Because every industrial site is unique,
every SWPPP is unique. The SWPPP
needs to be reviewed and updated by the
operator on a regular basis. Please visit
www.epa.gov/npdes/stormwater/msgp
for more information on how to develop
your SWPPP.
Basic SWPPP Elements
Stormwater pollution prevention team
Site description
Summary of potential pollutant sources
Description of control measures
Schedules and procedures
Documentation to support eligibility
considerations under other federal laws
Certification of the SWPPP
3. Complete documentation for
eligibility under other Federal laws.
The operator must assess the potential
effects of stormwater runoff on federally
listed endangered and threatened species
and any designated critical habitat located
on or near the site, as well as impacts
on historic properties on or near the
facility. In making these determinations,
the operator needs to consider areas
beyond the immediate footprint of the
facility site as well as beyond the property
line—areas that could be affected directly
or indirectly by stormwater discharges.
The MSGP contains more information
about completing these determinations in
applying for permit coverage.
4. File a Notice of Intent (NOI)
application.
The Notice of Intent (NOI) form lets
EPA know that you are filing for permit
coverage. It also attests that you have
read, understood, and are complying with
the requirements of the MSGP. The fastest
and easiest way to file an NOI is through
EPA's online permit application system
(www.epa.gov/npdes/enoi). (Mailing a
paper NOI to EPA can add 2 or more
weeks to your processing time.) Your
permit coverage begins after a 30-day
waiting period, during which NOIs are
reviewed by EPA and others.
5. Implement all stormwater control
measures outlined in your SWPPP.
Your SWPPP must be updated as
conditions at the industrial facility and as
practices change.
Questions?
To find out more about the stormwater
permit program, please contact in the
EPA Region 10 Seattle office:
Julie Congdon
Stormwater Compliance Assistance
Coordinator
Office of Compliance & Enforcement,
NPDES Unit
1.800.424.4372, x. 2752
congdon.julie@epa.gov
Michael Le
Industrial Stormwater Permits
Office of Water & Watersheds, NPDES
Permits Unit
1.800.424.4372, x. 1099
le.michael@epa.gov
c/EFft
EPA910-K-09-008
Notice: The statements in this document are
intended solely as guidance to aid regulated
entities in complying with the Clean Water Act's
stormwater requirements. The guidance is not a
substitute for reading the Clean Water Act and
its implementing regulations and understanding
all its requirements as they apply to your facility.
This guidance does not constitute rulemaking
by the EPA and may not be relied on to create
a substantive or procedural right or benefit
enforceable, at law or in equity, by any person.
EPA may decide to update this guide without
public notice to reflect changes in EPA's
approach to implementing the Clean Water Act.
This document reflects information available
in EPA's NPDES Multi-Sector General Permit
for Stormwater Discharges Associated with
Industrial Activity.
United States
Environmental Protection
Agency
Does Your
Facility Need
a Stormwater
Permit?
An Industrial Facility
Operator's Guide to EPA's
Stormwater Permit Program
Storm drain adjacent to access road to plant; drain is not protected and not being serviced.
Waste materials are left exposed to the
elements and stormwater runoff. Lack of
secondary containment for the tank.
Office of Compliance and Enforcement
US EPA Region 10
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Many Industrial Facilities (with few exceptions) Need Storm water Permit Coverage!
Why is stormwater runoff a
problem?
Runoff from rainstorms and snowmelt picks
up pollutants like sediment, oil and grease,
nitrogen, phosphorus, and other chemicals
and carries them into storm drains or
directly into waterbodies. Because most
storm drain systems do not provide
any treatment to the water they collect,
preventing contamination of stormwater
is critically important. Otherwise, polluted
runoff will be discharged untreated into the
waterbodies we use for swimming, fishing,
and drinking water.
This brochure describes who must
comply with the EPA's stormwater permit
requirements for:
• Idaho
• Federal facilities in Washington
• Indian Country within Alaska, Idaho,
Oregon and Washington.*
If your facility is not in one of the areas
noted, you will need to obtain permit
coverage from the appropriate state
authority. A list of state permitting authorities
can be found afwww.epa.gov/npdes/
stormwater.
Unauthorized non-stormwater discharge from
an industrial facility.
