violations - Failure to Submit DMRs

E0016
Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)

E0013
Reporting Violations - Improper/ Incorrect Reporting

EOOll
Reporting Violations - Late Submittal of DMRs

E0014
Reporting Violations - Noncompliance with Section 308 Information Request

B0A19
WW CAFO - Best Management Practice Deficiencies

B0038
WW CAFO - Direct Animal Contact with Waters of US

DOA11
WW CAFO - Discharge without a permit

B0A12
WW CAFO - Management Practice Violations - Failure to Conduct Self Inspections
should include only inspections that are
NOT date based
B0032
WW CAFO - Management Practice Violations - Failure to Develop or Update NMP

B0033
WW CAFO - Management Practice Violations - Deficiencies in Implementing the NMP/ permit

B0A41
WW CAFO - Failure to Maintain Records or Meet Record Keeping Requirements
includes SNC criteria "failure to meet
record keeping requirements"
19

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Code
Description
Definition
B0043
WW CAFO - Management Practice Violations - Fail to inform permit authority of significnt
NMP changes

CO All
WW CAFO - Failure to Monitor

D0A12
WW CAFO - Permitting Violations - Failure to submit required permit application or
identifying info
This is a CWA §308 violation.
COO 19
WW CAFO - Monitoring Violations - Failure to Test Manure or Soil, as Required

B0A40
WW CAFO - Improper Chemical Handling

B0A23
WW CAFO - Management Practice Violations - Fail to Implemnt Land App BMPs,excluding
buffers/setbacks

B0039
WW CAFO - Management Practice Violations - Improper Waste Management, excluding land
application

B0037
WW CAFO - Improper Mortality Management

B0036
WW CAFO - Management Practice Violations - Improper O&M

E0A13
WW CAFO - Improper/Incorrect reporting

B0034
WW CAFO - Insufficient Buffers/Setbacks

B0035
WW CAFO - Insufficient Storage Capacity

A0A22
WW CAFO - Narrative effluent violation

E0A16
WW CAFO - Reporting Violations - No Annual Report or Other Required Report Submitted

C0020
WW CAFO - Monitoring Violations - No Depth Marker in Storage Pond

E0A14
WW CAFO - Noncompliance with section 308 Information Request

A0A12
WW CAFO - Numeric effluent violation

A0019
WW CAFO - Production Area Runoff

B0A42
WW CAFO - Management Practice Violations - Viol, of a milestone or final compliance date in

an order



As stated in 40 CFR 122.41(m)(l)(i), a


bypass means the intentional diversion of
A0C18
WW CSO - Approved Bypass
waste streams from any portion of a
treatment facility. In CSO systems,
therefore, a bypass can only occur after
the headworks of a treatment plant.


For CSOs, Any unauthorized overflow
A0024
WW CSO - Dry weather overflow
from combined sewage systems only
during dry weather
B0030
WW CSO - Management Practice Violations - Failure to Develop or Submit Adequate LTCP

B0031
WW CSO - Failure to Implement LTCP

20

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Code
Description
Definition
BC291
WW CSO - Failure to implement required NMC #1 (Proper operation and maintenance)

BC292
WW CSO - Failure to implement required NMC #2 (Maximum use of the collection system)

BC293
WW CSO - Failure to implement required NMC #3 (Review pretreatment requirements)
Includes failure to prevent IU discharges
from CSO discharge without requiring
appropriate IU pretreatment or storage.
BC294
WW CSO - Failure to implement required NMC #4 (Maximization of flow)

BC295
WW CSO - Failure to implement required NMC #5 (Elimination of dry weather flow)
includes failure to implement controls to
prevent dry weather overflows but should
not include actual dry weather overflows
BC296
WW CSO - Failure to implement required NMC #6 (Control of solids)
Includes floatables
BC297
WW CSO - Failure to implement required NMC #7 (Pollution prevention programs)

BC298
WW CSO - Failure to implement required NMC #8 (Public notification)

BC299
WW CSO - Failure to implement required NMC #9 (Monitoring)

B0C41
WW CSO - Failure to Maintain Records or Meet Record Keeping Requirements

C0C11
WW CSO - Failure to monitor

E0C16
WW CSO - Failure to submit required report (non-DMR)

E0C13
WW CSO - Improper/Incorrect reporting

B0044
WW CSO - LTCP implementation schedule milestone missed

A0C22
WW CSO - Narrative effluent violation
Such language is usually found in the
"boilerplate" of the permit. For example,
such narratives may say no discharge
causing or contributing to an exceedance
of a State water quality standard, no
floatables, no discharge in toxic amounts,
discharge must be free from odor, etc.
E0C14
WW CSO - Noncompliance with section 308 Information Request



This should be used only when there is a
A0C12
WW CSO - Numeric effluent violation
specific numeric effluent limitation for
this outfall in the permit.


