Clean Water Act discharge permit · NPDES MS0047791
DELTA BRANCH EXPERIMENT STATION, Stoneville, MS: NPDES MS0047791 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
DELTA BRANCH EXPERIMENT STATION, held by NATIONAL WARMWATER AQUACULTURAL CENTER, DELTA BRANCH EXPERIMENT STATION, THE, holds NPDES permit MS0047791, which discharges to Deer Creek. EPA’s file records it issued August 20, 2012 and expiring July 31, 2017. 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 | DELTA BRANCH EXPERIMENT STATION |
|---|---|
| Permittee as filed | NATIONAL WARMWATER AQUACULTURAL CENTER, DELTA BRANCH EXPERIMENT STATION, THE |
| NPDES ID | MS0047791 |
| 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 | August 20, 2012 |
| Expiration date | July 31, 2017 |
| Address | Stoneville, MS 38776 |
| Receiving water | DEER CREEK |
| NAICS | 112511 – Finfish Farming and Fish Hatcheries |
| SIC | 0273 – Animal Aquaculture |
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
- 15Pollutants on file
- 12Under a numeric limit
- 15With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 2 | 38 | 10 | April 30, 2020 | 650% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 34 | 10 | March 31, 2023 | 247% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 68 | 8 | June 30, 2026 | 2,818% over the limit |
| Chlorine, total residual | 4 | 68 | 8 | July 31, 2018 | 400% over the limit |
| E. coli | 0 | 3 | 1 | August 31, 2025 | 99% over the limit |
| Solids, total suspended | 4 | 60 | 0 | ||
| Oil & Grease | 0 | 44 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 40 | 0 | ||
| pH | 2 | 30 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 30 | 0 | ||
| Nitrogen, total [as N] | 4 | 28 | 0 | ||
| Nitrite + Nitrate total [as N] | 4 | 26 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 4 | 24 | 0 | ||
| Phosphorus, total [as P] | 4 | 24 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 15 | 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 MS0047791.
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, MS0047791.
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- One watershed — $2,990/year
- One state — $4,990/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 MS0047791 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.