Clean Water Act discharge permit · NPDES WA0022772

SALMON CREEK WWTP, Burien, WA: NPDES WA0022772 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MajorDischarger class
0Pollutants under a numeric limit
1Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

SALMON CREEK WWTP, held by Southwest Suburban Sewer District, holds NPDES permit WA0022772. EPA’s file records it issued June 1, 2018 and expiring June 30, 2023.

SALMON CREEK WWTP, Burien, Washington: Individual permit WA0022772, held by Southwest Suburban Sewer District; Publicly owned treatment works; Effective; issued June 1, 2018, term to June 30, 2023, by State.

pH, minimum: 0 limits, 1 violation of any kind, 1 effluent exceedance, latest January 31, 2009.
BOD, 5-day, 20 deg. C: 0 limits, 267 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 0 limits, 267 violations of any kind, 0 effluent exceedances.
Flow: 0 limits, 146 violations of any kind, 0 effluent exceedances.
pH: 0 limits, 67 violations of any kind, 0 effluent exceedances.
Chlorine, total residual: 0 limits, 67 violations of any kind, 0 effluent exceedances.
Coliform, fecal general: 0 limits, 67 violations of any kind, 0 effluent exceedances.
Temperature, water deg. centigrade: 0 limits, 54 violations of any kind, 0 effluent exceedances.
Rainfall: 0 limits, 40 violations of any kind, 0 effluent exceedances.
Duration: 0 limits, 40 violations of any kind, 0 effluent exceedances.
Volume, total: 0 limits, 40 violations of any kind, 0 effluent exceedances.
Nitrogen, Kjeldahl, total [as N]: 0 limits, 3 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 0 limits, 3 violations of any kind, 0 effluent exceedances.
Phosphorus, dissolved reactive [drp as P]: 0 limits, 3 violations of any kind, 0 effluent exceedances.
Nitrogen, ammonia total [as N]: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Nitrite + Nitrate total [as N]: 0 limits, 2 violations of any kind, 0 effluent exceedances.
BOD, percent removal [total]: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Solids, suspended percent removal: 0 limits, 2 violations of any kind, 0 effluent exceedances.

Washington holds 238 Publicly owned treatment works coverages of this permit type in EPA’s file; 186 were issued before WA0022772. Southwest Suburban Sewer District holds 2 permits in Washington.

Other permits held by Southwest Suburban Sewer District

MILLER CREEK WWTP, Normandy Park: WA0022764, issued October 1, 2018

Coverages issued nearest WA0022772

March 12, 2018: SULTAN WWTP, Sultan, WA0023302, held by City of Sultan
April 27, 2018: OAK HARBOR STP, Oak Harbor, WA0020567, held by OAK HARBOR CITY
April 27, 2018: CONCRETE STP, Concrete, WA0020851, held by Town of Concrete
May 15, 2018: METALINE FALLS STP, Metaline Falls, WA0991009, held by Town of Metaline Falls
May 21, 2018: SNOHOMISH STP, Snohomish, WA0029548, held by City of Snohomish
June 5, 2018: SELKIRK SCHOOL DIST 70, Ione, WA0044938, held by Selkirk School District
June 8, 2018: SEATTLE CITY LIGHT NEWHALEM WWTP, Newhalem, WA0029670, held by Seattle City Light
June 11, 2018: ABERDEEN STP, Aberdeen, WA0037192, held by City of Aberdeen
June 12, 2018: PE ELL STP, Pe Ell, WA0020192, held by The Town of Pe Ell
July 10, 2018: MABTON POTW, Mabton, WA0020648, held by City of Mabton

SALMON CREEK WWTP among its neighbors

Its county holds 1,319, 8 of them major permits; WA0022772 is a major permit.

Other permits in the county

10400 NE 52ND STREET, Kirkland: WAR127048, minor permit, permit term to December 31, 2015
11040 MAIN STREET, Bellevue: WAR315164, minor permit, permit term to December 31, 2025
11207 248TH AVE NE, Redmond: WAR315553, minor permit, permit term to December 31, 2030
120TH AVE NE STAGE 2, Bellevue: WAR302269, minor permit, permit term to December 31, 2015
120TH AVE NE STAGE 2 - A, Bellevue: WAR302686, minor permit, permit term to December 31, 2015
16310 NE 80TH ST, Redmond: WAR315006, minor permit, permit term to December 31, 2025
16TH SAMMAMISH, Redmond: WAR301975, minor permit, permit term to December 31, 2015
1740 NW MARKET ST, Seattle: WAR315491, minor permit, permit term to December 31, 2030
191ST STREET TOWNHOMES, Bothell: WAR315471, minor permit, permit term to December 31, 2030
201 DEVELOPMENT WEST SHORT PLAT, Redmond: WAR302479, minor permit, permit term to December 31, 2015

Identity

Facility as filed	SALMON CREEK WWTP
Permittee as filed	Southwest Suburban Sewer District
NPDES ID	WA0022772
Permit status	Effective
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	June 1, 2018
Expiration date	June 30, 2023
Issuing agency	State
Address	Burien, WA 98146
Program components on file	POTW, Pretreatment
SIC	4952 – Sewerage Systems
Other EPA IDs (FRS)	RCRA handler WAD069567485

Effluent limits and exceedances

18Pollutants on file
0Under a numeric limit
18With a violation of any kind
1With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Violations, any kind	Effluent exceedances	Latest exceedance
pH, minimum	1	1	January 31, 2009
BOD, 5-day, 20 deg. C	267	0
Solids, total suspended	267	0
Flow	146	0
pH	67	0
Chlorine, total residual	67	0
Coliform, fecal general	67	0
Temperature, water deg. centigrade	54	0
Rainfall	40	0
Duration	40	0
Volume, total	40	0
Nitrogen, Kjeldahl, total [as N]	3	0
Phosphorus, total [as P]	3	0
Phosphorus, dissolved reactive [drp as P]	3	0
Nitrogen, ammonia total [as N]	2	0
Nitrite + Nitrate total [as N]	2	0
BOD, percent removal [total]	2	0
Solids, suspended percent removal	2	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES WA0022772.

Inspections

EPA’s inspection file holds no inspection for NPDES WA0022772.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES WA0022772.

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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers the Clean Water Act discharge permit NPDES WA0022772 for SALMON CREEK WWTP in Burien, WA, held by Southwest Suburban Sewer District, with an effective status and a Major Discharger class. The page lists 0 pollutants under a numeric limit and 1 pollutant with an effluent exceedance, out of 18 pollutants on file.