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Clean Water Act discharge permit · NPDES WA0024040

MCCLEARY STP, Mccleary, WA: NPDES WA0024040 discharge permit, effluent exceedances, inspections, penalties

MCCLEARY STP, held by City of McCleary, holds NPDES permit WA0024040. EPA’s file records it issued September 14, 2018 and expiring September 30, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedMCCLEARY STP
Permittee as filedCity of McCleary
NPDES IDWA0024040
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramPublicly owned treatment works
IssuedSeptember 14, 2018
Expiration dateSeptember 30, 2023
Issuing agencyState
AddressMccleary, WA 98557
SubwatershedWildcat Creek (HUC 171001040402)
Program components on filePOTW, Pretreatment

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

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
Nitrogen, ammonia total [as N]51457November 30, 2025122% over the limit
Oxygen, dissolved [DO]2617September 30, 201511% over the limit
Solids, total suspended81682November 30, 200833% over the limit
pH2772January 31, 2015
pH, minimum022January 31, 2012
BOD, 5-day, 20 deg. C101660
Flow3770
Coliform, fecal general2750
Temperature, water deg. centigrade2290
BOD, percent removal [total]1270
Solids, suspended percent removal1270
Nitrogen, Kjeldahl, total [as N]110
Nitrite + Nitrate total [as N]110
Phosphorus, total [as P]110
Phosphorus, dissolved reactive [drp as P]110
Oil and grease [soxhlet extr.] tot.100
Hardness, total [as CaCO3]100
Solids, total dissolved100

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

DateWhat EPA recordedAgency
June 10, 2024Effluent Violations - Numeric effluent violationST6
January 1, 2022Reporting Violations - Failure to Submit DMRsST6

Inspections

DateWhat EPA recordedAgency
August 27, 2026EvaluationS
January 29, 2026EvaluationS

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

DateWhat EPA recordedAgency
November 3, 2026Letter of Violation/ Warning LetterState
September 29, 2026Letter of Violation/ Warning LetterState
August 21, 2026Letter of Violation/ Warning LetterState
August 5, 2026Letter of Violation/ Warning LetterState
June 24, 2026Letter of Violation/ Warning LetterState

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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MCCLEARY STP, Mccleary, Washington: Individual permit WA0024040, held by City of McCleary; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued September 14, 2018, term to September 30, 2023, by State.

3 of the 18 pollutants listed for NPDES WA0024040 have no violation or effluent exceedance.

  • Nitrogen, ammonia total [as N]: 5 limits, 145 violations of any kind, 7 effluent exceedances, latest November 30, 2025, largest 122% over the limit.
  • Oxygen, dissolved [DO]: 2 limits, 61 violations of any kind, 7 effluent exceedances, latest September 30, 2015, largest 11% over the limit.
  • Solids, total suspended: 8 limits, 168 violations of any kind, 2 effluent exceedances, latest November 30, 2008, largest 33% over the limit.
  • pH: 2 limits, 77 violations of any kind, 2 effluent exceedances, latest January 31, 2015.
  • pH, minimum: 0 limits, 2 violations of any kind, 2 effluent exceedances, latest January 31, 2012.
  • BOD, 5-day, 20 deg. C: 10 limits, 166 violations of any kind.
  • Flow: 3 limits, 77 violations of any kind.
  • Coliform, fecal general: 2 limits, 75 violations of any kind.
  • Temperature, water deg. centigrade: 2 limits, 29 violations of any kind.
  • BOD, percent removal [total]: 1 limit, 27 violations of any kind.
  • Solids, suspended percent removal: 1 limit, 27 violations of any kind.
  • Nitrogen, Kjeldahl, total [as N]: 1 limit, 1 violation of any kind.
  • Nitrite + Nitrate total [as N]: 1 limit, 1 violation of any kind.
  • Phosphorus, total [as P]: 1 limit, 1 violation of any kind.
  • Phosphorus, dissolved reactive [drp as P]: 1 limit, 1 violation of any kind.
  • Oil and grease [soxhlet extr.] tot.: 1 limit.
  • Hardness, total [as CaCO3]: 1 limit.
  • Solids, total dissolved: 1 limit.
  • November 3, 2026: Letter of Violation/ Warning Letter (State).
  • September 29, 2026: Letter of Violation/ Warning Letter (State).
  • August 27, 2026: Evaluation (S).
  • August 21, 2026: Letter of Violation/ Warning Letter (State).
  • August 5, 2026: Letter of Violation/ Warning Letter (State).
  • June 24, 2026: Letter of Violation/ Warning Letter (State).
  • January 29, 2026: Evaluation (S).
  • June 10, 2024: Effluent Violations - Numeric effluent violation (ST6).
  • January 1, 2022: Reporting Violations - Failure to Submit DMRs (ST6).

Washington holds 238 Publicly owned treatment works coverages of this permit type in EPA’s file; 194 were issued before WA0024040.

Coverages issued nearest WA0024040

  • 2018-06-11: ABERDEEN STP, Aberdeen: WA0037192, held by City of Aberdeen
  • 2018-06-12: PE ELL STP, Pe Ell: WA0020192, held by The Town of Pe Ell
  • 2018-07-10: MABTON POTW, Mabton: WA0020648, held by City of Mabton
  • 2018-08-08: ASOTIN STP, Asotin: WA0020818, held by City of Asotin
  • 2018-08-22: CRESCENT BAR WASTEWATER TREATMENT FACILITY, Quincy: WA0991013, held by Grant PUD
  • 2018-09-17: LAKOTA WWTP, Federal Way: WA0022624, held by Lakehaven Water and Sewer District
  • 2018-09-26: REDONDO WWTP, Des Moines: WA0023451, held by Lakehaven Water and Sewer District
  • 2018-09-27: POMEROY STP, Pomeroy: WA0021164, held by City of Pomeroy
  • 2018-10-01: MILLER CREEK WWTP, Normandy Park: WA0022764, held by Southwest Suburban Sewer District
  • 2018-10-03: ILWACO STP, Ilwaco: WA0023159, held by City of Ilwaco

MCCLEARY STP among its neighbors

5 discharge permits are in the Wildcat Creek subwatershed (HUC 171001040402); WA0024040 is one. Its county: 114, 3 major; WA0024040 is minor permit.

Other permits in the Wildcat Creek subwatershed (HUC 171001040402)

Nearby on the register

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

What this page shows

The public-records page covers NPDES permit WA0024040 for MCCLEARY STP in Mccleary, WA, held by City of McCleary, with a status of administratively continued and a minor discharger class. The page lists 18 pollutants on file, 17 under a numeric limit, 5 with an effluent exceedance, and 15 with a violation.