Clean Water Act discharge permit · NPDES WA0029521

STEVENS PASS POTW, Leavenworth, WA: NPDES WA0029521 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
2Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

STEVENS PASS POTW, held by Stevens Pass Sewer District, holds NPDES permit WA0029521. EPA’s file records it issued July 14, 2008 and expiring August 31, 2013.

STEVENS PASS POTW, Leavenworth, Washington: Individual permit WA0029521, held by Stevens Pass Sewer District; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued July 14, 2008, term to August 31, 2013, by State.

Color [PT-CO units]: 0 limits, 20 violations of any kind, 19 effluent exceedances, latest August 31, 2012.
pH, minimum: 0 limits, 1 violation of any kind, 1 effluent exceedance, latest January 31, 2010.
BOD, percent removal [total]: 0 limits, 113 violations of any kind, 0 effluent exceedances.
Nitrite + Nitrate total [as N]: 0 limits, 64 violations of any kind, 0 effluent exceedances.
Chlorine, total residual: 0 limits, 6 violations of any kind, 0 effluent exceedances.
Nitrogen, ammonia total [as N]: 0 limits, 4 violations of any kind, 0 effluent exceedances.
BOD, carbonaceous [5 day, 20 C]: 0 limits, 4 violations of any kind, 0 effluent exceedances.
pH: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Coliform, fecal general: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Flow: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Chemical oxygen demand [COD]: 0 limits, 2 violations of any kind, 0 effluent exceedances.
Temperature, water deg. centigrade: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Turbidity: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Oil and grease, hexane extr method: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Nitrogen, Kjeldahl, total [as N]: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Solids, total dissolved: 0 limits, 1 violation of any kind, 0 effluent exceedances.
Solids, suspended percent removal: 0 limits, 1 violation of any kind, 0 effluent exceedances.

Washington holds 238 Publicly owned treatment works coverages of this permit type in EPA’s file; 14 were issued before WA0029521.

Coverages issued nearest WA0029521

February 21, 2008: TIETON POTW, Cowiche, WA0052396, held by Cowiche Sewer District
March 14, 2008: SHELTON STP, Shelton, WA0023345, held by City of Shelton
May 1, 2008: CHAMBERS CREEK STP, University Place, WA0039624, held by Pierce County Public Works
May 23, 2008: IONE STP, Ione, WA0045373, held by Town Of Ione
June 30, 2008: SEATTLE CITY LIGHT NEWHALEM MRWF & OFFIC, Newhalem, WA0029858, held by SEATTLE CITY LIGHT DIABLO WWTP
July 21, 2008: COULEE DAM, TOWN OF - COULEE DAM WWTP, Coulee Dam, WA0020281, held by COULEE DAM, TOWN OF
August 1, 2008: GOLDENDALE POTW, Goldendale, WA0021121, held by City of Goldendale
October 6, 2008: STEVENSON STP, Stevenson, WA0020672, held by City of Stevenson
October 6, 2008: PORT OF KALAMA, Kalama, WA0040843, held by Port of Kalama
March 13, 2009: LARCH CORRECTION CENTER, Yacolt, WA0038687, held by Department of Corrections

STEVENS PASS POTW among its neighbors

EPA’s permit file holds 1 discharge permits in the Upper Nason Creek subwatershed (HUC 170200110201), WA0029521 among them.

Identity

Facility as filed	STEVENS PASS POTW
Permittee as filed	Stevens Pass Sewer District
NPDES ID	WA0029521
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	July 14, 2008
Expiration date	August 31, 2013
Issuing agency	State
Address	Leavenworth, WA 98826
Subwatershed	Upper Nason Creek (HUC 170200110201)
Program components on file	POTW, Pretreatment
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

19Pollutants on file
0Under a numeric limit
19With a violation of any kind
2With 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
Color [PT-CO units]	20	19	August 31, 2012
pH, minimum	1	1	January 31, 2010
BOD, percent removal [total]	113	0
Nitrite + Nitrate total [as N]	64	0
Chlorine, total residual	6	0
Nitrogen, ammonia total [as N]	4	0
BOD, carbonaceous [5 day, 20 C]	4	0
pH	2	0
Solids, total suspended	2	0
Coliform, fecal general	2	0
Flow	2	0
Chemical oxygen demand [COD]	2	0
Temperature, water deg. centigrade	1	0
Turbidity	1	0
Oil and grease, hexane extr method	1	0
Nitrogen, Kjeldahl, total [as N]	1	0
Phosphorus, total [as P]	1	0
Solids, total dissolved	1	0
Solids, suspended percent removal	1	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES WA0029521.

Inspections

EPA’s inspection file holds no inspection for NPDES WA0029521.

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 WA0029521.

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

This public-records page covers Clean Water Act NPDES permit WA0029521 for the STEVENS PASS POTW in Leavenworth, WA, held by Stevens Pass Sewer District, with the permit listed as administratively continued and a Minor discharger class of 0. The figures listed are 2 pollutants under a numeric limit and 2 pollutants with an effluent exceedance, with the record showing 19 pollutants among its effluent limits and exceedances.