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Clean Water Act discharge permit · NPDES OK0022802

MANNFORD PWA - MAIN WWTP, Mannford, OK: NPDES OK0022802 discharge permit, effluent exceedances, inspections, penalties

MANNFORD PWA - MAIN WWTP, held by Mannford PWA-Main, holds NPDES permit OK0022802, which discharges to 6209200010020 Trib/Keystone Lake. EPA’s file records it issued April 10, 2018 and expiring April 30, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedMANNFORD PWA - MAIN WWTP
Permittee as filedMannford PWA-Main
NPDES IDOK0022802
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
IssuedApril 10, 2018
Expiration dateApril 30, 2023
Issuing agencyODEQ
AddressMannford, OK 74044
Receiving water6209200010020 trib/Keystone Lake
SubwatershedLower Salt Creek-Cimarron River (HUC 110500030509)

Cited to the EPA ICIS-NPDES permit file (ECHO 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
BOD, 5-day, 20 deg. C31813November 30, 201486% over the limit
Solids, total suspended3125January 31, 201284% over the limit
Coliform, fecal general075September 30, 2013700% over the limit
Coliform, total general022April 30, 2005360% over the limit
Chlorine, total residual121December 31, 2004506% over the limit
pH260
Nitrogen, ammonia total [as N]060
Flow, in conduit or thru treatment plant240
LC50 Static Renewal 48Hr Acute Daphnia pulex020
LC50 Static Renewal 48Hr Acute Pimephales promelas020
%Mortality Static Renewal 48Hr Acute Daphnia Pulex020
% Mortality Static Renewal 48 Hr Pimephales promelas or use TJA6C020
LC50 Pass/Fail Static Renewal 48Hr Acute Daphnia Pulex010
LC50 Static Renewal 48Hr Acute Pimephales promelas010
E. coli200

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES OK0022802.

Velarion’s copy of EPA’s ICIS-NPDES files does not yet include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

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

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, OK0022802.

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  • One state — $4,990/year
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How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID OK0022802 there.

Nearby on the register

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