Clean Water Act discharge permit · NPDES OK0040291
COVIA -ROFF PLANT, Roff, OK: NPDES OK0040291 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
COVIA -ROFF PLANT, held by Covia -Roff Plant, holds NPDES permit OK0040291, which discharges to 410600020010_20 Trib/Blue R/Red River. EPA’s file records it issued November 18, 2016 and expiring November 30, 2021. 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 | COVIA -ROFF PLANT |
|---|---|
| Permittee as filed | Covia -Roff Plant |
| NPDES ID | OK0040291 |
| 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 | November 18, 2016 |
| Expiration date | November 30, 2021 |
| Issuing agency | ODEQ |
| Address | Roff, OK 74865 |
| Receiving water | 410600020010_20 trib/Blue R/Red River |
| Subwatershed | Limestone Creek-Blue River (HUC 111401020101) |
| NAICS | 212322 – Industrial Sand Mining |
| SIC | 1446 – Industrial Sand |
| Other EPA IDs (FRS) | ICIS-AIR source OK0000004012300007 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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
- 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 10 | 27 | 3 | September 30, 2020 | 87% over the limit |
| pH | 10 | 24 | 0 | ||
| Flow, in conduit or thru treatment plant | 10 | 24 | 0 | ||
| Oil and grease, hexane extr method | 5 | 12 | 0 | ||
| Solids, total dissolved- 180 deg. C | 2 | 2 | 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 OK0040291.
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, OK0040291.
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- 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 OK0040291 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.