| NPDES Permit Description |
Permit no. and expiration date |
Download permit* |
 The West Point permit covers the operation of the West Point Treatment Plant in Seattle, the combined sewer overflow (CSO) system, the CSO treatment facilities including Alki, Carkeek, Elliott West, Henderson/Martin Luther King, and the portion of the conveyance system owned by King County. (See note below.)
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WA-002918-1
Dec. 31, 2008
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(Ecology Web site)
Permit
Fact Sheet
Fact Sheet Addendum
Appendix D-F
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 The South Plant permit covers the operation of the South Treatment Plant in Renton and the portion of the conveyance system owned by King County. (See note below.)
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WA-002958-1
Sept. 30, 2009 |
(Ecology Web site)
Permit
Fact Sheet
Appendices
|
 The Carnation Treatment Plant permit covers the operation of the Carnation Treatment Plant and the portion of the conveyance system owned by King County.
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WA-003218-2
April 15, 2013 |
(Ecology Web site)
Permit
Fact Sheet |
 The Vashon Treatment Plant permit covers the operation of the Vashon Treatment Plant and the portion of the conveyance system owned by King County.
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WA-002252-7
Aug. 31, 2011 |
(Ecology Web site)
Permit
Fact Sheet |
Note: Also covered under these permits is the Industrial Pretreatment Program administered by King County. That program is responsible for approving permits for discharges of industrial waste into the sewer system and the management and enforcement of such permits. |
* Requires Adobe Acrobat Reader to view document. If link doesn't work, refer to Ecology's list of permits by NorthWest region at: http://www.ecy.wa.gov/programs/wq/permits/northwest_permits.html |
For questions about the Wastewater Treatment Division Web site, please send an