Clean Water Act discharge permit · NPDES MS0024759
OSYKA POTW, Osyka, MS: NPDES MS0024759 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
OSYKA POTW holds NPDES permit MS0024759, which discharges to Tangipahoa River. EPA’s file records it issued December 20, 2016 and expiring November 30, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | OSYKA POTW |
|---|---|
| Permittee as filed | OSYKA POTW |
| NPDES ID | MS0024759 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 20, 2016 |
| Expiration date | November 30, 2021 |
| Issuing agency | MDEQ |
| Address | Osyka, MS 39657 |
| Receiving water | TANGIPAHOA RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Irving Branch-Tangipahoa River (HUC 080702050108) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 9Under a numeric limit
- 5With a violation of any kind
- 5With 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 | 3 | 3 | December 31, 2025 | 274% over the limit |
| Oxygen, dissolved [DO] | 1 | 2 | 2 | December 31, 2024 | 27% over the limit |
| BOD, 5-day, percent removal | 1 | 2 | 2 | December 31, 2024 | 124% over the limit |
| pH | 2 | 1 | 1 | December 31, 2024 | |
| Chlorine, total residual | 2 | 1 | 1 | December 31, 2011 | 5% over the limit |
| BOD, 5-day, 20 deg. C | 8 | 0 | 0 | ||
| Solids, total suspended | 8 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 8 | 0 | 0 | ||
| Coliform, fecal general | 2 | 0 | 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 MS0024759.
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, MS0024759.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 MS0024759 there.
Nearby on the register
- Discharge permits in Osyka
- Every permit record in Osyka, A to Z
- Discharge permits in Mississippi
- Every permit record in Mississippi, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.