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Clean Water Act discharge permit · NPDES TXR1563UN

PASADENA ISD WILLIAMS ES, Houston, TX: NPDES TXR1563UN discharge permit, effluent exceedances, inspections, penalties

PASADENA ISD WILLIAMS ES, held by Drymalla Construction Company, LLC, holds NPDES permit TXR1563UN, which discharges to Berry Bayou. EPA’s file records it issued May 8, 2025 and expiring March 4, 2028.

PASADENA ISD WILLIAMS ES, Houston, Texas: Coverage under a general permit TXR1563UN, held by Drymalla Construction Company, LLC; Construction stormwater; Effective; issued May 8, 2025, term to March 4, 2028; discharges to BERRY BAYOU.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 13,221 were issued before TXR1563UN. Drymalla Construction Company, LLC holds 18 permits in Texas.

Other permits held by Drymalla Construction Company, LLC

Coverages issued nearest TXR1563UN

PASADENA ISD WILLIAMS ES among its neighbors

EPA’s permit file holds 301 discharge permits in the Vince Bayou-Buffalo Bayou subwatershed (HUC 120401040703), TXR1563UN among them. Its county holds 4,455, 195 of them major permits; TXR1563UN is a minor permit.

Other permits in the Vince Bayou-Buffalo Bayou subwatershed (HUC 120401040703)

  • 019-HOU3-22 HOUSTON CONCRETE SILOS, Houston: TXR1594NZ, minor permit, discharging to HOUSTON SHIP CHANNEL/BUFFALO BAYOU TIDAL, permit term to March 4, 2028
  • 1111 FANNIN, Houston: TXR1556LZ, minor permit, permit term to March 4, 2028
  • 225 RAIL YARD, Pasadena: TXR15425W, minor permit, discharging to HOUSTON SHIP CHANNEL/BUFFALO BAYOU TIDAL, permit term to March 4, 2023
  • 500 MAYO SHELL ROAD, Galena Park: TXR05GS62, minor permit, permit term to August 13, 2026
  • 69TH ST WWTP, Houston: TX0096172, major permit, discharging to Buffalo Bayou, permit term to September 1, 2002
  • 8815 MISSISSIPPI, Houston: TXR05GD86, minor permit, permit term to August 13, 2026
  • 8825 MISSISSIPPI STREET, Houston: TXR05GE47, minor permit, permit term to August 13, 2026
  • A AND A METALS, Houston: TXRNEBJ94, minor permit, permit term to August 13, 2026
  • AEI RED BLUFF, Pasadena: TXRNECR17, minor permit, permit term to August 13, 2026
  • AES DEEPWATER COGENERATION PLA, Pasadena: TX0128830, minor permit, discharging to UNNAMED DITCH, VINCE BAYOU TIDAL PO, permit term to September 1, 2017

What the register holds for PASADENA ISD WILLIAMS ES: 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 TXR1563UN.

Identity

Facility as filedPASADENA ISD WILLIAMS ES
Permittee as filedDrymalla Construction Company, LLC
NPDES IDTXR1563UN
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMay 8, 2025
Expiration dateMarch 4, 2028
AddressHouston, TX 77017
Receiving waterBERRY BAYOU
SubwatershedVince Bayou-Buffalo Bayou (HUC 120401040703)
SIC1542 – Nonresidential Construction

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1563UN.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1563UN.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1563UN.

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 TXR1563UN.

Watch this permit

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Nearby on the register

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

What this page shows

PASADENA ISD WILLIAMS ES 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, this one is included in the 49.0% that have an earlier issue date than this permit. The permit is one of 288 NPDES permits in the Vince Bayou-Buffalo Bayou subwatershed.