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Clean Water Act discharge permit · NPDES TXRNECO21

HIGH TECHNOLOGY MACHINE SHOP, Houston, TX: NPDES TXRNECO21 discharge permit, effluent exceedances, inspections, penalties

HIGH TECHNOLOGY MACHINE SHOP, held by High Technology Machine Shop Inc, holds NPDES permit TXRNECO21. EPA’s file records it issued September 23, 2025 and expiring August 13, 2026.

HIGH TECHNOLOGY MACHINE SHOP, Houston, Texas: Coverage under a general permit TXRNECO21, held by High Technology Machine Shop Inc; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued September 23, 2025, term to August 13, 2026.

Texas holds 8,480 Industrial stormwater coverages of this permit type in EPA’s file; 7,144 were issued before TXRNECO21.

Coverages issued nearest TXRNECO21

  • September 23, 2025: BREAUX MACHINE WORKS, Tomball, TXR05GV08, held by Rotating Machinery Services, Inc.
  • September 23, 2025: LAMESA TEXAS FACILITY, Lamesa, TXR05GV09, held by U.S. Silica Energy Company
  • September 23, 2025: 36 PIT, Quinlan, TXR05GV10, held by 36 Sand & Gravel Materials, LLC
  • September 23, 2025: EL TEXANO USED AUTO PARTS, Donna, TXR05GV11, held by El Texano Used Auto Parts
  • September 23, 2025: PHILLIPS SINGS, Grand Prairie, TXRNECO20, held by Brdecka Enterprises LLC
  • September 23, 2025: WELLASCENT TECHNOLOGIES USA, Grand Prairie, TXRNECO22, held by Wellascent Technologies USA LLC
  • September 23, 2025: HYDRAULICS, Fort Worth, TXRNECO23, held by Hydraulics, Inc.
  • September 23, 2025: LINEAGE, Fort Worth, TXRNECO24, held by Lineage Logistics Services, LLC
  • September 24, 2025: SCREENFAB, Irving, TXRNECO25, held by Screenfab, L.L.C.
  • September 24, 2025: SELECT MILLWORK, Irving, TXRNECO26, held by Beowulf Acquisitions LLC

HIGH TECHNOLOGY MACHINE SHOP among its neighbors

EPA’s permit file holds 309 discharge permits in the Cole Creek-Whiteoak Bayou subwatershed (HUC 120401040302), TXRNECO21 among them. Its county holds 4,455, 195 of them major permits; TXRNECO21 is a minor permit.

Other permits in the Cole Creek-Whiteoak Bayou subwatershed (HUC 120401040302)

What the register holds for HIGH TECHNOLOGY MACHINE SHOP: its NPDES ID, its permit type and status, its dates, its address in Houston, Texas. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXRNECO21.

Identity

Facility as filedHIGH TECHNOLOGY MACHINE SHOP
Permittee as filedHigh Technology Machine Shop Inc
NPDES IDTXRNECO21
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedSeptember 23, 2025
Expiration dateAugust 13, 2026
AddressHouston, TX 77092
SubwatershedCole Creek-Whiteoak Bayou (HUC 120401040302)
SIC3499 – Fabricated Metal Products

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXRNECO21.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXRNECO21.

Inspections

EPA’s inspection file holds no inspection for NPDES TXRNECO21.

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 TXRNECO21.

Watch this permit

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

The HIGH TECHNOLOGY MACHINE SHOP storm water industrial permit (NPDES ID TXRNECO21) is one of 1,284 such permits on EPA's register in Harris County, and 0.9% of those permits carry a violation on file. Among the 309 NPDES permits in the Cole Creek-Whiteoak Bayou subwatershed, this one is included, and the permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance, both counted as 0.