Clean Water Act discharge permit · NPDES MSR108334
PORTER CONSTRUCTION MS LLC, TWIN LAKES SUBDIVISION, Mount Pleasant, MS: NPDES MSR108334 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
PORTER CONSTRUCTION MS LLC, TWIN LAKES SUBDIVISION, held by Porter Construction MS LLC, Twin Lakes Subdivision, holds NPDES permit MSR108334. EPA’s file records it issued February 20, 2025 and expiring January 31, 2027. 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.
What the register holds for PORTER CONSTRUCTION MS LLC, TWIN LAKES SUBDIVISION: its NPDES ID, its permit type and status, its dates, its address in Mount Pleasant, Mississippi. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MSR108334.
Identity
| Facility as filed | PORTER CONSTRUCTION MS LLC, TWIN LAKES SUBDIVISION |
|---|---|
| Permittee as filed | Porter Construction MS LLC, Twin Lakes Subdivision |
| NPDES ID | MSR108334 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | February 20, 2025 |
| Expiration date | January 31, 2027 |
| Issuing agency | MDEQ |
| Address | Mount Pleasant, MS 38649 |
| Subwatershed | Lee Creek-Coldwater River (HUC 080302040105) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 1521 – Single-Family Housing Construction |
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
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES MSR108334.
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 MSR108334.
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, MSR108334.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/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 MSR108334 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.