Clean Water Act discharge permit · NPDES TXG114103

MABANK READY MIX, Mabank, TX: NPDES TXG114103 discharge permit, effluent exceedances, inspections, penalties

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

MABANK READY MIX, held by Summit Materials, LLC, holds NPDES permit TXG114103. EPA’s file records it issued March 16, 2026 and expiring November 6, 2026.

MABANK READY MIX, Mabank, Texas: Coverage under a general permit TXG114103, held by Summit Materials, LLC; Effective; issued March 16, 2026, term to November 6, 2026.

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 Summit Materials, LLC

MM-FARMERSVILLE RM, Farmersville: TXG114053, issued March 12, 2026
MM MIDLOTHIAN RAILPORT READY MIX, Midlothian: TXG114054, issued March 14, 2026
MM RHOME READY MIX, Rhome: TXG114055, issued March 14, 2026
MM ROANOKE READY MIX, Roanoke: TXG114056, issued March 14, 2026
MM SANGER READY MIX, Sanger: TXG114057, issued March 14, 2026
MM WEATHERFORD READY MIX, Weatherford: TXG114058, issued March 14, 2026
MM WEBB RD READY MIX, Arlington: TXG114059, issued March 14, 2026
MM CELINA READY MIX, Celina: TXG114060, issued March 14, 2026
MM CORINTH ST READY MIX, Dallas: TXG114061, issued March 14, 2026
MM PONDER READY MIX, Ponder: TXG114062, issued March 14, 2026

MABANK READY MIX among its neighbors

EPA’s permit file holds 31 discharge permits in the Cummins Creek subwatershed (HUC 120301090401), TXG114103 among them. Its county holds 291, 4 of them major permits; TXG114103 is a minor permit.

Other permits in the Cummins Creek subwatershed (HUC 120301090401)

111 E LAMPASAS ST WAREHOUSE BUILDING, Ennis: TXR1532UZ, minor permit, discharging to UNNAMED TRIBUTARY OF CUMMINS CREEK, permit term to March 4, 2028
ANDERSON ALL POINT SOLUTIONS, Ennis: TXRNEQ806, minor permit, permit term to August 13, 2026
CANTRELL CROSSING, Waxahachie: TXR1533SR, minor permit, discharging to WAXAHACHIE CREEK, permit term to March 4, 2028
COLUMBIA PACKING ENNIS, Ennis: TXRNEBS23, minor permit, permit term to August 13, 2026
CONCRETE BATCH PLANT SUPPORTING PRAIRIE VIEW PH 1C, Ennis: TXR1559RJ, minor permit, discharging to CUMMINS CREEK, permit term to March 4, 2028
CONCRETE BATCH PLANT SUPPORTING PRAIRIE VIEW PH1A, Ennis: TXR1529PA, minor permit, discharging to CUMMINS CREEK, permit term to March 4, 2028
ENNIS FACILITY, Ennis: TXR05GI05, minor permit, permit term to August 13, 2026
ENNIS MUNICIPAL AIRPORT, Ennis: TXR05HC20, minor permit, permit term to August 13, 2026
EUREKA READY MIX CONCRETE PLANT 3, Ennis: TXG112642, minor permit, permit term to November 6, 2021
FRESHPET, Ennis: TXR05GJ90, minor permit, permit term to August 13, 2026

What the register holds for MABANK READY MIX: its NPDES ID, its permit type and status, its dates, its address in Mabank, Texas, and 20 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXG114103.

Identity

Facility as filed	MABANK READY MIX
Permittee as filed	Summit Materials, LLC
NPDES ID	TXG114103
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	March 16, 2026
Expiration date	November 6, 2026
Address	Mabank, TX 75147
Subwatershed	Cummins Creek (HUC 120301090401)

Effluent limits and exceedances

20Pollutants on file
20Under a numeric limit
0With a violation of any kind
0With 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	0	0
Solids, total suspended	1	0	0
Oil & Grease	1	0	0
Arsenic, total [as As]	1	0	0
Barium, total [as Ba]	1	0	0
Cadmium, total [as Cd]	1	0	0
Chromium, total [as Cr]	1	0	0
Copper, total [as Cu]	1	0	0
Lead, total [as Pb]	1	0	0
Manganese, total [as Mn]	1	0	0
Nickel, total [as Ni]	1	0	0
Silver, total [as Ag]	1	0	0
Zinc, total [as Zn]	1	0	0
Selenium, total [as Se]	1	0	0
Whole effluent toxicity - retest #1	1	0	0
Whole effluent toxicity - retest #2	1	0	0
Flow, in conduit or thru treatment plant	1	0	0
Mercury, total [as Hg]	1	0	0
LC50 Pass/Fail Static 24Hr Acute D. Pulex	1	0	0
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas	1	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TXG114103.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXG114103.

Inspections

EPA’s inspection file holds no inspection for NPDES TXG114103.

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 TXG114103.

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Nearby on the register

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

This public-records page covers the NPDES discharge permit TXG114103 for MABANK READY MIX in Mabank, TX, held by Summit Materials, LLC, with a status of Effective, a Minor discharger class, and coverage under a general permit. The page lists 20 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, with the permit issued March 16, 2026 and expiring November 6, 2026, in the Cummins Creek watershed (HUC 120301090401).