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Clean Water Act discharge permit · NPDES OK0024449

MANNFORD PWA - EAST PLANT, Mannford, OK: NPDES OK0024449 discharge permit, effluent exceedances, inspections, penalties

MANNFORD PWA - EAST PLANT, held by Mannford PWA-East, holds NPDES permit OK0024449, which discharges to 620900010090 Salt Creek/Keystone Reservoir. EPA’s file records it issued January 17, 2019 and expiring February 29, 2024.

MANNFORD PWA - EAST PLANT, Mannford, Oklahoma: Individual permit OK0024449, held by Mannford PWA-East; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued January 17, 2019, term to February 29, 2024, by ODEQ; discharges to 620900010090 Salt Creek/Keystone Reservoir; Sewage Treatment Facilities.

  • BOD, 5-day, 20 deg. C: 3 limits, 8 violations of any kind, 5 effluent exceedances, latest July 31, 2015, largest 105% over the limit.
  • Solids, total suspended: 3 limits, 4 violations of any kind, 1 effluent exceedance, latest September 30, 2011, largest 37% over the limit.
  • Coliform, fecal general: 0 limits, 1 violation of any kind, 1 effluent exceedance, latest September 30, 2013, largest 175% over the limit.
  • pH: 2 limits, 2 violations of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 2 limits, 2 violations of any kind, 0 effluent exceedances.
  • Chlorine, total residual: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • E. coli: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • June 20, 2023: Effluent Violations - Unapproved Bypass (ST6).

Oklahoma holds 197 Publicly owned treatment works coverages of this permit type in EPA’s file; 129 were issued before OK0024449.

Coverages issued nearest OK0024449

MANNFORD PWA - EAST PLANT among its neighbors

EPA’s permit file holds 1 discharge permits in the Upper Salt Creek subwatershed (HUC 110500030508), OK0024449 among them. Its county holds 10, 0 of them major permits; OK0024449 is a minor permit.

Identity

Facility as filedMANNFORD PWA - EAST PLANT
Permittee as filedMannford PWA-East
NPDES IDOK0024449
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
IssuedJanuary 17, 2019
Expiration dateFebruary 29, 2024
Issuing agencyODEQ
AddressMannford, OK 74044
Receiving water620900010090 Salt Creek/Keystone Reservoir
Receiving water impaired303(D) Listed
SubwatershedUpper Salt Creek (HUC 110500030508)
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. C385July 31, 2015105% over the limit
Solids, total suspended341September 30, 201137% over the limit
Coliform, fecal general011September 30, 2013175% over the limit
pH220
Flow, in conduit or thru treatment plant220
Chlorine, total residual110
E. coli200

Inspections, violations and enforcement

DateWhat EPA recordedAgency
June 20, 2023Effluent Violations - Unapproved BypassST6

Inspections

EPA’s inspection file holds no inspection for NPDES OK0024449.

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 OK0024449.

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Nearby on the register

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

What this page shows

This page covers the NPDES permit OK0024449 for MANNFORD PWA - EAST PLANT in Mannford, OK. The permit is an individual permit for a minor discharger, administratively continued, and was issued January 17, 2019, with an expiration date of February 29, 2024. It discharges to 620900010090 Salt Creek/Keystone Reservoir, with 3 pollutants under a numeric limit and 3 pollutants with an effluent exceedance.