Construction General Permit (CGP)
1	Electronic Notice of Intent (eNOI)

Creating and Submitting an eNOI

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Log into CDX



Search, Edit, Terminate
records on the CGP

T

Create New NOI
and Interview
Questions

I

Operator
Information

Project Information

Chemical Treatment
Information

I

Endangered Species
Act

SWPPP Information

Discharge
Information

I

Receiving Waters and
Wetlands

Hisotric Preservation

Certification Information

What do I Need?

You should have the following things ready before completing your CGP:

¦	CDX account;

¦	SWPPP documentation and information supporting your eligibility with regard to the
protection of threatened and endangered species and historic properties as specified
in Appendix D and E of the 2012 CGP (see http://www.epa.gov/npdes/pubs/cgp2012_
appendixd.pdf and http://www.epa.gov/npdes/pubs/cgp2012_appendixe.pdf)

¦	Longitude and Latitude information.

Information about where coverage is available under the 2012 CGP can be found in Appendix B of
the CGP at http://www.epa.gov/npdes/pubs/cgp2012_appendixb.pdf. Coverage under the 2012 CGP
is in the following areas:

¦	ID, MA, NH, NM, DC, AS, GU, Johnston Atoll, Midway and Wake Islands, Northern
Mariana Islands, PR; Areas within Colorado, Delaware, Vermont, Washington subject to
construction by Federal Operators; Limited areas of OK and TX.

¦	Indian Country lands within AK, AZ, CA, CO, CT, ID, IA, KS, LA, MA, Ml, MN, MT, NE, NV,
NM, NY, ND, OK, OR, Rl, SD, TX, UT, VT, WA, Wl, WY

Key Terms

For construction-related key terms and definitions, see Appendix A of EPA's 2012 Construction
General Permit (CGP) found here:http://www.epa.gov/npdes/pubs/cgp20i2_appendixa.pdf.

MUNICIPAL SEPARATE STORM SEWER SYSTEM (MS4):

A conveyance or system of conveyances (including roads with drainage systems, municipal streets,
catch basins, curbs, gutters, ditches, man-made channels, or storm drains)

ENDANGERED SPECIES ACT (ESA):

An act that provides for the conservation and protection of ecosystems and the threatened and
endangered species which are parts of the ecosystems.

STORMWATER POLLUTION PREVENTION PLAN (SWPPP):

A site-specific, written document that: identifies potential sources of stormwater pollution,
describes stormwater control measures to reduce or eliminate pollutants in stormwater discharges
from the site; and identifies procedures the operator will implement to comply with the terms and
conditions of the permit.

Frequently Asked Questions

Who needs to file an Ol under an EPA Construction General Permit?

See EPA's Applying for Coverage page found here: http://cfpub.epa.gov/npdes/stormwater/
application_coverage.cfm.

How long is the waiting period?

You will be considered covered under the CGP 14 calendar days after EPA has acknowledged
receipt of your NOI, unless EPA notifies you that your authorization has been delayed or denied.
Please refer to the following page for deadlines for submitting your NOI and your date of permit
coverage: http://cfpub.epa.gov/npdes/stormwater/cgp.cfm

Review

Certifying Email

Add Certification
Key and Certify

What is a certification key

A certification key acts as a verification measure to ensure that the user assigned to certify the NOI
is doing so through the CDX account that has been registered to his/her email address. See the
next page regarding receiving the certification key email and how to certify the CGP NOI using the
certification key.

Contact Information

Contact EPA's NOI Processing Center if you would like assistance:

By Telephone: Live telephone support is available from 8:00 am to 5:30 pm (EST) at 866-352-7755.
By Web-form: Fill out the online form at www.epa.gov/npdes/noicontact
By E-mail: Send an e-mail to NOI Center staff at noi@avanticorporation.com


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Construction General Permit (CGP)
Electronic Notice of Intent (eNOI)
What to Expect When Creating a Permit

Logging into EPA's Central Data Exchange (CDX) and Accessing the Homepage

Ensure you have previously registered for CDX. Log in to CDX with your CDX information. Enter "CGP" from MyCDX to certify, view,
modify, or terminate Construction General Permit NOIs.

