Clean Water Act discharge permit · NPDES TX0090425
HOLCIM US INC WWTP, Midlothian, TX: NPDES TX0090425 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
HOLCIM US INC WWTP, held by HOLCIM (US) INC, holds NPDES permit TX0090425, which discharges to Unnamed Tributary N. Prong Creek. EPA’s file records it issued March 20, 2017 and expiring December 1, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | HOLCIM US INC WWTP |
|---|---|
| Permittee as filed | HOLCIM (US) INC |
| NPDES ID | TX0090425 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 20, 2017 |
| Expiration date | December 1, 2021 |
| Address | Midlothian, TX 76065 |
| Receiving water | UNNAMED TRIBUTARY N. PRONG CREEK |
| Subwatershed | Headwaters Waxahachie Creek (HUC 120301090301) |
| SIC | 1422 – Crushed And Broken Limestone |
| Other EPA IDs (FRS) | RCRA handler TXD130369481; ICIS-AIR source TX0000004813900022 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 4Pollutants on file
- 4Under a numeric limit
- 4With a violation of any kind
- 1With 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 | 2 | 36 | 21 | February 28, 2025 | 1,940% over the limit |
| pH | 2 | 15 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 8 | 0 | ||
| Aluminum, total [as Al] | 1 | 8 | 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 TX0090425.
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
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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 TX0090425 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.