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Clean Water Act discharge permit · NPDES WA0020702

LANGLEY STP, Langley, WA: NPDES WA0020702 discharge permit, effluent exceedances, inspections, penalties

LANGLEY STP, held by Langley City of, holds NPDES permit WA0020702. EPA’s file records it issued March 28, 2022 and expiring April 30, 2027.

LANGLEY STP, Langley, Washington: Individual permit WA0020702, held by Langley City of; Publicly owned treatment works; Effective; issued March 28, 2022, term to April 30, 2027, by State.

  • BOD, percent removal [total]: 0 limits, 94 violations of any kind, 92 effluent exceedances, latest April 30, 2022, largest 93% over the limit.
  • Solids, suspended percent removal: 0 limits, 92 violations of any kind, 92 effluent exceedances, latest April 30, 2022, largest 93% over the limit.
  • Nitrogen, ammonia total [as N]: 0 limits, 4 violations of any kind, 0 effluent exceedances.
  • Nitrogen, Kjeldahl, total [as N]: 0 limits, 4 violations of any kind, 0 effluent exceedances.
  • Nitrite + Nitrate total [as N]: 0 limits, 4 violations of any kind, 0 effluent exceedances.
  • Phosphorus, dissolved reactive [drp as P]: 0 limits, 4 violations of any kind, 0 effluent exceedances.

Washington holds 238 Publicly owned treatment works coverages of this permit type in EPA’s file; 235 were issued before WA0020702.

Coverages issued nearest WA0020702

LANGLEY STP among its neighbors

Its county holds 56, 0 of them major permits; WA0020702 is a minor permit.

Other permits in the county

Identity

Facility as filedLANGLEY STP
Permittee as filedLangley City of
NPDES IDWA0020702
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedMarch 28, 2022
Expiration dateApril 30, 2027
Issuing agencyState
AddressLangley, WA 98260
Program components on filePOTW, Pretreatment
SIC4952 – Sewerage Systems

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
BOD, percent removal [total]09492April 30, 202293% over the limit
Solids, suspended percent removal09292April 30, 202293% over the limit
Nitrogen, ammonia total [as N]040
Nitrogen, Kjeldahl, total [as N]040
Nitrite + Nitrate total [as N]040
Phosphorus, dissolved reactive [drp as P]040

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES WA0020702.

Inspections

EPA’s inspection file holds no inspection for NPDES WA0020702.

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 WA0020702.

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Nearby on the register

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

What this page shows

This public-records page covers the Clean Water Act NPDES discharge permit WA0020702 for LANGLEY STP in Langley, WA, held by Langley City of, with the permit shown as Effective, issued March 28, 2022 and expiring April 30, 2027. The page lists 6 pollutants on file, with 2 pollutants showing an effluent exceedance and 6 pollutants with a violation of any kind.