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Clean Water Act discharge permit · NPDES TXR1554ZI

NORTHPORT 10, Northlake, TX: NPDES TXR1554ZI discharge permit, effluent exceedances, inspections, penalties

NORTHPORT 10, held by Hillwood Alliance Services, LLC, holds NPDES permit TXR1554ZI, which discharges to Catherine Branch. EPA’s file records it issued September 3, 2026 and expiring March 4, 2028.

NORTHPORT 10, Northlake, Texas: Coverage under a general permit TXR1554ZI, held by Hillwood Alliance Services, LLC; Construction stormwater; Pending; issued September 3, 2026, term to March 4, 2028; discharges to CATHERINE BRANCH.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 23,799 were issued before TXR1554ZI. Hillwood Alliance Services, LLC holds 5 permits in Texas.

Other permits held by Hillwood Alliance Services, LLC

Coverages issued nearest TXR1554ZI

NORTHPORT 10 among its neighbors

Its county holds 1,238, 16 of them major permits; TXR1554ZI is a permit EPA has not classed major or minor.

Other permits in the county

  • 0081-03-048 DCAO, Roanoak: TXR1556CH, minor permit, discharging to CADE BRANCH, permit term to March 4, 2023
  • 042-3271 MCDONALDS, Denton: TXR1514WL, minor permit, discharging to PECAN CREEK, permit term to March 4, 2028
  • 06068-1004 SANGER TX WAL-MART DISTRIBUTION CENTER, Denton: TXR1555RK, minor permit, discharging to RAY ROBERT LAKE, permit term to March 4, 2028
  • 1 UNITED VOLLEYBALL CENTER, Prosper: TXR1561VJ, minor permit, discharging to UNNAMED TRIBUTARY OF DOE BRANCH, permit term to March 4, 2028
  • 100 DOBBS ROAD, Denton: TXR1564PY, minor permit, discharging to LEWISVILLE LAKE, permit term to March 4, 2028
  • 100X BRANDS, Pilot Point: TXR05GY81, minor permit, permit term to August 13, 2026
  • 100X RANCH, Pilot Point: TXR1502VQ, minor permit, discharging to UNNAMED TRIBUTARY OF PECAN CREEK, permit term to March 4, 2028
  • 1071 BROWNING ROAD, Argyle: TXR1580VS, minor permit, discharging to FINCHER BRANCH, permit term to March 4, 2028
  • 10X PLANT, Northlake: TXG114189, minor permit, permit term to November 6, 2026
  • 1142 VERA COURT, Bartonville: TXR1560YI, minor permit, discharging to UNNAMED TRIBUTARY TO LOVING BRANCH, permit term to March 4, 2028

What the register holds for NORTHPORT 10: its NPDES ID, its permit type and status, its dates, its address in Northlake, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1554ZI.

Identity

Facility as filedNORTHPORT 10
Permittee as filedHillwood Alliance Services, LLC
NPDES IDTXR1554ZI
Permit statusPending
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedSeptember 3, 2026
Expiration dateMarch 4, 2028
AddressNorthlake, TX 76247
Receiving waterCATHERINE BRANCH

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1554ZI.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1554ZI.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1554ZI.

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 TXR1554ZI.

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, TXR1554ZI.

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Nearby on the register

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

What this page shows

NORTHPORT 10 is one of 1,007 storm water construction permits on EPA's NPDES register in Denton County. Of those 1,007 permits, 99.1% have an earlier issue date than this permit, and 0.5% have a violation on file.