Clean Water Act discharge permit · NPDES TXG111474

COWTOWN PLANT 3, Dallas, TX: NPDES TXG111474 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
20Pollutants under a numeric limit
3Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

COWTOWN PLANT 3, held by COWTOWN REDI MIX LLC, holds NPDES permit TXG111474, which discharges to Elm Fork Trinity River Below Lewisville Lake. EPA’s file records it issued January 31, 2017 and expiring November 7, 2021.

COWTOWN PLANT 3, Dallas, Texas: Coverage under a general permit TXG111474, held by COWTOWN REDI MIX LLC; Administratively continued (past its expiration date and still in force until reissued); issued January 31, 2017, term to November 7, 2021; discharges to ELM FORK TRINITY RIVER BELOW LEWISVILLE LAKE.

pH: 2 limits, 63 violations of any kind, 3 effluent exceedances, latest March 31, 2021.
Oil & Grease: 1 limit, 32 violations of any kind, 1 effluent exceedance, latest May 31, 2022, largest 100% over the limit.
Solids, total suspended: 1 limit, 31 violations of any kind, 1 effluent exceedance, latest January 31, 2020, largest 138% over the limit.
Flow, in conduit or thru treatment plant: 1 limit, 30 violations of any kind, 0 effluent exceedances.
Arsenic, total [as As]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
Barium, total [as Ba]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
Cadmium, total [as Cd]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
Chromium, total [as Cr]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
Copper, total [as Cu]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
Lead, total [as Pb]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
Manganese, total [as Mn]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
Nickel, total [as Ni]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
Silver, total [as Ag]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
Zinc, total [as Zn]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
Selenium, total [as Se]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
Mercury, total [as Hg]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
LC50 Pass/Fail Static 24Hr Acute D. Pulex: 1 limit, 2 violations of any kind, 0 effluent exceedances.
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 1 limit, 2 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.

COWTOWN PLANT 3 among its neighbors

EPA’s permit file holds 86 discharge permits in the Farmers Branch-Elm Fork Trinity River subwatershed (HUC 120301031005), TXG111474 among them. Its county holds 1,595, 15 of them major permits; TXG111474 is a minor permit.

Other permits in the Farmers Branch-Elm Fork Trinity River subwatershed (HUC 120301031005)

10848 LUNA ROAD, Dallas: TXR05FH39, minor permit, permit term to August 13, 2026
11221 TANTOR RD, Dallas: TXR05GA23, minor permit, permit term to August 13, 2026
1840 RYAN ROAD, Dallas: TXR05EX77, minor permit, permit term to August 13, 2026
1990 WITTINGTON PLACE, Farmers Branch: TXR1506XU, minor permit, discharging to ELM FORK TRINITY RIVER BELOW LEWISVILLE LAKE, permit term to March 4, 2028
1990 WITTINGTON PLACE, Farmers Branch: TXR1559XT, minor permit, discharging to ELM FORK TRINITY RIVER BELOW LEWISVILLE LAKE, permit term to March 4, 2028
3C ENVIORNMENTAL SOLUTIONS, Carrollton: TXRNECK84, minor permit, permit term to August 13, 2026
635 EXCHANGE, Dallas: TXR1597UG, minor permit, discharging to TRIBUTARY OF FARMERS BRANCH, permit term to March 4, 2028
ADDISON RESERVE TOWNHOMES ADDISON TX, Addison: TXR1544MF, minor permit, discharging to FARMERS BRANCH, permit term to March 4, 2028
AER MANUFACTURING 3405 WILEY POST, Carrollton: TXR05EY59, minor permit, permit term to August 13, 2026
AER MANUFACTURING 3405 WILEY POST, Carrollton: TXR1509VL, minor permit, discharging to RAWHIDE CREEK, permit term to March 4, 2028

Identity

Facility as filed	COWTOWN PLANT 3
Permittee as filed	COWTOWN REDI MIX LLC
NPDES ID	TXG111474
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	January 31, 2017
Expiration date	November 7, 2021
Address	Dallas, TX 75220
Receiving water	ELM FORK TRINITY RIVER BELOW LEWISVILLE LAKE
Subwatershed	Farmers Branch-Elm Fork Trinity River (HUC 120301031005)

Effluent limits and exceedances

20Pollutants on file
20Under a numeric limit
18With a violation of any kind
3With an effluent exceedance

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 measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
pH	2	63	3	March 31, 2021
Oil & Grease	1	32	1	May 31, 2022	100% over the limit
Solids, total suspended	1	31	1	January 31, 2020	138% over the limit
Flow, in conduit or thru treatment plant	1	30	0
Arsenic, total [as As]	1	2	0
Barium, total [as Ba]	1	2	0
Cadmium, total [as Cd]	1	2	0
Chromium, total [as Cr]	1	2	0
Copper, total [as Cu]	1	2	0
Lead, total [as Pb]	1	2	0
Manganese, total [as Mn]	1	2	0
Nickel, total [as Ni]	1	2	0
Silver, total [as Ag]	1	2	0
Zinc, total [as Zn]	1	2	0
Selenium, total [as Se]	1	2	0
Mercury, total [as Hg]	1	2	0
LC50 Pass/Fail Static 24Hr Acute D. Pulex	1	2	0
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas	1	2	0
Whole effluent toxicity - retest #1	1	0	0
Whole effluent toxicity - retest #2	1	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXG111474.

Inspections

EPA’s inspection file holds no inspection for NPDES TXG111474.

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 TXG111474.

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, TXG111474.

Start the watch

How we handle your data → Privacy

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit TXG111474 for COWTOWN PLANT 3 in Dallas, TX, held by COWTOWN REDI MIX LLC and discharging to Elm Fork Trinity River Below Lewisville Lake within HUC 120301031005. The permit is listed as administratively continued, with 20 pollutants on file, 3 under a numeric limit, and 3 with an effluent exceedance.