As stated in 40 CFR 122.41(m)(l)(i), a
bypass means the intentional diversion of
A0C11
WW CSO - Related Unapproved Bypass
waste streams from any portion of a
treatment facility. In CSO systems,
therefore, a bypass can only occur after
the headworks of a treatment plant.
21

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Code
Description
Definition
A0021
WW CSO - Unauthorized CSO Discharge to Waters/Wet Weather
For CSOs, any unauthorized discharge
from combined sewer including
unauthorized discharges from CSO
regulators (i.e. failure to maximize flow to
WWTP), or unauthorized discharges from
other locations (e.g., manhole covers,
pump stations). In CSO systems, these
discharges can only occur before the
headworks of a treatment plant. Include
in the comments field the number of
events and estimated total volume per


Does not include dry weather overflows.
A0025
WW CSO - Effluent Violations - O&M viol resulting in unauth spills/overflows to dry
Include in the comments field the number
land/bldg backup
of events and estimated total volume per
reporting period.
B0045
WW CSO - Violation of a milestone in a permit

B0C42
WW CSO - Violation of a milestone in an order



As stated in 40 CFR 122.41(m)(l)(i), a
AOS 18
WW SSO - Approved Bypass
bypass means the intentional diversion of
waste streams from any portion of a
treatment facility.


Include in the comments field the number
A0020
WW SSO - Discharge to Waters
of events and estimated volume per
reporting period
DOS 11
WW SSO - Discharge without a valid permit (includes satellite systems)

B0S41
WW SSO - Failure to Maintain Records or Meet Record Keeping Requirements

COS 11
WW SSO - Failure to monitor



Includes §122.41(1)(6) violations for
E0018
WW SSO - Failure to report other violation
failure to report any SSO spill except
those violations that may endanger public
health § 122.41(1)(7).
E0019
WW SSO - Failure to report violation that may endanger public health 122.41(1)(7)
Exclude § 122.41(1)(6) violations.
DOS 12
WW SSO - CWA §308 Failure to submit required permit application info (includes satellite
systems)
This is a CWA §308 violation and applies
to any facility discharging SSOs without a
permit application per 40 CFR 122.21.
22

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Code
Description
Definition
B0S20
WW SSO - Improper Operation and Maintenance
Frequent sewage spills (including those to
dry land) may be indicative of improper
operation and maintenance. Includes
failure to develop and implement CMOM
program, if required.
A0S22
WW SSO - Narrative effluent violation
Such language is usually found in the
"boilerplate" of the permit. For example,
such narratives may say no discharge
causing or contributing to an exceedance
of a State water quality standard, no
floatables, no discharge in toxic amounts,
discharge must be free from odor, etc.
E0S14
WW SSO - Noncompliance with section 308 Information Request

AOS 12
WW SSO - Numeric effluent violation

A0026
WW SSO - Overflow to Dry Land or Building Backup
Frequent sewage spills (including those to
dry land) may be indicative of improper
operation and maintenance. Include in the
comments the number of events and
estimated total volume per reporting
period.


As stated in 40 CFR 122.41(m)(l)(i), a
AOS 11
WW SSO - Related Unapproved Bypass
bypass means the intentional diversion of
waste streams from any portion of a
treatment facility.
BS42A
WW SSO - Violation of milestone in an administrative order

BS42J
WW SSO - Violation of milestone injudicial decree

B0046
WW SSO - Violation of sewer moratorium or restriction
May also be a violation of 40 CFR
122.41(c) or (d).
DOR11
WW Storm Water Construction - Discharge without a permit
No permit and no valid waiver or
exemption
D0R18
WW Storm Water Construction - Failure to apply for a notice of termination
Failure to submit Notice of Termination
B0R12
WW Storm Water Construction - Failure to Conduct Inspections

B0C17
WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMP

B0C18
WW Storm Water Construction - Failure to Implement SWPPP/SWMP

B0R41
WW Storm Water Construction - Failure to Maintain Records

23

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Code
Description
Definition
COR 11
WW Storm Water Construction - Failure to Monitor
Where required by permit
BR19A
WW Storm Water Construction - Failure to properly install/implement BMPs

BR19B
WW Storm Water Construction - Failure to properly operate and maintain BMPs

D0R12
WW Storm Water Construction - CWA §308 Failure to submit required permit application
information
This is a CWA §308 violation.
E0R16
WW Storm Water Construction - Failure to submit required report (non-DMR)
Where required by permit
A0R22
WW Storm Water Construction - Narrative effluent violation
Where required by permit
E0R14
WW Storm Water Construction - Noncompliance with section 308 Information Request

A0R12
WW Storm Water Construction - Numeric Effluent Violation
Where required by permit
B0R42
WW Storm Water Construction - Violation of a milestone in an order

