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Clean Water Act discharge permit · NPDES TXR05HA81

HOPKINS HOT MIX PLANT, Corpus Christi, TX: NPDES TXR05HA81 discharge permit, effluent exceedances, inspections, penalties

HOPKINS HOT MIX PLANT, held by Texas Materials Group, Inc., holds NPDES permit TXR05HA81. EPA’s file records it issued June 22, 2026 and expiring August 13, 2026.

HOPKINS HOT MIX PLANT, Corpus Christi, Texas: Coverage under a general permit TXR05HA81, held by Texas Materials Group, Inc.; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued June 22, 2026, term to August 13, 2026; Asphalt Paving Mixture and Block Manufacturing.

Texas holds 8,480 Industrial stormwater coverages of this permit type in EPA’s file; 7,944 were issued before TXR05HA81. Texas Materials Group, Inc. holds 154 permits in Texas.

Other permits held by Texas Materials Group, Inc.

Coverages issued nearest TXR05HA81

  • June 19, 2026: THIRD STREE PLANT, Weatherford, TXRNECR26, held by Weatherford Aerospace, LLC
  • June 22, 2026: QUANTIX SCS, Highlands, TXR05HA77, held by Quantix Scs, Llc
  • June 22, 2026: GREGORY HOT MIX ASPHALT PLANT, Gregory, TXR05HA78, held by Texas Materials Group, Inc.
  • June 22, 2026: ROBSTOWN HOT MIX ASPHALT PLANT, Robstown, TXR05HA79, held by Texas Materials Group, Inc.
  • June 22, 2026: BAY YARD, Corpus Christi, TXR05HA80, held by Texas Materials Group, Inc.
  • June 22, 2026: QUIKSERV, Houston, TXRNECR27, held by Quikserv Inc.
  • June 22, 2026: SOUTH HILLS, Fort Worth, TXRNECR28, held by Specialty Packaging, Inc.
  • June 23, 2026: TUCKER FUEL & OIL, Hutchins, TXR05HA82, held by Tucker Fuel & Oil, Co.
  • June 23, 2026: GC DATA CENTER GRANBURY, Granbury, TXR05HA83, held by Marathon Digital Holdings, Inc.
  • June 23, 2026: SVTRONICS, Garland, TXRNECR29, held by SVTRONICS, INC.

HOPKINS HOT MIX PLANT among its neighbors

EPA’s permit file holds 69 discharge permits in the Corpus Christi International Airport-Oso Creek subwatershed (HUC 121102020103), TXR05HA81 among them. Its county holds 317, 24 of them major permits; TXR05HA81 is a minor permit.

Other permits in the Corpus Christi International Airport-Oso Creek subwatershed (HUC 121102020103)

What the register holds for HOPKINS HOT MIX PLANT: its NPDES ID, its permit type and status, its dates, its address in Corpus Christi, Texas. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR05HA81.

Identity

Facility as filedHOPKINS HOT MIX PLANT
Permittee as filedTexas Materials Group, Inc.
NPDES IDTXR05HA81
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
IssuedJune 22, 2026
Expiration dateAugust 13, 2026
AddressCorpus Christi, TX 78409
SubwatershedCorpus Christi International Airport-Oso Creek (HUC 121102020103)
NAICS324121 – Asphalt Paving Mixture and Block Manufacturing
SIC2951 – Asphalt Paving Mixtures And Blocks

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR05HA81.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR05HA81.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR05HA81.

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 TXR05HA81.

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

HOPKINS HOT MIX PLANT is one of 99 storm water industrial permits on EPA's NPDES register in Nueces County, and 90.9% of those permits have an earlier issue date than this permit. The permit has no pollutants under a numeric limit and no pollutants with an effluent exceedance, while 1.0% of the 99 storm water industrial permits in Nueces County have a violation on file.