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Clean Water Act discharge permit · NPDES TXG113554

SRM PLANT 14093 DENTON RMC, Denton, TX: NPDES TXG113554 discharge permit, effluent exceedances, inspections, penalties

SRM PLANT 14093 DENTON RMC, held by Smyrna Ready Mix Concrete, LLC, holds NPDES permit TXG113554. EPA’s file records it issued December 1, 2023 and expiring November 6, 2026.

SRM PLANT 14093 DENTON RMC, Denton, Texas: Coverage under a general permit TXG113554, held by Smyrna Ready Mix Concrete, LLC; Effective; issued December 1, 2023, term to November 6, 2026; Ready-Mix Concrete Manufacturing.

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

Other permits held by Smyrna Ready Mix Concrete, LLC

SRM PLANT 14093 DENTON RMC among its neighbors

EPA’s permit file holds 131 discharge permits in the Pecan Creek-Little Elm Reservoir subwatershed (HUC 120301030902), TXG113554 among them. Its county holds 1,238, 16 of them major permits; TXG113554 is a minor permit.

Other permits in the Pecan Creek-Little Elm Reservoir subwatershed (HUC 120301030902)

  • 042-3271 MCDONALDS, Denton: TXR1514WL, minor permit, discharging to PECAN CREEK, permit term to March 4, 2028
  • 100 DOBBS ROAD, Denton: TXR1564PY, minor permit, discharging to LEWISVILLE LAKE, permit term to March 4, 2028
  • 2019 STREET BOND - NEIGHBORHOOD 4, Denton: TXR1585NL, minor permit, discharging to COOPER CREEK, permit term to March 4, 2028
  • 380 OLD NORTH, Denton: TXR1526SN, minor permit, discharging to COOPER CREEK, permit term to March 4, 2028
  • ACME BRICK HARBERT PIT, Crossroads: TXR05O282, minor permit, permit term to August 13, 2026
  • AUDRA LANE ESTATES, Denton: TXR1549UF, minor permit, discharging to UNNAMED TRIBUTARY TO COOPER CREEK TO LEWISVILLE LA, permit term to March 4, 2028
  • AUDRA OAKS, Denton: TXR1551VD, minor permit, discharging to COOPER CREEK TO LEWISVILLE LAKE 0823, permit term to March 4, 2028
  • BONNIE BRAE, Denton: TXR1575TO, minor permit, discharging to PECAN CREEK, permit term to March 4, 2028
  • BOWLING GREEN PARK IMPROVEMENTS, Denton: TXR1575XN, minor permit, discharging to PECAN CREEK, permit term to March 4, 2028
  • BRIDLEWOOD ESTATES - LAND DEVELOPMENT, Crossroads: TXR1574YS, minor permit, discharging to LEWISVILLE LAKE, permit term to March 4, 2028

What the register holds for SRM PLANT 14093 DENTON RMC: its NPDES ID, its permit type and status, its dates, its address in Denton, Texas, and 20 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXG113554.

Identity

Facility as filedSRM PLANT 14093 DENTON RMC
Permittee as filedSmyrna Ready Mix Concrete, LLC
NPDES IDTXG113554
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedDecember 1, 2023
Expiration dateNovember 6, 2026
AddressDenton, TX 76205
SubwatershedPecan Creek-Little Elm Reservoir (HUC 120301030902)
NAICS327320 – Ready-Mix Concrete Manufacturing
SIC3273 – Ready-Mixed Concrete

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
pH200
Solids, total suspended100
Oil & Grease100
Arsenic, total [as As]100
Barium, total [as Ba]100
Cadmium, total [as Cd]100
Chromium, total [as Cr]100
Copper, total [as Cu]100
Lead, total [as Pb]100
Manganese, total [as Mn]100
Nickel, total [as Ni]100
Silver, total [as Ag]100
Zinc, total [as Zn]100
Selenium, total [as Se]100
Whole effluent toxicity - retest #1100
Whole effluent toxicity - retest #2100
Flow, in conduit or thru treatment plant100
Mercury, total [as Hg]100
LC50 Pass/Fail Static 24Hr Acute D. Pulex100
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TXG113554.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXG113554.

Inspections

EPA’s inspection file holds no inspection for NPDES TXG113554.

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 TXG113554.

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Nearby on the register

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

What this page shows

This page covers NPDES permit TXG113554 for SRM PLANT 14093 DENTON RMC in Denton, TX, held by Smyrna Ready Mix Concrete, LLC, with a status of Effective and a discharger class of Minor. The register lists 20 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, with the permit issued December 1, 2023 and expiring November 6, 2026.