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Clean Water Act discharge permit · NPDES TXG112974

SCHERTZ PRECAST FACILITY, Schertz, TX: NPDES TXG112974 discharge permit, effluent exceedances, inspections, penalties

SCHERTZ PRECAST FACILITY, held by Manco Structures, Ltd., holds NPDES permit TXG112974. EPA’s file records it issued November 15, 2021 and expiring November 6, 2026. 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 filedSCHERTZ PRECAST FACILITY
Permittee as filedManco Structures, Ltd.
NPDES IDTXG112974
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedNovember 15, 2021
Expiration dateNovember 6, 2026
AddressSchertz, TX 78154
SubwatershedDry Comal River-Guadalupe River (HUC 121002020106)

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
pH440
Solids, total suspended220
Oil & Grease220
Flow, in conduit or thru treatment plant220
Arsenic, total [as As]200
Barium, total [as Ba]200
Cadmium, total [as Cd]200
Chromium, total [as Cr]200
Copper, total [as Cu]200
Lead, total [as Pb]200
Manganese, total [as Mn]200
Nickel, total [as Ni]200
Silver, total [as Ag]200
Zinc, total [as Zn]200
Selenium, total [as Se]200
Whole effluent toxicity - retest #1200
Whole effluent toxicity - retest #2200
Mercury, total [as Hg]200
LC50 Pass/Fail Static 24Hr Acute D. Pulex200
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas200

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TXG112974.

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 TXG112974.

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, TXG112974.

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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 TXG112974 there.

Nearby on the register

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