Storm Water Construction General Permit Requirements in Region 10 | Region 10 | US EPA

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Storm Water Construction General Permit Requirements in Region 10

Contact Us

For questions about the Construction General Permit in Region 10, contact:

Stacey Kim (kim.stacey@epa.gov)
206-553-1380

Margaret McCauley (mccauley.margaret@epa.gov)
206-553-1772


On this page:


Overview

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

    Do I need a Construction General Permit? Flow Chart (PDF) (2 pp, 37K)

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Chemical Treatment for Reduction Turbidity

If you plan to use cationic chemicals, you will need to get prior authorization from EPA's Regional Office. The following documents will help you compile the information that EPA needs to review your cationic chemical application.

How to Apply for a permit

  1. Read EPA's 2017 Construction General Permit (CGP)
  2. Develop a StormWater Pollution Prevention Plan (SWPPP) for your construction site.
  3. Complete an endangered species determination for the project site (details are noted in the CGP).
  4. Get authorization from EPA if you plan to use chemical treatment (most projects do not) - See box on right
  5. File a Notice Of Intent (NOI): NPDES eReporting Tool (sign-in required)
  6. Implement the Best Management Practices (BMPs) outlined in the SWPPP.

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Forms

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Guidance

Washington

    Projects operated by federal agencies in the State of Washington must apply for coverage under EPA’s Construction General Permit (see Electronic forms for the 2017 EPA CGP). Projects operated by state or private entities must apply for coverage under Washington’s Construction Permit, even for projects on federal lands.

    The following links exit EPA's website Exit EPA disclaimer
Oregon

    Note: The EPA CGP only applies to projects on tribal lands within Oregon. All other projects are within the State of Oregon’s permit program.
Idaho

    Construction projects in Idaho must apply for coverage under EPA’s Construction General Permit (see Electronic forms for the 2017 EPA CGP).

    Idaho has added state-specific provisions to the permit. Please be sure to read section 9.7.1 of the permit.
Alaska

    The following links exit EPA's website Exit EPA disclaimer

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Other Resources

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URL: https://yosemite.epa.gov/R10/WATER.NSF/NPDES+Permits/Region+10+CGP+resources

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