Clean Water Act discharge permit · NPDES OK0000418
CIMAREX ENERGY, Elmore City, OK: NPDES OK0000418 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
CIMAREX ENERGY, held by Cimarex Energy- Elmore, holds NPDES permit OK0000418, which discharges to 310810030080 Unmd Trib/ Salt Creek. EPA’s file records it issued July 11, 2008 and expiring July 31, 2013. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | CIMAREX ENERGY |
|---|---|
| Permittee as filed | Cimarex Energy- Elmore |
| NPDES ID | OK0000418 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 11, 2008 |
| Expiration date | July 31, 2013 |
| Issuing agency | ODEQ |
| Address | Elmore City, OK 73433 |
| Receiving water | 310810030080 unmd trib/ Salt Creek |
| Subwatershed | Lower Salt Creek (HUC 111303030502) |
| Other EPA IDs (FRS) | ICIS-AIR source OK0000004004995001 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 5Pollutants on file
- 5Under a numeric limit
- 5With a violation of any kind
- 0With 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 | 14 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 14 | 0 | ||
| Phosphorus, total [as P] | 1 | 7 | 0 | ||
| Zinc, total [as Zn] | 1 | 7 | 0 | ||
| Oxidants, total residual | 1 | 7 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES OK0000418.
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 OK0000418.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
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, OK0000418.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 OK0000418 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.