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Clean Water Act discharge permit · NPDES TXR040937

PORTER MUD MS4, Porter, TX: NPDES TXR040937 discharge permit, effluent exceedances, inspections, penalties

PORTER MUD MS4, held by PORTER MUD, holds NPDES permit TXR040937. EPA’s file records it issued August 24, 2026 and expiring August 14, 2029.

PORTER MUD MS4, Porter, Texas: Coverage under a general permit TXR040937, held by PORTER MUD; Effective; issued August 24, 2026, term to August 14, 2029, by TCEQ.

Other permits held by PORTER MUD

Other permits in Porter

  • 50 AC HENDRICKS TRACT, Porter: TXR1504UT, minor permit, discharging to LAKE HOUSTON, permit term to March 4, 2028
  • 50 AC HENDRICKS TRACT, Porter: TXR1563QC, minor permit, discharging to 1002, permit term to March 4, 2028
  • AMAZONCOM SERVICES HHO3, Porter: TXR05GU31, minor permit, permit term to August 13, 2026
  • AZALEA DISTRICT SECTION 7, Porter: TXR1553XO, minor permit, discharging to WHITE OAK CREEK, permit term to March 4, 2028
  • AZALEA SECTION 7, Porter: TXR1504XI, minor permit, discharging to WHITE OAK CREEK, permit term to March 4, 2028
  • BENS BRANCH TRIBUTARY NO 2 DRAINAGE IMPRVTS, Porter: TXR1561OJ, minor permit, discharging to LAKE HOUSTON, permit term to March 4, 2028
  • BENS BRANCH TRIBUTARY NO2, Porter: TXR1529NX, minor permit, discharging to SAN JACINTO WEST FORK, permit term to March 4, 2028
  • BIDDLE OFFICE WAREHOUSE, Porter: TXR1554MZ, minor permit, discharging to WEST FORK SAN JACINTO RIVER, permit term to March 4, 2028
  • BLACK BRANCH WWTP, Porter: TX0139670, minor permit, discharging to San Jacinto River, permit term to August 19, 2025
  • BOBCAT PORTER, Porter: TXR1595PQ, minor permit, discharging to BENS BRANCH, permit term to March 4, 2028

What the register holds for PORTER MUD MS4: its NPDES ID, its permit type and status, its dates, its address in Porter, Texas. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR040937.

Identity

Facility as filedPORTER MUD MS4
Permittee as filedPORTER MUD
NPDES IDTXR040937
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 24, 2026
Expiration dateAugust 14, 2029
Issuing agencyTCEQ
AddressPorter, TX 77365

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR040937.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR040937.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR040937.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES TXR040937.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES TXR040937 for PORTER MUD MS4 in Porter, TX, held by PORTER MUD, with Effective permit status and Minor discharger class. The register lists 0 pollutants on file, 0 under a numeric limit, 0 with a violation of any kind, and 0 with an effluent exceedance.