Photo courtesy of TetraTech.
Two photos showing an industrial facility before and after it followed good housekeeping practices.
Photos courtes
hotos courtesy of TetraTech.
What is the Multi-Sector General
Permit, or MSGP?
EPA's National Pollutant Discharge
Elimination System (NPDES) program
regulates stormwater runoff from industrial
facilities. The Multi-Sector General Permit
(MSGP) covers industrial facilities in 29
different industrial sectors.
If your facility...
• is located in Idaho, Indian Country or is
a Federal facility in Washington,
• has "primary" or "co-located" industrial
activities covered by the MSGP,
• has stormwater runoff that discharges to
a surface water or to a storm sewer that
flows to a surface water,
you need permit coverage under the Multi-
Sector General Permit.
What industries are covered by the
MSGP?
Permit eligibility is limited to discharges
from facilities in the "sectors" of industrial
activity listed. The sector descriptions are
based on Standard Industrial Classification
(SIC) Codes and Industrial Activity Codes.
For a more detailed list, please see
Appendix D of the MSGP. The industrial
sectors listed in the table must minimize
pollutants in their stormwater discharges
and obtain permit coverage under the
MSGP.
Industries Covered by the MSGP
and SIC Codes
SIC Code
24xx
26xx
28xx, 3952
29xx
32xx
33xx
10xx
12xx
13xx
14xx
HZ
LF
5015
5093
SE
40xx, 41 xx,
42xx, 4311,5171
44xx
37xx
45xx
TW
20xx, 21 xx
22xx, 23xx, 31 xx
2434, 25xx
27xx
30xx, 39xx
3111
34xx, 39xx
35xx, 37xx
357x, 38xx, 36xx
Industrial Activity Sector
A:
B:
C:
D:
E:
F:
G:
H:
I:
J:
K:
L:
M:
N:
O:
P:
Q:
R:
S:
T:
U:
V:
W:
X:
Y:
Z:
AA:
AB:
AC:
Timber Products
Paper Products
Chemical Products
Asphalt/Roofing
Glass, Clay, Cement
Primary Metals
Metal Mining
Coal Mines
Oil and Gas
Mineral Mining
Hazardous Waste
Landfills
Auto Salvage Yards
Scrap Recycling
Steam Electric Facilities
Land Transportation
Water Transportation
Ship/Boat Building,
Repair
Air Transportation
Treatment Works
(WWTPs)
Food Products
Textile Mills
Furniture and Fixtures
Printing, Publishing
Rubber, Misc. Plastics
Leather Tanning/
Finishing
Fabricated Metal
Products
Transportation Equip.
Electronic, photo goods
I need permit coverage.
Where do / begin ?
1. Read EPA's Multi-Sector General
Permit.
You can download a copy of EPA's permit
at www.epa.gov/npdes/stormwater/
msgp. Read the permit carefully, and
remember that operators are legally
responsible for complying with all of its
requirements.
Who is responsible for coverage
and who submits an NOI?
The "operator" submits a Notice of Intent
(NOI) application. The operator is the entity
(generally the company, corporation, etc.)
that has operational control over the industrial
activities, or has day-to-day operational
control of activities at the facility necessary
to implement the Stormwater Pollution
Prevention Plan (SWPPP—see below/
next page for more information) and ensure
compliance with the permit (e.g., the entity
is authorized to direct workers at a facility to
carry out activities required by the permit).
It is the responsibility of the operator(s)
to develop and implement a SWPPP and
maintain all "best management practices" or
stormwater control measures at the facility.
These include swales, detention ponds, spill
protection equipment, schedules of activities,
prohibitions of practices, and maintenance
procedures that you use to prevent or reduce
the discharge of pollutants.
2. Develop a site-specific stormwater
pollution prevention plan (SWPPP).
The SWPPP explains how you will control
pollutants in stormwater runoff from
your facility. It is a written document that
identifies the sources of pollution and
industrial activities conducted at the site,
including stormwater control practices
which the operator will use to prevent
pollutants from making their way into
stormwater runoff. The SWPPP must be
completed before you apply for permit
coverage. EPA does not require that you
submit the SWPPP with your application
to obtain permit coverage, but the plan
must be available to EPA by request or for
review during inspection.
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