Guidance for users with a CDX account here: http://www.epa.gov/npdes/pubs/sw_cgp_enoi_existingaccounts.pdf
Guidance for users without a CDX account here: http://www.epa.gov/npdes/pubs/sw_cgp_enoi_tutorial_newusers.pdf

CGP HOMEPAGE TO SEARCH, EDIT, TERMINATE RECORDS:

Once you reach the CGP eNOI homepage you may search through your existing CGP NOI records to locate a previously drafted, submitted,
active, or terminated CGP NOI. Click on the permit tracking number assigned to your NOI to perform the desired action.

Click Create New NOI in the left navigation panel to begin your CGP application process. Some answers will yield a response that EPA
is not the permitting authority for your construction site. Click to download Appendix B (http://www.epa.gov/npdes/pubs/cgp2012_
appendixb.pdf) of EPA's Final 2012 Construction General Permit for information relating to where EPA is the permitting authority.

OPERATOR INFORMATION AND PROJECT INFORMATION:

On the Operator Information page you will add the Project/site name, operator's name, mailing address, and point of contact. On the
Project Information page you will add the Project/Site Address, Latitude/Longitude Data Source, and other information.

CHEMICAL TREATMENT INFORMATION:

You will indicate whether you will use polymers, flocculants, or other treatment chemicals. You may need to answer additional questions
based on your answers provided in the chemical treatment information section.

ENDANGERED SPECIES INFORMATION:

Enter information supporting your eligibility with regard to the protection of threatened and endangered species, as specified in Appendix
D (http://www.epa.gov/npdes/pubs/cgp2012_appendixd.pdf).

STORMWATER PREVENTION PLAN (SWPPP) INFORMATION:

All sites eligible for CGP permit coverage are required to prepare a SWPPP in advance of filing the NOI. You will need to indicate the
location where the SWPPP can be viewed and the contact information for the person that developed the project's SWPPP.

DISCHARGE INFORMATION AND RECEIVING WATERS AND WETLANDS:

In this section, you must identify whether your site discharges to a municipal separate storm sewer system and the waterbodies your
Project/Site discharges to. You will also need to indicate whether or not the receiving waters are impaired, what pollutants are causing the
impairment and whether or not a Total Maximum Daily Load (TDML) has been established for the receiving water. You will also need to
indicate whether discharges from the site will enter into a surface water designated as a tier 2, tier 2.5, or tier 3 waterway.

HISTORIC PRESERVATION:

Use the instructions in Appendix E, found at the following link: http://www.epa.gov/npdes/pubs/cgp2012_appendixe.pdf, to complete the
qustions on the NOI form regarding historic preservation.

CERTIFIER INFORMATION:

Add the Certifier and Preparer information. The Certifier may be different then the preparer. However, the certifier MUST register their
own CDX account to the email address designated for them in the NOI in order for the certification process to work correctly. After
completing this section and choosing Next, you will be directed to the Review page.

PREPARER REVIEW:

Review the information on the Review page. You may edit, add, and delete information as necessary. After reviewing, Click "Submit to
Certifier" to send the NOI to the certifying official for review and certification. Download the NOI PDF for your personal records.

CERTIFYING E-MAIL:

After you Submit to Certifier on the Review Page, the certifier will receive an email with a certification key that is linked to the certifying
officials email address listed on the drafted CGP NOI. The certifier needs to login to their CDX account that is registered to the same email
address listed on the drafted CGP NOI application.

CERTIFICATIO N KEY AN D CERTI Fl ER REVIEW:

If you are the Certifier, after you receive the certification key, log into your CDX account. In the left hand navigation pane, click Add
Certification Key. Copy the certification key you received in the email and paste it in the certification key field, then click add. You should see
a confirmation message showing the NOIs that have been associated with your account. Click Home in the left navigation pane. Click on
the permit tracking number of the NOI that you wish to review and certify. Review the information listed on the NOI application, making
edits as necessary. Complete the certification process on the CGP NOI by clicking the "Submit to EPA" button. A confirmation screen will
be displayed indicating that you have submitted your NOI to EPA for review. Once certified, click Home and verify that the status for the
record shows "Certified". After certification, a 14-day review begins for the permit, after which the NOI is considered active.

Creating a New NOI

Certifcation and Review


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