Storm Water Construction General Permit Requirements

This Web Page provides links to relevant National Pollutant Discharge Elimination System (NPDES) storm water construction permit information for Idaho, Alaska, Indian Country and most federal facilities in the Pacific Northwest. Washington Department of Ecology and Oregon Department of Environmental Quality are the NPDES permitting authorities in their jurisdictions.

Stormwater Discharges from Construction Activities

- National Information

How to Apply for a permit

Read the Construction General Permit (CGP) (PDF) (77pp, 771K).
Develop a StormWater Pollution Prevention Plan (SWPPP) for your construction site.
Complete an endangered species determination for the project site (details are noted in the CGP).
File a Notice Of Intent (NOI), which can be done electronically using this tool: Electronic Notice of Intent (eNOI)
Implement the Best Management Practices (BMPs) outlined in the SWPPP.

Forms

Notice of Intent for Discharges Associated with Construction Activity (PDF)

(4 pp, 595K)
EPA has developed its first fully electronic, entirely paperless, permit application for the construction site operators seeking coverage under EPA’s Stormwater Construction General Permit. See

EPA's information on applying for the CGP

for details.

Notice of Termination of Coverage under an NPDES General Permit for Storm Water Associated with Construction Activity

Modify an existing Construction NOI

Guidance

Inspector's Checklist (PDF) (10 pp. 99K) - This form is often used by the EPA when conducting construction site inspections. This checklist is a useful tool but not comprehensive; it should not be used as a stand-in for the actual permit requirements.
Stormwater Pollution Prevention Plans for Construction Activities - EPA National
Poster: Storm Water and the Construction Industry

Construction Industry Compliance Assistance Center - This EPA sponsored website is tailored to the environmental compliance assistance needs of contractors, builders/developers and includes relevant material and links to state and local permitting authorities.
Best Management Practices (BMP) Manuals & Resources -Region 10

You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.

State of Washington

WA Department of Ecology Storm Water Website
WA Construction Stormwater General Permit for the projects within Washington state.
Ecology's Construction Storm Water Pollution Prevention: Volume II of the Storm Water Management Manual for Western Washington
Ecology's Storm Water Management Manual for Eastern Washington

State of Oregon

State of Idaho

Construction projects in Idaho must apply for coverage under EPA's Construction General Permit.

Idaho Department of Environmental Quality
IDEQ's Catalog of Stormwater Best Management Practices
Construction Projects in Idaho Need Erosion and Sediment Controls (PDF, 445 KB)
Note: To print this brochure, change printer selections to 11"x17" paper size and landscape format from your "print" screen.

State of Alaska
Construction projects in Alaska must apply for coverage under EPA's Construction General Permit.

Construction Sites in Alaska Need Erosion and Sediment Controls (PDF, 445 KB)
Note: To print this brochure, change printer selections to 11"x17" paper size and landscape format from your "print" screen.

Alaska Department of Environmental Quality
Alaska-Specific Permit Requirements (PDF, 2pp. 23KB) Summary of Storm Water Pollution Prevention Plan review requirements for projects in Alaska.

Other Resources

Storm Water Design to Protect Watersheds (courtesy of the Center for Watershed Protection)
Training & Conferences in the Pacific Northwest
The Center for Watershed Protection
Professional Organizations in Erosion & Sediment Control and Storm Water Management:
CPESC, Inc. Certified Professional in Erosion and Sediment Control
Environmental & Water Resources Institute American Society of Civil Engineers
International Erosion Control Association
Pacific Northwest Chapter of the International Erosion Control Association
Soil and Water Conservation Society

Presentations
Construction Site Best Management Practices (PowerPoint presentation)

Storm Water Construction General Permit Requirements

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