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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.

SCHERTZ PRECAST FACILITY, Schertz, Texas: Coverage under a general permit TXG112974, held by Manco Structures, Ltd.; Effective; issued November 15, 2021, term to November 6, 2026.

  • pH: 4 limits, 4 violations of any kind, 0 effluent exceedances.
  • Solids, total suspended: 2 limits, 2 violations of any kind, 0 effluent exceedances.
  • Oil & Grease: 2 limits, 2 violations of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 2 limits, 2 violations of any kind, 0 effluent exceedances.
  • Arsenic, total [as As]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Barium, total [as Ba]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Cadmium, total [as Cd]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Chromium, total [as Cr]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Copper, total [as Cu]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Lead, total [as Pb]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Manganese, total [as Mn]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Nickel, total [as Ni]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Silver, total [as Ag]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Zinc, total [as Zn]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Selenium, total [as Se]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Whole effluent toxicity - retest #1: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Whole effluent toxicity - retest #2: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • Mercury, total [as Hg]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • LC50 Pass/Fail Static 24Hr Acute D. Pulex: 2 limits, 0 violations of any kind, 0 effluent exceedances.
  • LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 2 limits, 0 violations of any kind, 0 effluent exceedances.

SCHERTZ PRECAST FACILITY among its neighbors

EPA’s permit file holds 116 discharge permits in the Dry Comal River-Guadalupe River subwatershed (HUC 121002020106), TXG112974 among them. Its county holds 328, 3 of them major permits; TXG112974 is a minor permit.

Other permits in the Dry Comal River-Guadalupe River subwatershed (HUC 121002020106)

  • 2538 BILLABONG - NEWCOMBE TENNIS RANCH, New Braunfels: TXR1523YP, minor permit, discharging to COMAL RIVER, permit term to March 4, 2028
  • AC TEJAS - RAIL LOOP, New Braunfels: TXR1530OS, minor permit, discharging to DRY COMAL CREEK, permit term to March 4, 2028
  • ACKERMANN II SUBDIVISION, Schertz: TXR1528YT, minor permit, discharging to SANTA CLARA CREEK 1902E, permit term to March 4, 2028
  • ACKERMANN SUBDIVISION, Schertz: TXR1529QF, minor permit, discharging to UNNAMED TRIBUTARY, permit term to March 4, 2028
  • ALL-STATE BELTING - NEW BRAUNFELS, New Braunfels: TXRNEBD87, minor permit, permit term to August 13, 2026
  • BALCONES CEMENT PLANT, New Braunfels: TX0077534, minor permit, discharging to STORM WATER SETTLING POND CONTROLLE, permit term to February 1, 2020
  • BEDSTONE BUSINESS PARK, Schertz: TXR1509NV, minor permit, discharging to DRY COMAL CREEK, permit term to March 4, 2028
  • BLU-MAN INVESTMENTS, Schertz: TXR1530WS, minor permit, discharging to CIBOLO CREEK, permit term to March 4, 2028
  • BOBCAT TRUCKING, New Braunfels: TXR05GM44, minor permit, permit term to August 13, 2026
  • BOBCAT TRUCKING - HMP, New Braunfels: TXR1537UT, minor permit, discharging to DRY COMAL CREEK, permit term to March 4, 2028

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)
Other EPA IDs (FRS)RCRA handler TXD066434903

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.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXG112974.

Inspections

EPA’s inspection file holds no inspection for NPDES TXG112974.

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 TXG112974.

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Nearby on the register

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

What this page shows

This public-records page covers the NPDES TXG112974 discharge permit held by Manco Structures, Ltd. for the SCHERTZ PRECAST FACILITY in Schertz, TX, which is in the Dry Comal River-Guadalupe River watershed (HUC 121002020106). The page lists 20 pollutants on file, 20 of them under a numeric limit, with 4 showing a violation of any kind and 0 showing an effluent exceedance.