Clean Water Act discharge permit · NPDES MS0047520
M AND M PROCESSING LLC, Biloxi, MS: NPDES MS0047520 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
M AND M PROCESSING LLC holds NPDES permit MS0047520, which discharges to Back Bay Of Biloxi. EPA’s file records it issued March 23, 2017 and expiring February 28, 2022. 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 | M AND M PROCESSING LLC |
|---|---|
| Permittee as filed | M AND M PROCESSING LLC |
| NPDES ID | MS0047520 |
| 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 | March 23, 2017 |
| Expiration date | February 28, 2022 |
| Issuing agency | MDEQ |
| Address | Biloxi, MS 39530 |
| Receiving water | BACK BAY OF BILOXI |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 12Pollutants on file
- 12Under a numeric limit
- 12With 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 |
|---|---|---|---|---|---|
| Oxygen, dissolved [DO] | 1 | 42 | 9 | May 31, 2015 | 35% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 140 | 4 | January 31, 2023 | 18% over the limit |
| pH | 2 | 69 | 1 | September 30, 2017 | |
| Solids, total suspended | 4 | 136 | 0 | ||
| Oil & Grease | 4 | 136 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 136 | 0 | ||
| Total production - mass | 2 | 108 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 70 | 0 | ||
| Nitrogen, total [as N] | 2 | 6 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 6 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 6 | 0 | ||
| Phosphorus, total [as P] | 2 | 6 | 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 MS0047520.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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, MS0047520.
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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 MS0047520 there.
Nearby on the register
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- Every permit record in Biloxi, 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.