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Clean Water Act discharge permit · NPDES TXG110097

ALAMO CONCRETE PRODUCTS PLANT 29, San Antonio, TX: NPDES TXG110097 discharge permit, effluent exceedances, inspections, penalties

ALAMO CONCRETE PRODUCTS PLANT 29, held by ALAMO CONCRETE PRODUCTS CO, holds NPDES permit TXG110097, which discharges to Medina River. EPA’s file records it issued March 15, 2017 and expiring November 7, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedALAMO CONCRETE PRODUCTS PLANT 29
Permittee as filedALAMO CONCRETE PRODUCTS CO
NPDES IDTXG110097
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
IssuedMarch 15, 2017
Expiration dateNovember 7, 2021
AddressSan Antonio, TX 78245
Receiving waterMEDINA RIVER
SubwatershedPolecat Creek-Medina River (HUC 121003020503)

Cited to the EPA ICIS-NPDES permit file (ECHO 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
pH21220
Flow, in conduit or thru treatment plant1670
Solids, total suspended1560
Oil & Grease1560
Nickel, total [as Ni]1190
Silver, total [as Ag]1190
Zinc, total [as Zn]1190
Selenium, total [as Se]1190
Mercury, total [as Hg]1190
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
LC50 Pass/Fail Static 24Hr Acute D. Pulex1100
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas1100
Whole effluent toxicity - retest #1100
Whole effluent toxicity - retest #2100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TXG110097.

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 TXG110097.

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.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, TXG110097.

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  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 TXG110097 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.