Clean Water Act discharge permit · NPDES OK0027448

PERRY, CITY OF, Perry, OK: NPDES OK0027448 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
6Pollutants under a numeric limit
4Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

PERRY, CITY OF, held by Perry, City of - WTF, holds NPDES permit OK0027448, which discharges to 621200030270_00 Trib/Cow Creek. EPA’s file records it issued November 15, 2018 and expiring November 30, 2023.

PERRY, CITY OF, Perry, Oklahoma: Individual permit OK0027448, held by Perry, City of - WTF; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued November 15, 2018, term to November 30, 2023, by OKDEQ; discharges to 621200030270_00 trib/Cow Creek.

pH: 2 limits, 18 violations of any kind, 8 effluent exceedances, latest November 30, 2017.
Coliform, fecal general: 0 limits, 13 violations of any kind, 7 effluent exceedances, latest September 30, 2018, largest 1,350% over the limit.
E. coli: 4 limits, 4 violations of any kind, 4 effluent exceedances, latest June 30, 2025, largest 496% over the limit.
Chlorine, total residual: 1 limit, 4 violations of any kind, 2 effluent exceedances, latest June 30, 2007, largest 223% over the limit.
BOD, 5-day, 20 deg. C: 3 limits, 15 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 3 limits, 15 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 10 violations of any kind, 0 effluent exceedances.

March 5, 2026: Evaluation (S).
September 20, 2017: Permit Violations - Violation Specified in Comment (ST6).

Oklahoma holds 197 Publicly owned treatment works coverages of this permit type in EPA’s file; 122 were issued before OK0027448.

Coverages issued nearest OK0027448

September 4, 2018: PANAMA PUBLIC WORKS AUTHORITY, Panama, OK0031054, held by Panama PWA
September 14, 2018: HULBERT PUBLIC WORKS AUTHORITY, Hulbert, OK0032328, held by Hulbert PWA
October 15, 2018: FREDERICK, CITY OF - IND PARK, Frederick, OK0027189, held by Frederick, City of (Industrial Park)
October 15, 2018: TALIHINA PWA, Talihina, OK0028380, held by Talihina PWA
November 13, 2018: KEOTA PWA, Keota, OK0031186, held by Keota PWA
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 7, 2018: KAW CITY WWTF, Kaw City, OK0028878, held by Kaw City, Town 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

PERRY, CITY OF among its neighbors

EPA’s permit file holds 1 discharge permits in the Cow Creek subwatershed (HUC 110600060406), OK0027448 among them. Its county holds 3, 1 of them major permits; OK0027448 is a minor permit.

Identity

Facility as filed	PERRY, CITY OF
Permittee as filed	Perry, City of - WTF
NPDES ID	OK0027448
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	November 15, 2018
Expiration date	November 30, 2023
Issuing agency	OKDEQ
Address	Perry, OK 73077
Receiving water	621200030270_00 trib/Cow Creek
Subwatershed	Cow Creek (HUC 110600060406)

Effluent limits and exceedances

7Pollutants on file
6Under a numeric limit
7With a violation of any kind
4With 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
pH	2	18	8	November 30, 2017
Coliform, fecal general	0	13	7	September 30, 2018	1,350% over the limit
E. coli	4	4	4	June 30, 2025	496% over the limit
Chlorine, total residual	1	4	2	June 30, 2007	223% over the limit
BOD, 5-day, 20 deg. C	3	15	0
Solids, total suspended	3	15	0
Flow, in conduit or thru treatment plant	2	10	0

Inspections, violations and enforcement

1Single-event violations

Date	What EPA recorded	Agency
September 20, 2017	Permit Violations - Violation Specified in Comment	ST6

Inspections

Date	What EPA recorded	Agency
March 5, 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 OK0027448.

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

This public-records page covers the Clean Water Act discharge permit NPDES OK0027448 held by Perry, City of - WTF in Perry, OK, which discharges to Trib/Cow Creek and is administratively continued past its November 30, 2023 expiration date. The page lists 4 pollutants with an effluent exceedance, 4 pollutants under a numeric limit, and 7 pollutants on file.