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Clean Water Act discharge permit · NPDES TXG110537

DENTON PLANT, Denton, TX: NPDES TXG110537 discharge permit, effluent exceedances, inspections, penalties

DENTON PLANT, held by SOUTHERN STAR CONCRETE INC, holds NPDES permit TXG110537, which discharges to Drainage To Moores Branch. EPA’s file records it issued February 27, 2007 and expiring November 7, 2011.

DENTON PLANT, Denton, Texas: Coverage under a general permit TXG110537, held by SOUTHERN STAR CONCRETE INC; Administratively continued (past its expiration date and still in force until reissued); issued February 27, 2007, term to November 7, 2011; discharges to DRAINAGE TO MOORES BRANCH.

  • pH: 2 limits, 82 violations of any kind, 0 effluent exceedances.
  • Solids, total suspended: 1 limit, 41 violations of any kind, 0 effluent exceedances.
  • Oil & Grease: 1 limit, 41 violations of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 1 limit, 41 violations of any kind, 0 effluent exceedances.
  • Arsenic, total [as As]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
  • Barium, total [as Ba]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
  • Cadmium, total [as Cd]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
  • Chromium, total [as Cr]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
  • Copper, total [as Cu]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
  • Lead, total [as Pb]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
  • Manganese, total [as Mn]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
  • Nickel, total [as Ni]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
  • Silver, total [as Ag]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
  • Zinc, total [as Zn]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
  • Selenium, total [as Se]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
  • Mercury, total [as Hg]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
  • LC50 Pass/Fail Static 24Hr Acute D. Pulex: 1 limit, 4 violations of any kind, 0 effluent exceedances.
  • LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 1 limit, 4 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.

Other permits held by SOUTHERN STAR CONCRETE INC

DENTON PLANT among its neighbors

EPA’s permit file holds 27 discharge permits in the Milam Creek-Clear Creek subwatershed (HUC 120301030605), TXG110537 among them. Its county holds 1,238, 16 of them major permits; TXG110537 is a minor permit.

Other permits in the Milam Creek-Clear Creek subwatershed (HUC 120301030605)

  • AGAVE RANCH OFF-SITE INSTALLATION, Denton: TXR1505US, minor permit, discharging to CLEAR CREEK, permit term to March 4, 2028
  • AGAVE RANCH OFF-SITE INSTALLATION, Denton: TXR1571WL, minor permit, discharging to CLEAR CREEK, permit term to March 4, 2028
  • AGAVE RANCH PH 1, Denton: TXR1558XT, minor permit, discharging to UNNAMED TRIBUTARY OF CLEAR CREEK, permit term to March 4, 2028
  • AGAVE RANCH PHASE 1, Denton: TXR1526SJ, minor permit, discharging to TRIBUTARY OF CLEAR CREEK, permit term to March 4, 2028
  • AGAVE RANCH PHASE 1 & 2, Denton: TXR1570TO, minor permit, discharging to TRIBUTARY OF CLEAR CREEK, permit term to March 4, 2028
  • AGAVE RANCH PHASE 1 & 2, Denton: TXR1591TG, minor permit, discharging to TRIBUTARY OF CLEAR CREEK, permit term to March 4, 2028
  • AGAVE RANCH PHASE 2, Denton: TXR1527SJ, minor permit, discharging to TRIBUTARY OF CLEAR CREEK, permit term to March 4, 2028
  • CLEAR CREEK WATER RECLAMATION PLANT, Denton: TX0125628, minor permit, discharging to POND 1, POND 2, CLEAR CREEK, LEWISVILLE LAKE, permit term to April 5, 2027
  • DENTON PLANT, Denton: TXG111833, minor permit, discharging to MILAM CREEK, permit term to November 7, 2016
  • DENTON PLANT, Denton: TXG112861, minor permit, permit term to November 6, 2021

Identity

Facility as filedDENTON PLANT
Permittee as filedSOUTHERN STAR CONCRETE INC
NPDES IDTXG110537
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
IssuedFebruary 27, 2007
Expiration dateNovember 7, 2011
AddressDenton, TX 76207
Receiving waterDRAINAGE TO MOORES BRANCH
SubwatershedMilam Creek-Clear Creek (HUC 120301030605)
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
pH2820
Solids, total suspended1410
Oil & Grease1410
Flow, in conduit or thru treatment plant1410
Arsenic, total [as As]260
Barium, total [as Ba]260
Cadmium, total [as Cd]260
Chromium, total [as Cr]260
Copper, total [as Cu]260
Lead, total [as Pb]260
Manganese, total [as Mn]260
Nickel, total [as Ni]260
Silver, total [as Ag]260
Zinc, total [as Zn]260
Selenium, total [as Se]260
Mercury, total [as Hg]260
LC50 Pass/Fail Static 24Hr Acute D. Pulex140
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas140
Whole effluent toxicity - retest #1100
Whole effluent toxicity - retest #2100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TXG110537.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXG110537.

Inspections

EPA’s inspection file holds no inspection for NPDES TXG110537.

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 TXG110537.

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Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES TXG110537 for the DENTON PLANT in Denton, TX, held by SOUTHERN STAR CONCRETE INC, with the permit listed as administratively continued and a minor discharger class of 20. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, with the permit file dated February 27, 2007 and expiring November 7, 2011.