Clean Water Act discharge permit · NPDES OK0043371
ADM GRAIN COMPANY-ELEVATOR Z, Enid, OK: NPDES OK0043371 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
ADM GRAIN COMPANY-ELEVATOR Z, held by ADM Grain-Elevator Z, holds NPDES permit OK0043371, which discharges to 620910 Trib/Skeleton Ck/Arkansas R Basin. EPA’s file records it issued January 27, 2021 and expiring February 28, 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 | ADM GRAIN COMPANY-ELEVATOR Z |
|---|---|
| Permittee as filed | ADM Grain-Elevator Z |
| NPDES ID | OK0043371 |
| 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 | January 27, 2021 |
| Expiration date | February 28, 2026 |
| Issuing agency | ODEQ |
| Address | Enid, OK 73701 |
| Receiving water | 620910 trib/Skeleton Ck/Arkansas R Basin |
| Subwatershed | 110500020901-Skeleton Creek (HUC 110500020901) |
| NAICS | 424510 – Grain and Field Bean Merchant Wholesalers |
| SIC | 5153 – Grain And Field Beans |
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
- 5Pollutants on file
- 5Under a numeric limit
- 5With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Carbon tetrachloride | 1 | 27 | 4 | November 30, 2021 | 6,360% over the limit |
| pH | 2 | 37 | 1 | February 28, 2021 | |
| Chloroform | 1 | 24 | 1 | November 30, 2021 | 46% over the limit |
| Thallium, total [as Tl] | 2 | 48 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 32 | 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 OK0043371.
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
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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 OK0043371 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.