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Clean Water Act discharge permit · NPDES TXR1529VT

MOSTYN MANOR SECTION 12, Montgomery, TX: NPDES TXR1529VT discharge permit, effluent exceedances, inspections, penalties

MOSTYN MANOR SECTION 12, held by Sequeira Civil Construction LLC, holds NPDES permit TXR1529VT, which discharges to Lake Creek. EPA’s file records it issued September 4, 2025 and expiring March 4, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedMOSTYN MANOR SECTION 12
Permittee as filedSequeira Civil Construction LLC
NPDES IDTXR1529VT
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedSeptember 4, 2025
Expiration dateMarch 4, 2028
AddressMontgomery, TX 77354
Receiving waterLAKE CREEK
SubwatershedLandrum Creek-Lake Creek (HUC 120401010307)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1529VT.

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

DateWhat EPA recordedAgency
May 22, 2026Permit Violations - Violation Specified in CommentST6

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.

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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 TXR1529VT there.

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit TXR1529VT for MOSTYN MANOR SECTION 12 in Montgomery, TX, held by Sequeira Civil Construction LLC, a minor discharger under a construction stormwater program with an effective status, issued September 4, 2025 and expiring March 4, 2028, discharging to LAKE CREEK in the Landrum Creek-Lake Creek watershed (HUC 120401010307). The page lists 0 pollutants on file, 0 under a numeric limit, and 0 with an effluent exceedance.