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Clean Water Act discharge permit · NPDES TXR1586ZB

IU HERITAGE BUILDINGS 4 5 & 6, Katy, TX: NPDES TXR1586ZB discharge permit, effluent exceedances, inspections, penalties

IU HERITAGE BUILDINGS 4 5 & 6, held by Urban Construction Southwest Inc., holds NPDES permit TXR1586ZB, which discharges to Willow Fork Buffalo Bayou/Buffalo Bayou/Barker Res. EPA’s file records it issued August 6, 2026 and expiring March 4, 2028.

IU HERITAGE BUILDINGS 4 5 & 6, Katy, Texas: Coverage under a general permit TXR1586ZB, held by Urban Construction Southwest Inc.; Construction stormwater; Effective; issued August 6, 2026, term to March 4, 2028; discharges to WILLOW FORK BUFFALO BAYOU/BUFFALO BAYOU/BARKER RES.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 23,112 were issued before TXR1586ZB. Urban Construction Southwest Inc. holds 19 permits in Texas.

Other permits held by Urban Construction Southwest Inc.

Coverages issued nearest TXR1586ZB

IU HERITAGE BUILDINGS 4 5 & 6 among its neighbors

EPA’s permit file holds 78 discharge permits in the Willow Fork subwatershed (HUC 120401040101), TXR1586ZB among them. Its county holds 314, 3 of them major permits; TXR1586ZB is a minor permit.

Other permits in the Willow Fork subwatershed (HUC 120401040101)

  • 04913-1000 KATY SAMS CLUB, Katy: TXR1587VN, minor permit, discharging to WILLOW FORK, permit term to March 4, 2028
  • ALTIUM PACKAGING, Katy: TXR05EX90, minor permit, permit term to August 13, 2026
  • AWRY READY MIX CONCRETE, Brookshire: TXG113277, minor permit, permit term to November 6, 2026
  • AZALEA, Brookshire: TXR1501XE, minor permit, discharging to WILLOW FORK BUFFALO BAYOU, permit term to March 4, 2028
  • AZALEA, Brookshire: TXR1514XJ, minor permit, discharging to WILLOW FORK BUFFALO BAYOU 1014I, permit term to March 4, 2028
  • BAKER STEEL, Katy: TXR05FA52, minor permit, permit term to August 13, 2026
  • BERNARD CONTROLS, Katy: TXRNECQ05, minor permit, permit term to August 13, 2026
  • BLUEBONNET - LAND DEVELOPMENT, Brookshire: TXR1525YB, minor permit, discharging to BROOKSHIRE CREEK 1202G, permit term to March 4, 2028
  • BLUEBONNET - LAND DEVELOPMENT, Brookshire: TXR1572YB, minor permit, discharging to BROOKSHIRE CREEK 1202G, permit term to March 4, 2028
  • CEMEX KATY PLANT, Katy: TXG110920, minor permit, permit term to November 7, 2011

What the register holds for IU HERITAGE BUILDINGS 4 5 & 6: 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 TXR1586ZB.

Identity

Facility as filedIU HERITAGE BUILDINGS 4 5 & 6
Permittee as filedUrban Construction Southwest Inc.
NPDES IDTXR1586ZB
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedAugust 6, 2026
Expiration dateMarch 4, 2028
AddressKaty, TX 77493
Receiving waterWILLOW FORK BUFFALO BAYOU/BUFFALO BAYOU/BARKER RES
SubwatershedWillow Fork (HUC 120401040101)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1586ZB.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1586ZB.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1586ZB.

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 TXR1586ZB.

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, TXR1586ZB.

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Nearby on the register

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

What this page shows

The IU HERITAGE BUILDINGS 4 5 & 6 storm water construction permit, NPDES ID TXR1586ZB, is one of 208 such permits in Waller County, Texas, this one included. It sits among 78 NPDES permits in the Willow Fork subwatershed, this one included. Of the 208 Waller County storm water construction permits, 0.5% have a violation on file, and this permit has none of the recorded pollutant limit or effluent exceedance counts.