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Clean Water Act discharge permit · NPDES TXR1521XM

HAYES ELEMENTARY, Katy, TX: NPDES TXR1521XM discharge permit, effluent exceedances, inspections, penalties

HAYES ELEMENTARY, held by Stewart Builders, LLC, holds NPDES permit TXR1521XM, which discharges to Buffalo Bayou / Barker Reservoir. EPA’s file records it issued February 27, 2026 and expiring March 4, 2028.

HAYES ELEMENTARY, Katy, Texas: Coverage under a general permit TXR1521XM, held by Stewart Builders, LLC; Construction stormwater; Effective; issued February 27, 2026, term to March 4, 2028; discharges to BUFFALO BAYOU / BARKER RESERVOIR.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 19,243 were issued before TXR1521XM. Stewart Builders, LLC holds 8 permits in Texas.

Other permits held by Stewart Builders, LLC

Coverages issued nearest TXR1521XM

HAYES ELEMENTARY among its neighbors

EPA’s permit file holds 113 discharge permits in the Barker Reservoir-Buffalo Bayou subwatershed (HUC 120401040104), TXR1521XM among them. Its county holds 4,455, 195 of them major permits; TXR1521XM is a minor permit.

Other permits in the Barker Reservoir-Buffalo Bayou subwatershed (HUC 120401040104)

What the register holds for HAYES ELEMENTARY: its NPDES ID, its permit type and status, its dates, its address in Katy, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1521XM.

Identity

Facility as filedHAYES ELEMENTARY
Permittee as filedStewart Builders, LLC
NPDES IDTXR1521XM
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedFebruary 27, 2026
Expiration dateMarch 4, 2028
AddressKaty, TX 77450
Receiving waterBUFFALO BAYOU / BARKER RESERVOIR
SubwatershedBarker Reservoir-Buffalo Bayou (HUC 120401040104)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1521XM.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1521XM.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1521XM.

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 TXR1521XM.

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, TXR1521XM.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
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Nearby on the register

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

What this page shows

HAYES ELEMENTARY is one of 2,031 storm water construction permits on EPA's NPDES register in Harris County. Of all 2,022 storm water construction permits in Harris County, 78.9% have an earlier issue date than this permit. The permit is one of 113 NPDES permits in the Barker Reservoir-Buffalo Bayou subwatershed.