• Western WA Municipal Stormwater Preliminary Drafts

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    The Washington Department of Ecology (Ecology) has developed preliminary draft permit sections for the Phase I and Western Washington Phase II Municipal Stormwater Permits. Preliminary draft sections of the Stormwater Management Manual for Western WA (SWMMWW) are also available.

    Preliminary draft sections are available here:
    An informational meeting on the preliminary draft sections will be held on October 12, 2017. Details on meeting, and the permit reissuance process can be found at the link above.
    Ecology is accepting comments on these preliminary draft sections until 11:59 January 19, 2018. This is an informal comment period, Ecology will not respond to the comments received, but will take them into consideration in developing the formal drafts of the Permits. The formal drafts are anticipated to be available for comment in summer of 2018.
    Preliminary draft sections available for comment include:
    Municipal Stormwater Permits SWMMWW (in web format)
    Phase I
    • S5.C.6 Structural Stormwater Control
    Phase I & Phase II
    • S5.C.10/S5.C.1 Education and Outreach
    • S5.C.8/S5.C.3 IDDE tracking and reporting
    • S5.C.2/S5.C.3 Mapping
    • S5.C.4/S5.C.5 Controlling Runoff – site and subdivision scale
    • S8. Monitoring
    Phase II
    • S5.C.X Source Control
    • Full table of contents
    • All of Volume II
    • Select source control BMPs from Volume IV
    Questions? Contact Abbey Stockwell at 360-407-7221 or abbey.stockwell@ecy.wa.gov
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