Velarion Records
Free: one email when NPDES WA0020281 changes. Unsubscribe any time.

NPDES WA0020281 · Clean Water Act

COULEE DAM, TOWN OF - COULEE DAM WWTP, Coulee Dam, WA: NPDES WA0020281 discharge permit, effluent exceedances, inspections, penalties

COULEE DAM, TOWN OF - COULEE DAM WWTP, Coulee Dam, Washington: Individual permit WA0020281, held by COULEE DAM, TOWN OF; Publicly owned treatment works; Administratively continued; issued July 21, 2008, term to August 30, 2013; discharges to COLUMBIA RIVER; Sewage Treatment Facilities.

  • pH: 2 limits, 147 violations of any kind, 45 effluent exceedances, latest April 30, 2014.
  • Chlorine, total residual: 2 limits, 216 violations of any kind, 15 effluent exceedances, latest May 31, 2015, largest 32% over the limit.
  • Solids, suspended percent removal: 1 limit, 53 violations of any kind, 1 effluent exceedance, latest December 31, 2004, largest 7% over the limit.
  • BOD, 5-day, 20 deg. C: 2 limits, 447 violations of any kind.
  • Solids, total suspended: 2 limits, 447 violations of any kind.
  • Flow, in conduit or thru treatment plant: 2 limits, 104 violations of any kind.
  • Nitrogen, ammonia total [as N]: 0 limits, 98 violations of any kind.
  • Enterococci: 0 limits, 98 violations of any kind.
  • BOD, 5-day, percent removal: 1 limit, 52 violations of any kind.
  • Fecal coliform, MPN, EC med, 44.5 C: 0 limits, 49 violations of any kind.
  • Floating solids, waste or visible foam-visual: 0 limits, 49 violations of any kind.
  • Coliform, fecal MF, MFC broth, 44.5 C: 2 limits, 4 violations of any kind.
  • Enterococci: group D, MF trans, M-E, EIA: 2 limits, 4 violations of any kind.
  • E. coli, MTEC-MF: 0 limits, 2 violations of any kind.
  • pH range excursions, monthly total accum: 0 limits, 1 violation of any kind.

Washington holds 238 Publicly owned treatment works coverages of this permit type in EPA’s file; 15 were issued before WA0020281. COULEE DAM, TOWN OF holds 2 permits in Washington.

Other permits held by COULEE DAM, TOWN OF

Coverages issued nearest WA0020281

COULEE DAM, TOWN OF - COULEE DAM WWTP among its neighbors

5 discharge permits are in the Sanderson Creek-Columbia River subwatershed (HUC 170200050203); WA0020281 is one. Its county: 57, 0 major; WA0020281 is minor permit.

Other permits in the Sanderson Creek-Columbia River subwatershed (HUC 170200050203)

Identity

FacilityCOULEE DAM, TOWN OF - COULEE DAM WWTP
PermitteeCOULEE DAM, TOWN OF
NPDES IDWA0020281
StatusAdministratively continued
TypeIndividual permit
ClassMinor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJuly 21, 2008
ExpiresAugust 30, 2013
AddressCoulee Dam, WA 99116
Receiving waterCOLUMBIA RIVER
SubwatershedSanderson Creek-Columbia River (HUC 170200050203)
Program components on fileBiosolids, POTW
NAICS221320 – Sewage Treatment Facilities
SIC4952 – Sewerage Systems

NPDES WA0020281: effluent limits and exceedances

COULEE DAM, TOWN OF - COULEE DAM WWTP (NPDES WA0020281): 15 pollutants on file, 9 limited; 15 with a violation of any kind, 3 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
pH214745April 30, 2014
Chlorine, total residual221615May 31, 201532% over the limit
Solids, suspended percent removal1531December 31, 20047% over the limit
BOD, 5-day, 20 deg. C24470
Solids, total suspended24470
Flow, in conduit or thru treatment plant21040
Nitrogen, ammonia total [as N]0980
Enterococci0980
BOD, 5-day, percent removal1520
Fecal coliform, MPN, EC med, 44.5 C0490
Floating solids, waste or visible foam-visual0490
Coliform, fecal MF, MFC broth, 44.5 C240
Enterococci: group D, MF trans, M-E, EIA240
E. coli, MTEC-MF020
pH range excursions, monthly total accum010

NPDES WA0020281: inspections, violations and enforcement

NPDES WA0020281 (COULEE DAM, TOWN OF - COULEE DAM WWTP): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

Watch NPDES WA0020281

NPDES WA0020281: one email when its EPA record changes — $99/month.

Billing

Privacy

Permits near NPDES WA0020281

NPDES WA0020281: 15 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.