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Erosivity Waiver Certification

Form number Date Published Date Revised
ECY 070-202 December 2005 February 2018
VIEW NOW Erosivity Waiver Certification (Number of pages: 5) (Publication Size: 291KB)

Microsoft Word format (Publication Size: 289KB)

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Description This form is used by construction site operators to request an exemption from the Cconstruction Stormwater General Permit based on low erosivity during the period of construction activity.

You can find staff contact information at

REQUEST A COPY The mission of the Department of Ecology is to protect, preserve, and enhance Washington’s environment. To help us meet that goal, please consider the environment before you print or request a copy.

ADA Accessibility
The Department of Ecology is committed to providing people with disabilities access to information and services by meeting or exceeding the requirements of the Americans with Disabilities Act (ADA), Section 504 and 508 of the Rehabilitation Act, and Washington State Policy #188.
Visit Ecology’s website for more information
Contact Noel Tamboer at 360-407-6467 or
Keywords certificate, erosivity waiver, stormwater form, Water Quality form, General Permit, Official Ecology Form, construction stormwater general permit
WEB PAGE Construction Stormwater General Permit