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Ecology issued a new modified permit to the Washington State Department
of Transportation (WSDOT) on March 7, 2012
Permit (Issued March 7, 2012)
Appendix F: Response to Comments (March 7, 2012)Public comments received on the November 16, 2011 draft permit
Ecology issued a permit originally to WSDOT on February 4, 2009. A minor modification was made to this permit on May 1, 2009, to correct minor, non-substantive errors found after permit issuance. The permit covers discharges from its municipal separate storm sewer system (MS4). MS4s are conveyances or a system of conveyances including roads with drainage systems, streets, catch basins, ditches, man-made channels, and storm drains.
A second modification added substantive language to the permit as a result of a settlement agreement between the Departments of Ecology and Transportation and Puget Soundkeeper Alliance. Permit sections modified include: S6.C, S7. E.2.d., S8.E., Appendix 7, Stormwater Management Program Plan, Sections 3 and 3.1, 5.4, 6.2, and Appendix 3, Applicable TMDL Requirements.
The second permit modification required Ecology to modify or issue an administrative order establishing new TMDL-related permit requirements for WSDOT at least every eighteen months. The proposed draft modifications make substantive changes to the permit including adding new TMDL-related permit requirements in Appendix 3, making references to the 2011 updated Highway Runoff Manual (HRM) instead of 2008 HRM, and updating the Stormwater Management Program Plan (SMPP) in Appendix 7.
Ecology accepted written comments on the draft permit and fact sheet from November 16 until December 23, 2011. Ecology held a public workshop and hearing in Lacey, Washington on December 19, 2011.
Ecology released a Draft Modification of the Washington State Department of Transportation Municipal Stormwater Permit for Review and Comment on November 16, 2011.
Draft Permit
(November 16, 2011)
Draft
Permit - showing changes (November 16, 2011)
Statement of
Basis (November 16, 2011)
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