D0M11
WW Storm Water MS4 - Discharge without a permit

BOM 12
WW Storm Water MS4 - Failure to Conduct Inspections

BOM 17
WW Storm Water MS4 - Failure to develop any or adequate SWPPP/SWMP
Includes failure to revise SWMP to meet
MEP
BOM 18
WW Storm Water MS4 - Failure to Implement SWPPP/SWMP
Includes failure to adequately implement
all or any part of SWMP
B0M41
WW Storm Water MS4 - Failure to Maintain Records or Meet Record Keeping Requirements

COM 11
WW Storm Water MS4 - Failure to Monitor

BM19A
WW Storm Water MS4 - Failure to properly install/implement BMPs
Refers to structural controls
BM19B
WW Storm Water MS4 - Failure to properly operate and maintain BMPs
Refers to structural controls
D0M12
WW Storm Water MS4 - CWA §308 Failure to submit required permit application information
This is a CWA §308 violation.
E0M16
WW Storm Water MS4 - Failure to submit required report (non-DMR)

A0M22
WW Storm Water MS4 - Narrative effluent violation
Where required by permit
E0M14
WW Storm Water MS4 - Noncompliance with section 308 Information Request

A0M12
WW Storm Water MS4 - Numeric Effluent Violation
Where required by permit
B0M42
WW Storm Water MS4 - Violation of a milestone in an order

DON 11
WW Storm Water Non-Construction - Discharge without a permit
No permit and no valid waiver or
exemption


Failure to submit a Notice of Termination
DON 18
WW Storm Water Non-Construction - Failure to apply for a notice of termination
when transferring authority or ceasing
operations
BON 12
WW Storm Water Non-Construction - Failure to Conduct Inspections

BON 17
WW Storm Water Non-Construction - Failure to develop any or adequate SWPPP/SWMP

BON 18
WW Storm Water Non-Construction - Failure to Implement SWPPP/SWMP

B0N41
WW Storm Water Non-Construction - Failure to Maintain Records

24

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Code
Description
Definition
CON 11
WW Storm Water Non-Construction - Failure to Monitor

BN19A
WW Storm Water Non-Construction - Failure to properly install/implement BMPs

BN19B
WW Storm Water Non-Construction - Failure to properly operate and maintain BMPs

DON 12
WW Storm Water Non-Construction - CWA §308 Failure to submit required permit application
info
This is a CWA §308 violation.
EON 16
WW Storm Water Non-Construction - Failure to submit required report (non-DMR)

A0N22
WW Storm Water Non-Construction - Narrative effluent violation

EON 14
WW Storm Water Non-Construction - Noncompliance with section 308 Information Request

AON 12
WW Storm Water Non-Construction - Numeric Effluent Violation

B0N42
WW Storm Water Non-Construction - Violation of a milestone in an order

25

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Attachment 2 - Available RNC Detection codes
Bold codes trigger SNC code "E- Effluent Violations" quarterly status for single event
violations. Regions that are reporting wet weather SNC under the Interim Wet Weather
SNC Policy must use one of these four bold codes to indicate SNC, even if there is
another code that more closely matches the violation. Italicized text codes trigger RNC
code "N-Reportable Noncompliance" quarterly status for single event violations. Note
that "DIS" means "discretionary."
Code
Description
Detection
Type
Definition
Setting
Type
QNCR
Category
A
Enforcement Order
ENF
Measurement exceeded
administrative monthly
average limit set by a
formal enforcement action
Automatic
1(A)
B
Manual 2A4 - Pass-
Through*
DIS (SEV)
Discretionary or manual
entry of a violation of a
pass-through of
pollutants
Manual
II (A) (4)
C
Chronic Violation
EFF CHR
Chronic violation of four
or more violations of the
monthly average occurring
within a consecutive six
month time frame.
Automatic
1(C)
D
Manual Other
DIS (SEV)
Discretionary or manual
entry of violation of
condition in enforcement
orders except compliance
schedules and reports
Manual
1(A)
E
Manual 2F - Permit
Narrative
DIS (SEV)
Discretionary or manual
entry of a permit narrative
violation
Manual
11(F)
F
Manual 2G -
Violation of Concern
DIS (SEV)
Discretionary or manual
entry of a permit violation
of concern to the Director
or Regional Administrator
Manual
11(G)
G
Manual 2A1 -
Effluent Violation*
DIS (SEV)
Discretionary or manual
entry of Category II
permit limit violation
Manual
II (A) (1)
H
Chronic Violation,
Non-Monthly
Average
EFF CHR
Chronic violation of four
or more violations of the
non-monthly average
occurring within a
consecutive six month time
frame
Automatic
II (A) (1)
I
Manual 2A2 -
Unauthorized
Bypass*
DIS (SEV)
Discretionary or manual
entry of violations or an
unauthorized by-pass
Manual
II (A) (2)
J
Manual 2A3 -
Unpermitted
Discharge*
DIS (SEV)
Discretionary or manual
entry of violations of an
unpermitted discharge
Manual
II (A) (3)
K
Non-receipt
Violation, Non-
RPT
Reporting violation was 30
days overdue for the non-
Automatic
II (A) (1)
26

