Clean Water Act discharge permit · NPDES OK0028291

OTTAWA CO RWD #1, Wyandotte, OK: NPDES OK0028291 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
8Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

OTTAWA CO RWD #1, held by Ottawa Co RWD#1 -Wyandotte, holds NPDES permit OK0028291, which discharges to 120600030040_00 Trib/ Grand Lake O' The Cherokees. EPA’s file records it issued February 26, 2021 and expiring March 31, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	OTTAWA CO RWD #1
Permittee as filed	Ottawa Co RWD#1 -Wyandotte
NPDES ID	OK0028291
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	February 26, 2021
Expiration date	March 31, 2026
Issuing agency	ODEQ
Address	Wyandotte, OK 74370
Receiving water	120600030040_00 trib/ Grand Lake O' the Cherokees
Subwatershed	Lower Lost Creek (HUC 110702060202)
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

12Pollutants on file
9Under a numeric limit
12With a violation of any kind
8With 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
Coliform, fecal general	0	111	69	September 30, 2015	99,999% over the limit
BOD, 5-day, 20 deg. C	0	110	61	October 31, 2004	480% over the limit
Solids, total suspended	6	157	58	January 31, 2018	99,999% over the limit
Phosphorus, total [as P]	3	92	55	January 31, 2026	2,315% over the limit
Nitrogen, ammonia total [as N]	6	48	11	April 30, 2025	215% over the limit
Chlorine, total residual	0	37	5	March 31, 1997	1% over the limit
Oxygen, dissolved [DO]	2	17	4	September 30, 2015	50% over the limit
BOD, carbonaceous [5 day, 20 C]	6	38	2	December 31, 2011	33% over the limit
Flow, in conduit or thru treatment plant	2	64	0
pH	2	63	0
Coliform, total general	2	14	0
E. coli	2	4	0

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES OK0028291.

Inspections

EPA’s inspection file holds no inspection for NPDES OK0028291.

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 OK0028291.

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, OK0028291.

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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 OK0028291 there.

Nearby on the register

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

This public-records page covers the Clean Water Act discharge permit NPDES OK0028291 held by Ottawa Co RWD#1 -Wyandotte for OTTAWA CO RWD #1 in Wyandotte, OK, which is administratively continued and classed as a minor discharger. The page lists 8 pollutants with an effluent exceedance and 9 pollutants under a numeric limit, with the permit's receiving water identified as 120600030040_00 trib/ Grand Lake O' the Cherokees.