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Clean Water Act discharge permit · NPDES TXG110669

THOMAS REDI-MIX PRIMARY PLANT, Amarillo, TX: NPDES TXG110669 discharge permit, effluent exceedances, inspections, penalties

THOMAS REDI-MIX PRIMARY PLANT, held by THOMAS REDI-MIX COMPANY, INC., holds NPDES permit TXG110669. EPA’s file records it issued February 9, 2017 and expiring November 7, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedTHOMAS REDI-MIX PRIMARY PLANT
Permittee as filedTHOMAS REDI-MIX COMPANY, INC.
NPDES IDTXG110669
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 9, 2017
Expiration dateNovember 7, 2021
AddressAmarillo, TX 79108
SubwatershedLower West Amarillo Creek (HUC 110901050309)
SIC3273 – Ready-Mixed Concrete

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

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
pH25016November 30, 2014
Solids, total suspended1299August 31, 2016206% over the limit
Cadmium, total [as Cd]1108February 29, 201699,999% over the limit
Silver, total [as Ag]1108February 29, 201699,999% over the limit
Mercury, total [as Hg]1108February 29, 201699,999% over the limit
Oil & Grease1307October 31, 2019767% over the limit
Arsenic, total [as As]197February 29, 201699,999% over the limit
Lead, total [as Pb]186February 29, 201699,999% over the limit
Manganese, total [as Mn]164February 28, 201599,999% over the limit
Nickel, total [as Ni]164February 29, 201699,999% over the limit
Zinc, total [as Zn]153February 29, 201699,999% over the limit
Selenium, total [as Se]153February 29, 201699,999% over the limit
Chromium, total [as Cr]142February 28, 201499,999% over the limit
Copper, total [as Cu]142February 28, 201499,999% over the limit
Flow, in conduit or thru treatment plant1260
Barium, total [as Ba]120
Whole effluent toxicity - retest #1100
Whole effluent toxicity - retest #2100
LC50 Pass/Fail Static 24Hr Acute D. Pulex100
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas100

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

DateWhat EPA recordedAgency
September 18, 2025Permit Violations - Violation Specified in CommentST6

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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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 TXG110669 for the THOMAS REDI-MIX PRIMARY PLANT in Amarillo, TX, held by THOMAS REDI-MIX COMPANY, INC., which is administratively continued and classed as a Minor discharger. The page lists 20 pollutants on file, 14 of which are under a numeric limit and 14 of which show an effluent exceedance, with the permit's EPA file dates given as issued February 9, 2017 and expiring November 7, 2021.