Clean Water Act discharge permit · NPDES TXR1501ZF
GP NORTHWEST, Tomball, TX: NPDES TXR1501ZF discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
GP NORTHWEST, held by Prime Horse Power, LLC, holds NPDES permit TXR1501ZF, which discharges to Willow Creek. EPA’s file records it issued August 20, 2026 and expiring March 4, 2028.
GP NORTHWEST, Tomball, Texas: Coverage under a general permit TXR1501ZF, held by Prime Horse Power, LLC; Construction stormwater; Effective; issued August 20, 2026, term to March 4, 2028; discharges to WILLOW CREEK.
Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 23,453 were issued before TXR1501ZF.
Coverages issued nearest TXR1501ZF
- August 19, 2026: OLD HOWARD ROAD WENDLAND ROAD AND NORTHLINK DRIVE, Temple, TXR1585ZE, held by PATIN CONSTRUCTION LLC
- August 19, 2026: AISD ANDREWS ELEMENTARY SCHOOL, Austin, TXR1586ZE, held by Rogers-O'Brien Construction Company, LLC
- August 19, 2026: TXDOT-LFK-2116-01-024, Nacogdoches, TXR1587ZE, held by Drewery Construction Company, Incorporated
- August 19, 2026: 1301 PECAN ST, Pflugerville, TXR1588ZE, held by Paragon Sports Constructors, Inc.
- August 19, 2026: 5363 FARM, Waelder, TXR1589ZE, held by 5363 Farms LLC
- August 20, 2026: PICASSO PASS PHASE 2 AND ARTAVIA SEC 37, Conroe, TXR1502ZF, held by Blazey Construction Services, Inc.
- August 20, 2026: WOODLAND LAKES SECTION 10, Huffman, TXR1503ZF, held by Beyer Construction, LLC
- August 20, 2026: BERKSHIRE ESTATES PH 4, Mesquite, TXR1504ZF, held by Oak National Development, LLC
- August 20, 2026: PANTHER TRAIL, Van Alstyne, TXR1505ZF, held by ALTURA HOMES DFW, LP
- August 20, 2026: TXDOT-LFK-3110-01-003, Crockett, TXR1506ZF, held by Texas Department of Transportation
GP NORTHWEST among its neighbors
Its county holds 4,455, 195 of them major permits; TXR1501ZF is a minor permit.
Other permits in the county
- 019-HOU3-22 HOUSTON CONCRETE SILOS, Houston: TXR1594NZ, minor permit, discharging to HOUSTON SHIP CHANNEL/BUFFALO BAYOU TIDAL, permit term to March 4, 2028
- 04868-1000 TOMBALL SAMS CLUB, Tomball: TXR1507VM, minor permit, discharging to WILLOW CREEK, permit term to March 4, 2028
- 04868-1000 TOMBALL SAMS CLUB, Tomball: TXR1563VQ, minor permit, discharging to WILLOW CREEK, permit term to March 4, 2028
- 10 055SF SHELL, Katy: TXR1598RM, minor permit, discharging to SOUTH MAYDE CREEK, permit term to March 4, 2028
- 10.1 ACRES ATASCOCITA RD, Humble: TXR1501OH, minor permit, discharging to GARNERS BAYOU, permit term to March 4, 2028
- 105 FARISH CIRCLE, Houston: TXR1583PJ, minor permit, discharging to BUFFALO BAYOU TIDAL, permit term to March 4, 2028
- 10910 GLEN HOLLOW, Houston: TXR1588SI, minor permit, discharging to SIMS BAYOU ABOVE TIDAL, permit term to March 4, 2028
- 1105 DEMOLITION, Houston: TXR1588SX, minor permit, discharging to RUMMEL CREEK, permit term to March 4, 2028
- 1111 FANNIN, Houston: TXR1556LZ, minor permit, permit term to March 4, 2028
- 11116 BELLAIRE BLVD, Houston: TXR1516PK, minor permit, discharging to BRAYS BAYOU ABOVE TIDAL, permit term to March 4, 2028
What the register holds for GP NORTHWEST: its NPDES ID, its permit type and status, its dates, its address in Tomball, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1501ZF.
Identity
| Facility as filed | GP NORTHWEST |
|---|---|
| Permittee as filed | Prime Horse Power, LLC |
| NPDES ID | TXR1501ZF |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | August 20, 2026 |
| Expiration date | March 4, 2028 |
| Address | Tomball, TX 77377 |
| Receiving water | WILLOW CREEK |
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1501ZF.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1501ZF.
Inspections
EPA’s inspection file holds no inspection for NPDES TXR1501ZF.
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 TXR1501ZF.
Watch this permit
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.