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Clean Water Act discharge permit · NPDES OK0028878

KAW CITY WWTF, Kaw City, OK: NPDES OK0028878 discharge permit, effluent exceedances, inspections, penalties

KAW CITY WWTF, held by Kaw City, Town of, holds NPDES permit OK0028878, which discharges to 621210000040 Kaw Reservoir. EPA’s file records it issued December 7, 2018 and expiring December 31, 2023.

KAW CITY WWTF, Kaw City, Oklahoma: Individual permit OK0028878, held by Kaw City, Town of; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued December 7, 2018, term to December 31, 2023, by ODEQ; discharges to 621210000040 Kaw Reservoir; Sewage Treatment Facilities.

  • BOD, 5-day, 20 deg. C: 3 limits, 322 violations of any kind, 160 effluent exceedances, latest April 30, 2026, largest 380% over the limit.
  • Solids, total suspended: 3 limits, 230 violations of any kind, 62 effluent exceedances, latest June 30, 2025, largest 533% over the limit.
  • pH: 2 limits, 173 violations of any kind, 61 effluent exceedances, latest July 31, 2026.
  • Coliform, fecal general: 0 limits, 93 violations of any kind, 53 effluent exceedances, latest September 30, 2018, largest 99,999% over the limit.
  • E. coli: 2 limits, 39 violations of any kind, 35 effluent exceedances, latest June 30, 2026, largest 930% over the limit.
  • Coliform, total general: 0 limits, 42 violations of any kind, 12 effluent exceedances, latest October 31, 2012, largest 99,999% over the limit.
  • Flow, in conduit or thru treatment plant: 2 limits, 113 violations of any kind, 0 effluent exceedances.
  • March 19, 2026: State Administrative Order of Consent (State), $1,000 state or local penalty.
  • January 14, 2026: Evaluation (S).
  • June 23, 2020: Biosolids: Other Management Practice Violation (ST6).

Oklahoma holds 197 Publicly owned treatment works coverages of this permit type in EPA’s file; 124 were issued before OK0028878.

Coverages issued nearest OK0028878

  • October 15, 2018: TALIHINA PWA, Talihina, OK0028380, held by Talihina PWA
  • November 13, 2018: KEOTA PWA, Keota, OK0031186, held by Keota PWA
  • November 15, 2018: PERRY, CITY OF, Perry, OK0027448, held by Perry, City of - WTF
  • December 6, 2018: PAWHUSKA, CITY OF, Pawhuska, OK0028274, held by Pawhuska, City of
  • December 7, 2018: BARNSDALL, CITY OF, Barnsdall, OK0027308, held by Barnsdall, City of
  • December 10, 2018: PURCELL, CITY OF, Purcell, OK0028533, held by Purcell, City of
  • January 15, 2019: HARTSHORNE, CITY OF, Hartshorne, OK0022861, held by Hartshorne, City of
  • January 15, 2019: CITY OF SENECA, West Seneca, OK0030236, held by Seneca, City of (Missouri)
  • January 17, 2019: MANNFORD PWA - EAST PLANT, Mannford, OK0024449, held by Mannford PWA-East
  • March 3, 2019: VIAN PWA, Vian, OK0021512, held by Vian PWA

KAW CITY WWTF among its neighbors

EPA’s permit file holds 1 discharge permits in the Bear Creek subwatershed (HUC 110600010404), OK0028878 among them. Its county holds 5, 1 of them major permits; OK0028878 is a minor permit.

Identity

Facility as filedKAW CITY WWTF
Permittee as filedKaw City, Town of
NPDES IDOK0028878
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedDecember 7, 2018
Expiration dateDecember 31, 2023
Issuing agencyODEQ
AddressKaw City, OK 74641
Receiving water621210000040 Kaw Reservoir
Receiving water impaired303(D) Listed
SubwatershedBear Creek (HUC 110600010404)
NAICS221320 – Sewage Treatment Facilities
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, 5-day, 20 deg. C3322160April 30, 2026380% over the limit
Solids, total suspended323062June 30, 2025533% over the limit
pH217361July 31, 2026
Coliform, fecal general09353September 30, 201899,999% over the limit
E. coli23935June 30, 2026930% over the limit
Coliform, total general04212October 31, 201299,999% over the limit
Flow, in conduit or thru treatment plant21130

Inspections, violations and enforcement

DateWhat EPA recordedAgency
June 23, 2020Biosolids: Other Management Practice ViolationST6

Inspections

DateWhat EPA recordedAgency
January 14, 2026EvaluationS

Formal enforcement and penalties

1 formal actions, 1 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.

DateWhat EPA recordedAgencyFederal penaltyState or local penalty
March 19, 2026State Administrative Order of ConsentState$1,000

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES OK0028878.

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Nearby on the register

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

What this page shows

The page is a public-records entry for the Kaw City WWTF, a publicly owned treatment works in Kaw City, OK, holding NPDES permit OK0028878 that discharges to Kaw Reservoir (621210000040). It lists the permit as administratively continued and classed as a minor discharger, with 6 pollutants under a numeric limit and 5 pollutants with an effluent exceedance.