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Clean Water Act discharge permit · NPDES TXR040300

GRAND LAKES MUD 1 MS4, Houston, TX: NPDES TXR040300 discharge permit, effluent exceedances, inspections, penalties

GRAND LAKES MUD 1 MS4, held by Grand Lakes Municipal Utility District 1, holds NPDES permit TXR040300, which discharges to Little Prong Creek. EPA’s file records it issued March 24, 2023 and expiring January 23, 2024. 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 GRAND LAKES MUD 1 MS4: its NPDES ID, its permit type and status, its dates, its address in Houston, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR040300.

Identity

Facility as filedGRAND LAKES MUD 1 MS4
Permittee as filedGrand Lakes Municipal Utility District 1
NPDES IDTXR040300
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramSmall municipal storm sewer systems
IssuedMarch 24, 2023
Expiration dateJanuary 23, 2024
Issuing agencyTCEQ
AddressHouston, TX 77056
Receiving waterLITTLE PRONG CREEK
SubwatershedBarker Reservoir-Buffalo Bayou (HUC 120401040104)
SIC9511 – Air, Water, & Solid Waste Management

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

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR040300.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR040300.

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, TXR040300.

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How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 TXR040300 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

The Grand Lakes MUD 1 MS4 permit is one of 45 Storm Water Small MS4s permits in Fort Bend County, and 2.2% of those permits have a violation on file. The permit has no pollutants under a numeric limit and no pollutants with an effluent exceedance, and it sits among 113 NPDES permits in the Barker Reservoir-Buffalo Bayou subwatershed. Of the 45 county permits, 4.4% carry an earlier issue date than this one.