Clean Water Act discharge permit · NPDES OK0041289
GRAND RIVER DAM AUTH-PENSACOLA, Langley, OK: NPDES OK0041289 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 3Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
GRAND RIVER DAM AUTH-PENSACOLA, held by Grand River Dam Auth-Pensacola, holds NPDES permit OK0041289, which discharges to 121600020170 Grand (Neosho) River. EPA’s file records it issued October 9, 2017 and expiring October 31, 2022.
GRAND RIVER DAM AUTH-PENSACOLA, Langley, Oklahoma: Individual permit OK0041289, held by Grand River Dam Auth-Pensacola; Administratively continued (past its expiration date and still in force until reissued); issued October 9, 2017, term to October 31, 2022, by ODEQ; discharges to 121600020170 Grand (Neosho) River; Electric Power Distribution.
- pH: 2 limits, 11 violations of any kind, 1 effluent exceedance, latest February 29, 2008.
- Oil & Grease: 0 limits, 10 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 2 limits, 8 violations of any kind, 0 effluent exceedances.
- Oil and grease, hexane extr method: 2 limits, 0 violations of any kind, 0 effluent exceedances.
GRAND RIVER DAM AUTH-PENSACOLA among its neighbors
EPA’s permit file holds 2 discharge permits in the Hudson Lake-Neosho River subwatershed (HUC 110702090503), OK0041289 among them. Its county holds 15, 0 of them major permits; OK0041289 is a minor permit.
Other permits in the Hudson Lake-Neosho River subwatershed (HUC 110702090503)
- LANGLEY PUBLIC WORKS AUTHORITY, Langley: OK0039128, minor permit, discharging to 121600020170_00 Neosho R, permit term to September 30, 2024
Identity
| Facility as filed | GRAND RIVER DAM AUTH-PENSACOLA |
|---|---|
| Permittee as filed | Grand River Dam Auth-Pensacola |
| NPDES ID | OK0041289 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 9, 2017 |
| Expiration date | October 31, 2022 |
| Issuing agency | ODEQ |
| Address | Langley, OK 74350 |
| Receiving water | 121600020170 Grand (Neosho) River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Hudson Lake-Neosho River (HUC 110702090503) |
| NAICS | 221122 – Electric Power Distribution |
| SIC | 4911 – Electric Services |
Effluent limits and exceedances
- 4Pollutants on file
- 3Under a numeric limit
- 3With a violation of any kind
- 1With 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 | 11 | 1 | February 29, 2008 | |
| Oil & Grease | 0 | 10 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 8 | 0 | ||
| Oil and grease, hexane extr method | 2 | 0 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES OK0041289.
Inspections
EPA’s inspection file holds no inspection for NPDES OK0041289.
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 OK0041289.
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, OK0041289.
Start the watch
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- One watershed — $2,990/year
- One state — $4,990/year
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Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.