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Clean Water Act discharge permit · NPDES TXR1580WB

EXPANSION TO GARDNER GLASS REALCO, Huntsville, TX: NPDES TXR1580WB discharge permit, effluent exceedances, inspections, penalties

EXPANSION TO GARDNER GLASS REALCO, held by Denmar Commercial Construction Company, LLC, holds NPDES permit TXR1580WB, which discharges to Winters Bayou. EPA’s file records it issued October 8, 2025 and expiring March 4, 2028.

EXPANSION TO GARDNER GLASS REALCO, Huntsville, Texas: Coverage under a general permit TXR1580WB, held by Denmar Commercial Construction Company, LLC; Construction stormwater; Effective; issued October 8, 2025, term to March 4, 2028; discharges to WINTERS BAYOU.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 16,308 were issued before TXR1580WB. Denmar Commercial Construction Company, LLC holds 9 permits in Texas.

Other permits held by Denmar Commercial Construction Company, LLC

Coverages issued nearest TXR1580WB

EXPANSION TO GARDNER GLASS REALCO among its neighbors

EPA’s permit file holds 12 discharge permits in the Gourd Creek-Winters Bayou subwatershed (HUC 120401030302), TXR1580WB among them. Its county holds 158, 4 of them major permits; TXR1580WB is a minor permit.

Other permits in the Gourd Creek-Winters Bayou subwatershed (HUC 120401030302)

What the register holds for EXPANSION TO GARDNER GLASS REALCO: its NPDES ID, its permit type and status, its dates, its address in Huntsville, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1580WB.

Identity

Facility as filedEXPANSION TO GARDNER GLASS REALCO
Permittee as filedDenmar Commercial Construction Company, LLC
NPDES IDTXR1580WB
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedOctober 8, 2025
Expiration dateMarch 4, 2028
AddressHuntsville, TX 77340
Receiving waterWINTERS BAYOU
SubwatershedGourd Creek-Winters Bayou (HUC 120401030302)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1580WB.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1580WB.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1580WB.

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 TXR1580WB.

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, TXR1580WB.

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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

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Nearby on the register

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

What this page shows

EXPANSION TO GARDNER GLASS REALCO is one of 12 NPDES permits in the Gourd Creek-Winters Bayou subwatershed. Of the 120 storm water construction permits in Walker County, 60.0% have an earlier issue date than this permit.