Clean Water Act discharge permit · NPDES TXG110235
CENTEX MATERIALS SOUTH PLANT, Austin, TX: NPDES TXG110235 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 20Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
CENTEX MATERIALS SOUTH PLANT, held by CENTEX MATERIALS, LLC, holds NPDES permit TXG110235, which discharges to Williamson Creek. EPA’s file records it issued January 10, 2007 and expiring November 7, 2011. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | CENTEX MATERIALS SOUTH PLANT |
|---|---|
| Permittee as filed | CENTEX MATERIALS, LLC |
| NPDES ID | TXG110235 |
| 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 10, 2007 |
| Expiration date | November 7, 2011 |
| Address | Austin, TX 78745 |
| Receiving water | WILLIAMSON CREEK |
| Subwatershed | Williamson Creek-Onion Creek (HUC 120902050408) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 20Pollutants on file
- 20Under a numeric limit
- 18With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 1 | 139 | 7 | May 31, 2016 | 2,208% over the limit |
| pH | 2 | 269 | 4 | November 30, 2014 | |
| Oil & Grease | 1 | 133 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 133 | 0 | ||
| Copper, total [as Cu] | 2 | 24 | 0 | ||
| Selenium, total [as Se] | 2 | 24 | 0 | ||
| Mercury, total [as Hg] | 2 | 24 | 0 | ||
| Arsenic, total [as As] | 2 | 22 | 0 | ||
| Barium, total [as Ba] | 2 | 22 | 0 | ||
| Cadmium, total [as Cd] | 2 | 22 | 0 | ||
| Chromium, total [as Cr] | 2 | 22 | 0 | ||
| Lead, total [as Pb] | 2 | 22 | 0 | ||
| Manganese, total [as Mn] | 2 | 22 | 0 | ||
| Nickel, total [as Ni] | 2 | 22 | 0 | ||
| Silver, total [as Ag] | 2 | 22 | 0 | ||
| Zinc, total [as Zn] | 2 | 22 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | 1 | 13 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 1 | 13 | 0 | ||
| Whole effluent toxicity - retest #1 | 1 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 1 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES TXG110235.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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, TXG110235.
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID TXG110235 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.