NPDES TXG112215 · Clean Water Act
TRINIDAD READY MIX, Midland, TX: NPDES TXG112215 discharge permit, effluent exceedances, inspections, penalties
TRINIDAD READY MIX, Midland, Texas: General permit coverage TXG112215, held by TRINIDAD READY MIX LLC; Administratively continued; issued October 30, 2017, term to November 7, 2021; discharges to JB THOMAS.
2 of the 20 pollutants listed for NPDES TXG112215 have no violation or effluent exceedance.
- pH: 2 limits, 43 violations of any kind, 11 effluent exceedances, latest May 31, 2020.
- Solids, total suspended: 1 limit, 14 violations of any kind.
- Oil & Grease: 1 limit, 14 violations of any kind.
- Flow, in conduit or thru treatment plant: 1 limit, 14 violations of any kind.
- Arsenic, total [as As]: 1 limit, 1 violation of any kind.
- Barium, total [as Ba]: 1 limit, 1 violation of any kind.
- Cadmium, total [as Cd]: 1 limit, 1 violation of any kind.
- Chromium, total [as Cr]: 1 limit, 1 violation of any kind.
- Copper, total [as Cu]: 1 limit, 1 violation of any kind.
- Lead, total [as Pb]: 1 limit, 1 violation of any kind.
- Manganese, total [as Mn]: 1 limit, 1 violation of any kind.
- Nickel, total [as Ni]: 1 limit, 1 violation of any kind.
- Silver, total [as Ag]: 1 limit, 1 violation of any kind.
- Zinc, total [as Zn]: 1 limit, 1 violation of any kind.
- Selenium, total [as Se]: 1 limit, 1 violation of any kind.
- Mercury, total [as Hg]: 1 limit, 1 violation of any kind.
- LC50 Pass/Fail Static 24Hr Acute D. Pulex: 1 limit, 1 violation of any kind.
- LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 1 limit, 1 violation of any kind.
- Whole effluent toxicity - retest #1: 1 limit.
- Whole effluent toxicity - retest #2: 1 limit.
- October 8, 2026: Phone Call/ EMAIL (State).
- August 17, 2026: Phone Call/ EMAIL (State).
- July 9, 2026: Phone Call/ EMAIL (State).
- June 4, 2026: Phone Call/ EMAIL (State).
- May 11, 2026: Phone Call/ EMAIL (State).
- April 9, 2026: Phone Call/ EMAIL (State).
TRINIDAD READY MIX among its neighbors
13 discharge permits are in the Walcott Windmill-Monahans Draw subwatershed (HUC 120800050405); TXG112215 is one. Its county: 223, 2 major; TXG112215 is minor permit.
Other permits in the Walcott Windmill-Monahans Draw subwatershed (HUC 120800050405)
- AGRI-EMPRESA RAIL FACILITY, Midland: TXR05FI27, minor, term to 2026-08-13
- APEX ESP SERVICES, Midland: TXR05GT77, minor, term to 2026-08-13
- BICO DRILLING TOOLS - MIDLAND, Midland: TXRNECA09, minor, term to 2026-08-13
- ENCLAVE VILLA ROSA, Odessa: TXR1537VP, minor, term to 2028-03-04
- ENDURANCE LIFT SOLUTIONS MIDLAND, Midland: TXR05GF16, minor, term to 2026-08-13
- FIELD OFFICE THREE, Midland: TXRNEBO65, minor, term to 2026-08-13
- FIVE STAR FLUIDS, Midland: TXR05GM49, minor, term to 2026-08-13
- KEESEE AUTO PARTS 1, Midland: TXR05FQ44, minor, term to 2026-08-13
- MORELAND, Midland: TXR05GH99, minor, term to 2026-08-13
- OBSIDIAN CHEMCIAL SOLUTIONS, Midland: TXR1549OI, minor, term to 2028-03-04
Identity
| Facility | TRINIDAD READY MIX |
|---|---|
| Permittee | TRINIDAD READY MIX LLC |
| NPDES ID | TXG112215 |
| Status | Administratively continued |
| Type | General permit coverage |
| Class | Minor |
| Facility type | Non-POTW |
| Issued | October 30, 2017 |
| Expires | November 7, 2021 |
| Address | Midland, TX 79706 |
| Receiving water | JB THOMAS |
| Subwatershed | Walcott Windmill-Monahans Draw (HUC 120800050405) |
NPDES TXG112215: effluent limits and exceedances
TRINIDAD READY MIX (NPDES TXG112215): 20 pollutants on file, 20 limited; 18 with a violation of any kind, 1 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| pH | 2 | 43 | 11 | May 31, 2020 | |
| Solids, total suspended | 1 | 14 | 0 | ||
| Oil & Grease | 1 | 14 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 14 | 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 | ||
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | 1 | 1 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 1 | 1 | 0 | ||
| Whole effluent toxicity - retest #1 | 1 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 1 | 0 | 0 |
NPDES TXG112215: inspections, violations and enforcement
NPDES TXG112215: 6 informal enforcement actions
| Date | What EPA recorded | Agency |
|---|---|---|
| October 8, 2026 | Phone Call/ EMAIL | State |
| August 17, 2026 | Phone Call/ EMAIL | State |
| July 9, 2026 | Phone Call/ EMAIL | State |
| June 4, 2026 | Phone Call/ EMAIL | State |
| May 11, 2026 | Phone Call/ EMAIL | State |
| April 9, 2026 | Phone Call/ EMAIL | State |
NPDES TXG112215 (TRINIDAD READY MIX): no single-event violation, inspection and formal enforcement action on file.
Watch NPDES TXG112215
NPDES TXG112215: one email when its EPA record changes — $99/month.
Permits near NPDES TXG112215
NPDES TXG112215: 20 pollutant rows, 6 dated events; ICIS-NPDES download, loaded September 15, 2026.