Clean Water Act discharge permit · NPDES OK0035203
TINKER AIR FORCE BASE, Oklahoma City, OK: NPDES OK0035203 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
TINKER AIR FORCE BASE, held by General Motors, holds NPDES permit OK0035203, which discharges to 520520000090 Unmd Trib/Crutcho Ck. EPA’s file records it issued August 29, 2003 and expiring August 31, 2008.
TINKER AIR FORCE BASE, Oklahoma City, Oklahoma: Individual permit OK0035203, held by General Motors; Administratively continued (past its expiration date and still in force until reissued); issued August 29, 2003, term to August 31, 2008, by ODEQ; discharges to 520520000090 unmd trib/Crutcho Ck.
- Solids, total suspended: 1 limit, 22 violations of any kind, 20 effluent exceedances, latest October 31, 2013, largest 1,104% over the limit.
- pH: 2 limits, 18 violations of any kind, 7 effluent exceedances, latest June 30, 2005.
- Flow, in conduit or thru treatment plant: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Oil and grease, hexane extr method: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Oil & Grease: 0 limits, 1 violation of any kind, 0 effluent exceedances.
- Carbon, tot organic [TOC]: 0 limits, 1 violation of any kind, 0 effluent exceedances.
TINKER AIR FORCE BASE among its neighbors
EPA’s permit file holds 4 discharge permits in the Crutcho Creek subwatershed (HUC 111003020104), OK0035203 among them. Its county holds 30, 9 of them major permits; OK0035203 is a minor permit.
Other permits in the Crutcho Creek subwatershed (HUC 111003020104)
- B9201 SOFTWARE INTEGRATION LAB TINKER AFB, Oklahoma City: OKR10F03A, minor permit, permit term to February 16, 2027
- MIDWEST CITY, CITY OF - NORTH, Midwest City: OK0026841, major permit, discharging to 520520000060_00 Crutcho Ck/ North Canadian River, permit term to April 30, 2020
- TINKER AFB, Oklahoma City: OK0000809, major permit, discharging to 520520 unmd trib/ Soldier Ck, permit term to August 31, 2017
Identity
| Facility as filed | TINKER AIR FORCE BASE |
|---|---|
| Permittee as filed | General Motors |
| NPDES ID | OK0035203 |
| 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 | August 29, 2003 |
| Expiration date | August 31, 2008 |
| Issuing agency | ODEQ |
| Address | Oklahoma City, OK 73135 |
| Receiving water | 520520000090 unmd trib/Crutcho Ck |
| Subwatershed | Crutcho Creek (HUC 111003020104) |
| SIC | 3479 – Metal Coating And Allied Services |
| Other EPA IDs (FRS) | RCRA handler OKD082565714 |
Effluent limits and exceedances
- 6Pollutants on file
- 4Under a numeric limit
- 6With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 1 | 22 | 20 | October 31, 2013 | 1,104% over the limit |
| pH | 2 | 18 | 7 | June 30, 2005 | |
| Flow, in conduit or thru treatment plant | 1 | 4 | 0 | ||
| Oil and grease, hexane extr method | 1 | 3 | 0 | ||
| Oil & Grease | 0 | 1 | 0 | ||
| Carbon, tot organic [TOC] | 0 | 1 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES OK0035203.
Inspections
EPA’s inspection file holds no inspection for NPDES OK0035203.
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 OK0035203.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.