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Clean Water Act discharge permit · NPDES TXR1538WC

HORIZON LAKES, Mclendonchisholm, TX: NPDES TXR1538WC discharge permit, effluent exceedances, inspections, penalties

HORIZON LAKES, held by Toll Southwest LLC, holds NPDES permit TXR1538WC, which discharges to Long Branch. EPA’s file records it issued October 10, 2025 and expiring March 4, 2028.

HORIZON LAKES, Mclendonchisholm, Texas: Coverage under a general permit TXR1538WC, held by Toll Southwest LLC; Construction stormwater; Effective; issued October 10, 2025, term to March 4, 2028; discharges to LONG BRANCH.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 16,343 were issued before TXR1538WC. Toll Southwest LLC holds 12 permits in Texas.

Other permits held by Toll Southwest LLC

Coverages issued nearest TXR1538WC

HORIZON LAKES among its neighbors

EPA’s permit file holds 86 discharge permits in the Long Branch-Buffalo Creek subwatershed (HUC 120301060502), TXR1538WC among them. Its county holds 219, 3 of them major permits; TXR1538WC is a minor permit.

Other permits in the Long Branch-Buffalo Creek subwatershed (HUC 120301060502)

  • AGAVE WIRE, Rockwall: TXRNEBR38, minor permit, permit term to August 13, 2026
  • BRISTOL VALLEY - HOME BUILDING, Heath: TXR1558WT, minor permit, discharging to BUFFALO CREEK, permit term to March 4, 2028
  • BRISTOL VALLEY HOMEBUILDING, Heath: TXR1585WY, minor permit, discharging to LONG BRANCH, permit term to March 4, 2028
  • BRISTOL VALLEY OFFSITE, Heath: TXR1583VA, minor permit, discharging to LONG BRANCH, permit term to March 4, 2028
  • BRISTOL VALLEY PHASE 1, Heath: TXR1507SF, minor permit, discharging to TRIBUTARY OF LONG BRANCH, permit term to March 4, 2028
  • BRISTOL VALLEY PHASE 1, Heath: TXR1512SF, minor permit, discharging to TRIBUTARY OF LONG BEACH, permit term to March 4, 2028
  • BRISTOL VALLEY PHASE 1, Heath: TXR1533UO, minor permit, discharging to TRIBUTARY OF LONG BRANCH, permit term to March 4, 2028
  • BUFFALO CREEK WWTP, Rockwall: TX0066401, minor permit, discharging to BUFFALO CREEK; EAST FORK TRINITY RV, permit term to October 1, 2011
  • BUFFALO CREEK WWTP, Rockwall: TX0078565, major permit, discharging to BUFFALO CREEK; E FORK TRINITY RIVER, permit term to October 1, 2021
  • CHANNELL ROCKWALL TEXAS, Rockwall: TXR05GV92, minor permit, permit term to August 13, 2026

What the register holds for HORIZON LAKES: its NPDES ID, its permit type and status, its dates, its address in Mclendonchisholm, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1538WC.

Identity

Facility as filedHORIZON LAKES
Permittee as filedToll Southwest LLC
NPDES IDTXR1538WC
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedOctober 10, 2025
Expiration dateMarch 4, 2028
AddressMclendonchisholm, TX 75032
Receiving waterLONG BRANCH
SubwatershedLong Branch-Buffalo Creek (HUC 120301060502)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1538WC.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1538WC.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1538WC.

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 TXR1538WC.

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, TXR1538WC.

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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

HORIZON LAKES is one of 189 storm water construction permits in Rockwall County, and 0.5% of those permits have a violation on file. The permit was issued earlier than 64.0% of the other storm water construction permits in the county, and it has no pollutants under a numeric limit or effluent exceedances recorded.