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The Phase II permit for eastern Washington applies to all regulated small municipal separate storm sewer systems. It covers 20 cities and portions of 8 counties.
The EPA phase II regulations went into effect in early 2003 and apply to all regulated small municipal separate storm sewer systems. On January 17, 2007 Ecology issued two Phase II Municipal Stormwater Permits, one for western Washington and one for eastern Washington with an effective date of February 16, 2007. Ecology modified the permit on June 17, 2009 to implement the outcomes of appeals.
Eastern Washington Phase II Permit
Unless otherwise specified, documents are available in Adobe Acrobat (.PDF file) format. To view and/or print PDF files, you first will need to download and install Adobe Acrobat Reader from this link.
Permit
Modification Includes the draft permit modification and comment letters for Ecology’s process to modify the permits from March 18, 2009 to June 17, 2009.
Previous permit documents (2007 and 1995)
EWA Permit Timelines OverviewEcology posts annual reports for permittees that do not have a website.
2009 Notice
of Issuance: Eastern Washington Phase II Municipal Stormwater General Permit
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