Clean Water Act discharge permit · NPDES MSP092297
OIL DRI PRODUCTION COMPANY, Ripley, MS: NPDES MSP092297 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 3Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
OIL DRI PRODUCTION COMPANY holds NPDES permit MSP092297, which discharges to Ms0020958 - Ripley Potw. EPA’s file records it issued April 24, 2018 and expiring March 31, 2023. 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 | OIL DRI PRODUCTION COMPANY |
|---|---|
| Permittee as filed | OIL DRI PRODUCTION COMPANY |
| NPDES ID | MSP092297 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 24, 2018 |
| Expiration date | March 31, 2023 |
| Issuing agency | MDEQ |
| Address | Ripley, MS 38663 |
| Receiving water | MS0020958 - RIPLEY POTW |
| NAICS | 212325 – Clay and Ceramic and Refractory Minerals Mining |
| SIC | 3295 – Minerals, Ground Or Treated |
| Other EPA IDs (FRS) | RCRA handler MSD982769713; ICIS-AIR source MS0000002813900014 |
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
- 3Pollutants on file
- 3Under a numeric limit
- 3With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 2 | 29 | 23 | September 30, 2024 | 915% over the limit |
| pH | 2 | 14 | 10 | March 31, 2025 | |
| Solids, total suspended | 4 | 11 | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 22, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| May 22, 2025 | Monitoring Violations - Analysis not Conducted | ST6 |
| May 22, 2025 | WW SSO - Failure to Maintain Records or Meet Record Keeping Requirements | ST6 |
| March 31, 2022 | Pretreatment - IU Violation of Pretreatment Standards | ST6 |
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 MSP092297 there.
Nearby on the register
- Discharge permits in Ripley
- Every permit record in Ripley, A to Z
- Discharge permits in Mississippi
- Every permit record in Mississippi, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.