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Clean Water Act discharge permit · NPDES TXG110871

OK CONCRETE PLANT OLNEY, Olney, TX: NPDES TXG110871 discharge permit, effluent exceedances, inspections, penalties

OK CONCRETE PLANT OLNEY, held by OK CONCRETE COMPANY, holds NPDES permit TXG110871, which discharges to Laek Graham. EPA’s file records it issued January 25, 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 filedOK CONCRETE PLANT OLNEY
Permittee as filedOK CONCRETE COMPANY
NPDES IDTXG110871
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
IssuedJanuary 25, 2017
Expiration dateNovember 7, 2021
AddressOlney, TX 76374
Receiving waterLAEK GRAHAM
SubwatershedDry Creek-Salt Creek (HUC 120602010101)
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
pH2460
Solids, total suspended1230
Oil & Grease1230
Flow, in conduit or thru treatment plant1230
Arsenic, total [as As]1100
Barium, total [as Ba]1100
Cadmium, total [as Cd]1100
Chromium, total [as Cr]1100
Copper, total [as Cu]1100
Lead, total [as Pb]1100
Manganese, total [as Mn]1100
Nickel, total [as Ni]1100
Silver, total [as Ag]1100
Zinc, total [as Zn]1100
Selenium, total [as Se]1100
Mercury, total [as Hg]1100
LC50 Pass/Fail Static 24Hr Acute D. Pulex150
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas150
Whole effluent toxicity - retest #1100
Whole effluent toxicity - retest #2100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TXG110871.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXG110871.

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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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID TXG110871 there.

Nearby on the register

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

What this page shows

This EPA public-records page covers the NPDES discharge permit TXG110871 for OK CONCRETE PLANT OLNEY in Olney, TX, held by OK CONCRETE COMPANY and discharging to LAEK GRAHAM in the Dry Creek-Salt Creek subwatershed (HUC 120602010101). The permit is listed as administratively continued, with a Minor discharger class, 20 pollutants on file, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance.