Clean Water Act discharge permit · NPDES OK0020281

COWETA PWA, Coweta, OK: NPDES OK0020281 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
7Pollutants under a numeric limit
6Pollutants with an effluent exceedance
3Inspections on file
0Formal enforcement actions

COWETA PWA, held by Coweta PWA, holds NPDES permit OK0020281, which discharges to 120410 Arkansas R. EPA’s file records it issued July 14, 2011 and expiring July 31, 2016.

COWETA PWA, Coweta, Oklahoma: Individual permit OK0020281, held by Coweta PWA; Publicly owned treatment works; Effective; issued July 14, 2011, term to July 31, 2016, by ODEQ; discharges to 120410 Arkansas R.

BOD, 5-day, 20 deg. C: 3 limits, 176 violations of any kind, 164 effluent exceedances, latest July 31, 2026, largest 1,355% over the limit.
E. coli: 0 limits, 28 violations of any kind, 24 effluent exceedances, latest May 31, 2025, largest 934% over the limit.
Coliform, fecal general: 2 limits, 19 violations of any kind, 17 effluent exceedances, latest August 31, 2013, largest 19,900% over the limit.
pH: 2 limits, 15 violations of any kind, 5 effluent exceedances, latest February 29, 2024.
Solids, total suspended: 3 limits, 16 violations of any kind, 4 effluent exceedances, latest December 31, 2024, largest 404% over the limit.
Chlorine, total residual: 1 limit, 5 violations of any kind, 2 effluent exceedances, latest October 31, 2023, largest 2,122% over the limit.
Flow, in conduit or thru treatment plant: 2 limits, 8 violations of any kind, 0 effluent exceedances.
Solids, total dissolved- 180 deg. C: 1 limit, 0 violations of any kind, 0 effluent exceedances.

July 1, 2026: Evaluation (S).
February 11, 2026: Evaluation (S).
February 10, 2026: Evaluation (S).
May 18, 2020: Effluent Violations - Unauthorized Discharge (ST6).

Oklahoma holds 197 Publicly owned treatment works coverages of this permit type in EPA’s file; 18 were issued before OK0020281.

Coverages issued nearest OK0020281

May 18, 2009: OKLAHOMA CITY, CITY OF -DUNJEE, Oklahoma City, OK0030520, held by Oklahoma City, City of- Dunjee Park
January 4, 2010: COPAN PUBLIC WORKS AUTHORITY, Copan, OK0020168, held by Copan PWA
February 22, 2010: MANGUM, CITY OF, Mangum, OK0028827, held by Mangum, City of
August 13, 2010: COMMERCE, CITY OF, Commerce, OK0020320, held by Commerce, City of
November 3, 2010: U.S. FOREST SERVICE-CEDAR LAKE, Heavener, OK0031828, held by US Forest Service- Cedar Lake
July 29, 2011: HYDRO, TOWN OF, Hydro Division, OK0028185, held by Hydro, Town of
August 25, 2011: THE COVES MASTER ASSOC., INC., Afton, OK0037869, held by Coves Master Association, Inc., The
September 15, 2011: ARDMORE INDUSTRIAL AIR PARK WASTEWATER TREATMENT, Ardmore, OK0030422, held by Ardmore, City of (Ind Air Park)
February 27, 2012: OKMULGEE, CITY OF, Okmulgee, OK0028134, held by Okmulgee, City of
April 12, 2012: CAMERON PWA, Cameron, OK0028908, held by Cameron PWA

COWETA PWA among its neighbors

Its county holds 13, 0 of them major permits; OK0020281 is a minor permit.

Other permits in the county

APAC- CENTRAL, INC.-OKAY QUARRY, Okay: OK0041599, minor permit, discharging to 121500 trib/Verdigris River, permit term to February 28, 2013
COWETA PWA, Coweta: OK0045845, minor permit, discharging to 121500010260_00 trib/Fife Creek, permit term to April 30, 2026
GREEN COUNTRY SEWER CO-SUNRISE, Wagoner County: OK0034754, minor permit, discharging to 121500020480_00 Spunky Creek/Verdigris River, permit term to July 31, 2022
HASKELL SAND , LLC-PLANT 20, Coweta: OK0045209, minor permit, discharging to 120410 Arkansas R, permit term to May 31, 2016
HOLLIDAY SAND & GRAVEL-COWETA, Coweta: OK0043095, minor permit, discharging to 120410 Arkansas R, permit term to July 31, 2013
HOLLIDAY SAND & GRAVEL-COWETA PLANT #10, Coweta: OKG950068, minor permit, discharging to 120410010080 Arkansas R, permit term to June 30, 2023
MUSKOGEE SAND COMPANY, INC., Wagoner County: OK0043273, minor permit, discharging to 120410010080 Arkansas River, permit term to August 31, 2016
OKAY PWA, Okay: OKG580020, minor permit, discharging to 121500010280_00 trib/ Verdigris R, permit term to July 31, 2021
UNARCO INDUSTRIES, INC, Wagoner: OKP003033, minor permit, discharging to Wagoner, City of- POTW, permit term to August 31, 2024
WAGONER COUNTY MS4, Wagoner County: OKR040020, minor permit, discharging to Adam Cree/Coal Creek, permit term to October 31, 2020

Identity

Facility as filed	COWETA PWA
Permittee as filed	Coweta PWA
NPDES ID	OK0020281
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	July 14, 2011
Expiration date	July 31, 2016
Issuing agency	ODEQ
Address	Coweta, OK 74429
Receiving water	120410 Arkansas R

Effluent limits and exceedances

8Pollutants on file
7Under a numeric limit
7With a violation of any kind
6With an effluent exceedance

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 measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
BOD, 5-day, 20 deg. C	3	176	164	July 31, 2026	1,355% over the limit
E. coli	0	28	24	May 31, 2025	934% over the limit
Coliform, fecal general	2	19	17	August 31, 2013	19,900% over the limit
pH	2	15	5	February 29, 2024
Solids, total suspended	3	16	4	December 31, 2024	404% over the limit
Chlorine, total residual	1	5	2	October 31, 2023	2,122% over the limit
Flow, in conduit or thru treatment plant	2	8	0
Solids, total dissolved- 180 deg. C	1	0	0

Inspections, violations and enforcement

1Single-event violations

Date	What EPA recorded	Agency
May 18, 2020	Effluent Violations - Unauthorized Discharge	ST6

Inspections

Date	What EPA recorded	Agency
July 1, 2026	Evaluation	S
February 11, 2026	Evaluation	S
February 10, 2026	Evaluation	S

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 OK0020281.

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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

The page covers NPDES permit OK0020281 for COWETA PWA in Coweta, OK, which is a Minor Discharger class 7 facility. It lists 6 pollutants under a numeric limit and 6 pollutants with an effluent exceedance. The permit was issued July 14, 2011, and expires July 31, 2016.