Clean Water Act discharge permit · NPDES TXG112361
LONE STAR READY MIX, Hockley, TX: NPDES TXG112361 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 20Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
LONE STAR READY MIX, held by AUZ MATERIALS COMPANY, LLC, holds NPDES permit TXG112361. EPA’s file records it issued July 11, 2018 and expiring November 6, 2021.
LONE STAR READY MIX, Hockley, Texas: Coverage under a general permit TXG112361, held by AUZ MATERIALS COMPANY, LLC; Administratively continued (past its expiration date and still in force until reissued); issued July 11, 2018, term to November 6, 2021.
- pH: 2 limits, 32 violations of any kind, 0 effluent exceedances.
- Solids, total suspended: 1 limit, 14 violations of any kind, 0 effluent exceedances.
- Oil & Grease: 1 limit, 14 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 1 limit, 14 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.
- Arsenic, total [as As]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Barium, total [as Ba]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Cadmium, total [as Cd]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Chromium, total [as Cr]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Copper, total [as Cu]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Lead, total [as Pb]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Manganese, total [as Mn]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Nickel, total [as Ni]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Silver, total [as Ag]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Zinc, total [as Zn]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Selenium, total [as Se]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Mercury, total [as Hg]: 1 limit, 1 violation 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 AUZ MATERIALS COMPANY, LLC
- CONROE PLANT 1, Conroe: TXG113434, issued July 17, 2023
- HEMPSTEAD CBP, Hempstead: TXG114037, issued February 20, 2026
- HEMPSTEAD PLANT, Hempstead: TXR1561VK, issued August 1, 2025
- CBP CONROE, Conroe: TXR1598MH, issued March 31, 2023
LONE STAR READY MIX among its neighbors
EPA’s permit file holds 154 discharge permits in the Mallard Lake-Cypress Creek subwatershed (HUC 120401020103), TXG112361 among them.
Other permits in the Mallard Lake-Cypress Creek subwatershed (HUC 120401020103)
- BETKA WWTP, Hockley: TX0140252, minor permit, discharging to Cypress Creek, permit term to July 29, 2026
- BRIDGELAND, Cypress: TXR1565XD, minor permit, discharging to CYPRESS CREEK, permit term to March 4, 2028
- BRIDGELAND - HOME BUILDING, Cypress: TXR1588YX, minor permit, discharging to CYPRESS CREEK, permit term to March 4, 2028
- BRIDGELAND CENTRAL - HOME BUILDING, Cypress: TXR1594WA, minor permit, discharging to CYPRESS CREEK, permit term to March 4, 2028
- BRIDGELAND CENTRAL 5 & 8 LAKE EDGE AND RESERVES, Cypress: TXR1533YW, minor permit, discharging to CYPRESS CREEK, permit term to March 4, 2028
- BRIDGELAND CENTRAL 5&8, Cypress: TXR1534UY, minor permit, discharging to CYPRESS CREEK, permit term to March 4, 2028
- BRIDGELAND CENTRAL ALL PHASES OF CONSTRUCTION, Cypress: TXR1513NT, minor permit, discharging to CYPRESS CREEK, permit term to March 4, 2028
- BRIDGELAND CENTRAL NBLP SECTION 6 PHASE 1, Cypress: TXR1526XB, minor permit, discharging to CYPRESS CREEK, permit term to March 4, 2028
- BRIDGELAND CENTRAL SECTION 4, Cypress: TXR1544WL, minor permit, discharging to CYPRESS CREEK, permit term to March 4, 2028
- BRIDGELAND CENTRAL SECTION 8, Cypress: TXR1554XU, minor permit, discharging to CYPRESS CREEK, permit term to March 4, 2028
Identity
| Facility as filed | LONE STAR READY MIX |
|---|---|
| Permittee as filed | AUZ MATERIALS COMPANY, LLC |
| NPDES ID | TXG112361 |
| 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 | July 11, 2018 |
| Expiration date | November 6, 2021 |
| Address | Hockley, TX 77447 |
| Subwatershed | Mallard Lake-Cypress Creek (HUC 120401020103) |
Effluent limits and exceedances
- 20Pollutants on file
- 20Under a numeric limit
- 18With 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 | 32 | 0 | ||
| Solids, total suspended | 1 | 14 | 0 | ||
| Oil & Grease | 1 | 14 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 14 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | 1 | 2 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 1 | 2 | 0 | ||
| Arsenic, total [as As] | 1 | 1 | 0 | ||
| Barium, total [as Ba] | 1 | 1 | 0 | ||
| Cadmium, total [as Cd] | 1 | 1 | 0 | ||
| Chromium, total [as Cr] | 1 | 1 | 0 | ||
| Copper, total [as Cu] | 1 | 1 | 0 | ||
| Lead, total [as Pb] | 1 | 1 | 0 | ||
| Manganese, total [as Mn] | 1 | 1 | 0 | ||
| Nickel, total [as Ni] | 1 | 1 | 0 | ||
| Silver, total [as Ag] | 1 | 1 | 0 | ||
| Zinc, total [as Zn] | 1 | 1 | 0 | ||
| Selenium, total [as Se] | 1 | 1 | 0 | ||
| Mercury, total [as Hg] | 1 | 1 | 0 | ||
| Whole effluent toxicity - retest #1 | 1 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TXG112361.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES TXG112361.
Inspections
EPA’s inspection file holds no inspection for NPDES TXG112361.
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 TXG112361.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.