Clean Water Act discharge permit · NPDES OK0039098

SENECA-CAYUGA TRIBE, Miami, OK: NPDES OK0039098 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
10Pollutants under a numeric limit
4Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

SENECA-CAYUGA TRIBE, held by Seneca-Cayuga Tribe, holds NPDES permit OK0039098, which discharges to 121600 Grand Lake O' The Cherokees. EPA’s file records it issued January 24, 2013 and expiring January 31, 2018.

SENECA-CAYUGA TRIBE, Miami, Oklahoma: Individual permit OK0039098, held by Seneca-Cayuga Tribe; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued January 24, 2013, term to January 31, 2018, by OKDEQ; discharges to 121600 Grand Lake O' The Cherokees.

Nitrogen, ammonia total [as N]: 6 limits, 113 violations of any kind, 26 effluent exceedances, latest June 30, 2009, largest 658% over the limit.
Phosphorous, total organic [as P]: 3 limits, 108 violations of any kind, 21 effluent exceedances, latest June 30, 2009, largest 203% over the limit.
BOD, carbonaceous [5 day, 20 C]: 6 limits, 96 violations of any kind, 2 effluent exceedances, latest April 30, 2016, largest 30% over the limit.
Coliform, fecal general: 2 limits, 29 violations of any kind, 1 effluent exceedance, latest September 30, 2013, largest 195% over the limit.
Solids, total suspended: 6 limits, 88 violations of any kind, 0 effluent exceedances.
pH: 2 limits, 58 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 58 violations of any kind, 0 effluent exceedances.
Coliform, total general: 2 limits, 33 violations of any kind, 0 effluent exceedances.
Oxygen, dissolved [DO]: 2 limits, 30 violations of any kind, 0 effluent exceedances.
Chlorine, total residual: 1 limit, 29 violations of any kind, 0 effluent exceedances.

Oklahoma holds 197 Publicly owned treatment works coverages of this permit type in EPA’s file; 26 were issued before OK0039098.

Coverages issued nearest OK0039098

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
August 10, 2012: DELAWARE, CITY OF, Delaware, OK0020796, held by Delaware, City of
September 27, 2012: SHAWNEE MUNICIPAL AUTH- NORTH, Shawnee, OK0037893, held by Shawnee Municipal Authority-North
March 12, 2013: CANDIAN PUBLIC WORKS AUTH, Canadian, OK0035297, held by Canadian PWA
November 26, 2013: SHAWNEE MUNICIPAL AUTH-SOUTH, Shawnee, OK0026051, held by Shawnee Municipal Auth-Southside WWTF
August 1, 2014: BRISTOW, CITY OF, Bristow, OK0032549, held by Bristow, City of
August 7, 2014: WALTERS, CITY OF, Walters, OK0020770, held by Walters, City of
September 28, 2014: RED OAK PUBLIC WORKS AUTHORITY, Red Oak, OK0031631, held by Red Oak PWA

SENECA-CAYUGA TRIBE among its neighbors

EPA’s permit file holds 1 discharge permits in the Carr Branch-Elk River subwatershed (HUC 110702080506), OK0039098 among them. Its county holds 13, 1 of them major permits; OK0039098 is a minor permit.

Identity

Facility as filed	SENECA-CAYUGA TRIBE
Permittee as filed	Seneca-Cayuga Tribe
NPDES ID	OK0039098
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	January 24, 2013
Expiration date	January 31, 2018
Issuing agency	OKDEQ
Address	Miami, OK 74355
Receiving water	121600 Grand Lake O' The Cherokees
Receiving water impaired	303(D) Listed
Subwatershed	Carr Branch-Elk River (HUC 110702080506)

Effluent limits and exceedances

10Pollutants on file
10Under a numeric limit
10With 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
Nitrogen, ammonia total [as N]	6	113	26	June 30, 2009	658% over the limit
Phosphorous, total organic [as P]	3	108	21	June 30, 2009	203% over the limit
BOD, carbonaceous [5 day, 20 C]	6	96	2	April 30, 2016	30% over the limit
Coliform, fecal general	2	29	1	September 30, 2013	195% over the limit
Solids, total suspended	6	88	0
pH	2	58	0
Flow, in conduit or thru treatment plant	2	58	0
Coliform, total general	2	33	0
Oxygen, dissolved [DO]	2	30	0
Chlorine, total residual	1	29	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES OK0039098.

Inspections

EPA’s inspection file holds no inspection for NPDES OK0039098.

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 OK0039098.

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

This public-records page covers NPDES permit OK0039098, held by SENECA-CAYUGA TRIBE in Miami, OK, which discharges to 121600 Grand Lake O' The Cherokees. The permit is administratively continued, with a discharger class of minor, and the page lists 10 effluent limits, of which 4 pollutants have an effluent exceedance.