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Clean Water Act discharge permit · NPDES TXG110171

TXI CORINTH READY MIX, Dallas, TX: NPDES TXG110171 discharge permit, effluent exceedances, inspections, penalties

TXI CORINTH READY MIX, held by TXI OPERATIONS, LP, holds NPDES permit TXG110171, which discharges to Unnamed Flood Control. EPA’s file records it issued February 2, 2017 and expiring November 7, 2021.

TXI CORINTH READY MIX, Dallas, Texas: Coverage under a general permit TXG110171, held by TXI OPERATIONS, LP; Administratively continued (past its expiration date and still in force until reissued); issued February 2, 2017, term to November 7, 2021; discharges to UNNAMED FLOOD CONTROL.

  • pH: 2 limits, 116 violations of any kind, 53 effluent exceedances, latest August 31, 2022.
  • Solids, total suspended: 1 limit, 51 violations of any kind, 23 effluent exceedances, latest July 31, 2021, largest 2,208% over the limit.
  • Oil & Grease: 1 limit, 44 violations of any kind, 2 effluent exceedances, latest July 31, 2021, largest 1,233% over the limit.
  • Flow, in conduit or thru treatment plant: 1 limit, 45 violations of any kind, 0 effluent exceedances.
  • Arsenic, total [as As]: 1 limit, 18 violations of any kind, 0 effluent exceedances.
  • Barium, total [as Ba]: 1 limit, 18 violations of any kind, 0 effluent exceedances.
  • Cadmium, total [as Cd]: 1 limit, 18 violations of any kind, 0 effluent exceedances.
  • Chromium, total [as Cr]: 1 limit, 18 violations of any kind, 0 effluent exceedances.
  • Copper, total [as Cu]: 1 limit, 18 violations of any kind, 0 effluent exceedances.
  • Lead, total [as Pb]: 1 limit, 18 violations of any kind, 0 effluent exceedances.
  • Manganese, total [as Mn]: 1 limit, 18 violations of any kind, 0 effluent exceedances.
  • Nickel, total [as Ni]: 1 limit, 18 violations of any kind, 0 effluent exceedances.
  • Silver, total [as Ag]: 1 limit, 18 violations of any kind, 0 effluent exceedances.
  • Zinc, total [as Zn]: 1 limit, 18 violations of any kind, 0 effluent exceedances.
  • Selenium, total [as Se]: 1 limit, 18 violations of any kind, 0 effluent exceedances.
  • Mercury, total [as Hg]: 1 limit, 18 violations of any kind, 0 effluent exceedances.
  • LC50 Pass/Fail Static 24Hr Acute D. Pulex: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 1 limit, 8 violations of any kind, 0 effluent exceedances.
  • Whole effluent toxicity - retest #1: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Whole effluent toxicity - retest #2: 1 limit, 1 violation of any kind, 0 effluent exceedances.

Other permits held by TXI OPERATIONS, LP

TXI CORINTH READY MIX among its neighbors

EPA’s permit file holds 199 discharge permits in the Headwaters Turtle Creek subwatershed (HUC 120301050101), TXG110171 among them. Its county holds 1,595, 15 of them major permits; TXG110171 is a minor permit.

Other permits in the Headwaters Turtle Creek subwatershed (HUC 120301050101)

Identity

Facility as filedTXI CORINTH READY MIX
Permittee as filedTXI OPERATIONS, LP
NPDES IDTXG110171
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
IssuedFebruary 2, 2017
Expiration dateNovember 7, 2021
AddressDallas, TX 75207
Receiving waterUNNAMED FLOOD CONTROL
SubwatershedHeadwaters Turtle Creek (HUC 120301050101)
SIC3273 – Ready-Mixed Concrete
Other EPA IDs (FRS)ICIS-AIR source TX0000004811300917

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
pH211653August 31, 2022
Solids, total suspended15123July 31, 20212,208% over the limit
Oil & Grease1442July 31, 20211,233% over the limit
Flow, in conduit or thru treatment plant1450
Arsenic, total [as As]1180
Barium, total [as Ba]1180
Cadmium, total [as Cd]1180
Chromium, total [as Cr]1180
Copper, total [as Cu]1180
Lead, total [as Pb]1180
Manganese, total [as Mn]1180
Nickel, total [as Ni]1180
Silver, total [as Ag]1180
Zinc, total [as Zn]1180
Selenium, total [as Se]1180
Mercury, total [as Hg]1180
LC50 Pass/Fail Static 24Hr Acute D. Pulex180
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas180
Whole effluent toxicity - retest #1110
Whole effluent toxicity - retest #2110

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXG110171.

Inspections

EPA’s inspection file holds no inspection for NPDES TXG110171.

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 TXG110171.

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Nearby on the register

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

What this page shows

This public-records page covers NPDES permit TXG110171, held by TXI OPERATIONS, LP for TXI CORINTH READY MIX in Dallas, TX, which discharges to UNNAMED FLOOD CONTROL in the Headwaters Turtle Creek subwatershed (HUC 120301050101). The page lists a status of administratively continued, with the permit issued February 2, 2017 and expiring November 7, 2021, and it reports 3 pollutants under a numeric limit and 3 pollutants with an effluent exceedance. The permit's current standing should be checked against EPA's ECHO Detailed Facility Report.