Clean Water Act discharge permit · NPDES MS0031542
HATTIESBURG LAUREL REGIONAL AIRPORT AUTHORITY, Moselle, MS: NPDES MS0031542 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
HATTIESBURG LAUREL REGIONAL AIRPORT AUTHORITY, held by HATTTIESBURG LAUREL REGIONAL AIRPORT AUTHORITY, holds NPDES permit MS0031542, which discharges to Unnamed Creek Then Leaf River. EPA’s file records it issued August 21, 2018 and expiring July 31, 2023. 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 | HATTIESBURG LAUREL REGIONAL AIRPORT AUTHORITY |
|---|---|
| Permittee as filed | HATTTIESBURG LAUREL REGIONAL AIRPORT AUTHORITY |
| NPDES ID | MS0031542 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 21, 2018 |
| Expiration date | July 31, 2023 |
| Issuing agency | MDEQ |
| Address | Moselle, MS 39459 |
| Receiving water | UNNAMED CREEK THEN LEAF RIVER |
| Subwatershed | Thomas Creek-Leaf River (HUC 031700040904) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 12Under a numeric limit
- 9With a violation of any kind
- 9With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 4 | 89 | 87 | September 30, 2025 | 2,765% over the limit |
| Chlorine, total residual | 4 | 69 | 66 | June 30, 2025 | 11,479% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 55 | 51 | September 30, 2025 | 2,447% over the limit |
| Solids, total suspended | 4 | 35 | 33 | March 31, 2025 | 8,122% over the limit |
| pH | 4 | 17 | 14 | March 31, 2024 | |
| E. coli | 4 | 16 | 14 | June 30, 2025 | 99,999% over the limit |
| Oxygen, dissolved [DO] | 2 | 9 | 8 | June 30, 2024 | 67% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 9 | 7 | September 30, 2024 | 120% over the limit |
| Coliform, fecal general | 0 | 6 | 4 | December 31, 2010 | 490% over the limit |
| Nitrogen, total [as N] | 4 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 4 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 4 | 0 | 0 | ||
| Phosphorus, total [as P] | 4 | 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 MS0031542.
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, MS0031542.
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- 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 MS0031542 there.
Nearby on the register
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- Every permit record in Moselle, 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.