Clean Water Act discharge permit · NPDES TX0065749
OWENS CORNING INSULATING SYSTEMS WAXAHACHIE PLANT, Waxahachie, TX: NPDES TX0065749 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
OWENS CORNING INSULATING SYSTEMS WAXAHACHIE PLANT, held by OWENS CORNING INSULATING SYSTEMS LLC, holds NPDES permit TX0065749, which discharges to Unnamed Drainage Ditch, Mustang Cre. EPA’s file records it issued June 8, 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 | OWENS CORNING INSULATING SYSTEMS WAXAHACHIE PLANT |
|---|---|
| Permittee as filed | OWENS CORNING INSULATING SYSTEMS LLC |
| NPDES ID | TX0065749 |
| 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 | June 8, 2017 |
| Expiration date | December 1, 2021 |
| Address | Waxahachie, TX 75165 |
| Receiving water | UNNAMED DRAINAGE DITCH, MUSTANG CRE |
| Subwatershed | Mustang Creek-Bardwell Lake (HUC 120301090305) |
| SIC | 3296 – Mineral Wool |
| Other EPA IDs (FRS) | RCRA handler TXD007332570; ICIS-AIR source TX0000004813900005 |
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
- 9Pollutants on file
- 9Under a numeric limit
- 9With a violation of any kind
- 7With 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 | 54 | 19 | May 31, 2025 | |
| BOD, 5-day, 20 deg. C | 1 | 21 | 11 | October 31, 2023 | 650% over the limit |
| Nitrogen, ammonia total [as N] | 1 | 20 | 10 | February 28, 2025 | 2,500% over the limit |
| Oxygen demand, chem. [high level] [COD] | 1 | 13 | 3 | February 28, 2014 | 200% over the limit |
| Solids, total dissolved | 1 | 6 | 3 | August 31, 2020 | 85% over the limit |
| Phenolics, total recoverable | 1 | 12 | 1 | June 30, 2017 | 160% over the limit |
| Oil & Grease | 1 | 11 | 1 | September 30, 2009 | 7% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 20 | 0 | ||
| Chromium, total [as Cr] | 1 | 3 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 26, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| September 18, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
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 TX0065749 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.