Clean Water Act discharge permit · NPDES TXG113597
DAYTON PLANT, Dayton, TX: NPDES TXG113597 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
DAYTON PLANT, held by Cowboy's Ready Mix, LLC, holds NPDES permit TXG113597. EPA’s file records it issued January 5, 2024 and expiring November 6, 2026.
DAYTON PLANT, Dayton, Texas: Coverage under a general permit TXG113597, held by Cowboy's Ready Mix, LLC; Effective; issued January 5, 2024, 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 Cowboy's Ready Mix, LLC
- CBP NO 2, Winnie: TXG113220, issued August 17, 2022
- WALLISVILLE PLANT, Wallisville: TXG113622, issued February 9, 2024
- PORT ARTHUR PLANT, Port Arthur: TXG113623, issued February 9, 2024
- BEAUMONT PLANT, Beaumont: TXG113678, issued April 24, 2024
- SABINE PASS CBP, Port Arthur: TXG113885, issued June 15, 2025
- SABINE PASS WASHOUT FACILITY, Port Arthur: TXG113930, issued August 6, 2025
- BECHTEL TEMP CBP SITE, Port Arthur: TXG114146, issued June 3, 2026
DAYTON PLANT among its neighbors
EPA’s permit file holds 64 discharge permits in the West Prong Old River subwatershed (HUC 120302030302), TXG113597 among them. Its county holds 190, 4 of them major permits; TXG113597 is a minor permit.
Other permits in the West Prong Old River subwatershed (HUC 120302030302)
- BAYTOWN SAND AND CLAY DAYTON PIT, Dayton: TXR05GH11, minor permit, permit term to August 13, 2026
- CAMPBELL PLANT 20 DAYTON, Dayton: TXG110039, minor permit, discharging to TRINITY RIVER, permit term to November 7, 2021
- CASTLEROCK COMMUNITIES - RIVER RANCH, Dayton: TXR1581OZ, minor permit, discharging to EAST PRONG OF OLD RIVER, permit term to March 4, 2028
- DAYTON RMC PLANT, Dayton: TXG113915, minor permit, permit term to November 6, 2026
- DAYTON SOUTHWEST WWTP, Dayton: TX0100170, major permit, discharging to DRAINAGE DITCH, UNNAMED TRIB LINNEY, permit term to July 10, 2025
- GULF INLAND LOGISTICS PARK, Dayton: TXR1526SO, minor permit, discharging to OLD RIVER, permit term to March 4, 2028
- HILLER DAYTON, Dayton: TXR05GG10, minor permit, permit term to August 13, 2026
- LIBERTY COUNTY MUD 13A WWTP, Dayton: TX0147753, minor permit, discharging to Trinity River Tidal, permit term to August 7, 2031
- LIBERTY COUNTY MUD 21 WWTP, Dayton: TX0149501, not classed
- MEDINA - HOME BUILDING, Dayton: TXR1547UM, minor permit, discharging to WEST PRONG OLD RIVER, permit term to March 4, 2028
What the register holds for DAYTON PLANT: its NPDES ID, its permit type and status, its dates, its address in Dayton, Texas, and 20 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXG113597.
Identity
| Facility as filed | DAYTON PLANT |
|---|---|
| Permittee as filed | Cowboy's Ready Mix, LLC |
| NPDES ID | TXG113597 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 5, 2024 |
| Expiration date | November 6, 2026 |
| Address | Dayton, TX 77535 |
| Subwatershed | West Prong Old River (HUC 120302030302) |
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 TXG113597.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES TXG113597.
Inspections
EPA’s inspection file holds no inspection for NPDES TXG113597.
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 TXG113597.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.