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Code
Description
Detection
Type
Definition
Setting
Type
QNCR
Category

Monthly Average

monthly average or the
DMR was incomplete
where the non-monthly
average was missing


N
Non-Receipt of
DMR/Schedule
Report
RPT
Reporting violation was 30
days overdue for the
monthly average or the
DMR was incomplete
where the monthly average
was missing
Automatic
I	(D) for
DMR
nonreporting
& Cat. I
nonreporting
for
compliance
schedules; or
II	(D) for Cat
II
nonreporting
for
compliance
schedules; or
II (E) for
incomplete
DMRs





P
Enforcement Order,
Non-Monthly
Average
ENF
Measurement exceeded
administrative non-
monthly average limit set
by a formal enforcement
action
Automatic
II (A) (1)
Q
Manual 2B -
Pretreatment
DIS (SEV)
Discretionary or manual
entry of permit
pretreatment
Manual
11(B)
R
TRC Limitations
Exceeded, Non-
Monthly Average
EFF TRC
TRC limitations were
exceeded for two
violations of non-monthly
averages within a
consecutive six month time
frame or chronic violations
Automatic
II (A) (1)
S
Schedule Violation
SCH
Compliance schedule
violations were 90 days
overdue
Automatic
I (B) for Cat.
I, or II (C)
for Cat. II
T
TRC Limitations
Exceeded
EFF TRC
TRC limitations were
exceeded for two
violations of monthly
averages within a
consecutive six month time
frame or chronic violations
Automatic
1(C)
U
Other Violation with
TRC Non-Monthly
Average
EFF
Effluent violations of the
non-monthly average
occurring within a
consecutive six month time
frame associated with TRC
RNC
Automatic
II (A) (1)
V
Other Violation with
TRC
EFF
Effluent violations of the
monthly average occurring
within a consecutive six
Automatic
1(C)
27

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Code
Description
Detection
Type
Definition
Setting
Type
QNCR
Category



month time frame
associated with TRC RNC


W
Manual 2E -
Deficient Report
DIS (SEV)
Discretionary or manual
entry of deficient report
violations
Manual
11(E)
X
Manual Other
Violation with TRC
EFF
Discretionary or manual
entry of effluent violations
occurring within a six
month time frame
associated with TRC RNC
Manual
1(C)
Y
Manual TRC
EFF TRC
Discretionary or manual
entry of TRC limitations
that were exceeded for two
violations of monthly
averages within a six-
month time frame or
chronic violations
exceeding TRC limitations
Manual
1(C)
Z
Manual Chronic
EFF CHR
Discretionary or manual
entry of four or more
violations occurring within
a six-month time frame
Manual
1(C)
* Regions that are reporting wet weather SNC under the Interim Wet Weather SNC
Policy must use one of these four bold codes to indicate SNC, even if there is another
code that more closely matches the violation.
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Attachment 3 - Available RNC Resolution codes
Code
Description
Category Code
Setting Type
1
Unresolved RNC
NC
Automatic
2
Back into Compliance
RE
Automatic
3
Due to Formal Enforcement Action Final
Order with Compliance Schedule
RP
Automatic
4
In Compliance with Formal Enforcement
Action Final Order Requirement
RP
Automatic
5
Resolved RP by NPDES Closure of
Enforcement Action Final Order with
Compliance Schedule
RE
Automatic
6
Manual Resolution by Enforcement Action
RE
Manual
7
Manual RP - In Compliance with Formal
Enforcement Action Order Requirement
RP
Manual
8
Manual Due to Formal Enforcement Action
Formal Order
RP
Manual
9
Manual by Back into Compliance
RE
Manual
A
Manual Unresolved RNC
NC
Manual
B
Manual by EPA/State Action [RE - Manual
by EPA/State/Tribal Action]
RE
Manual
Attachment 4 - Available RNC Status codes
Those listed in bold below are the only ones that apply to single event violations.
Code
Description
Category Code
RNC/SNC Flag
C
Compliant (Manual Only)
CO
R
D
SNC DMR Non-Receipt Violation
NC
S
E
SNC Effluent Violation Monthly
Average
NC
S
N
RNC Violations Only
NC
R
P
Resolved Pending
RP
R
Q
Resolved Pending - Compliance
Schedule (Manual only)
RP
R
R
Resolved
RE
R
S
SNC Schedule Violation [Schedule
Event Violation]
NC
S
T
SNC Schedule Report Violation
NC
S
X
SNC Effluent Violation Non-
Monthly Average
NC
s
29

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