Clean Water Act discharge permit · NPDES TX0140295
HILLSTEAD WWTP, Rockwall, TX: NPDES TX0140295 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
HILLSTEAD WWTP, held by COLLIN COUNTY MUD NO 5, holds NPDES permit TX0140295, which discharges to Directly To Camp Creek. EPA’s file records it issued March 12, 2021 and expiring March 12, 2026. 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 | HILLSTEAD WWTP |
|---|---|
| Permittee as filed | COLLIN COUNTY MUD NO 5 |
| NPDES ID | TX0140295 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | March 12, 2021 |
| Expiration date | March 12, 2026 |
| Address | Rockwall, TX 75166 |
| Receiving water | DIRECTLY TO CAMP CREEK |
| Subwatershed | Camp Creek-Lake Ray Hubbard (HUC 120301060401) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 5Pollutants on file
- 0Under a numeric limit
- 5With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 0 | 2 | 2 | December 31, 2025 | 263% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 0 | 2 | 2 | February 28, 2026 | 15% over the limit |
| Oxygen, dissolved [DO] | 0 | 1 | 1 | February 28, 2026 | 28% over the limit |
| pH | 0 | 1 | 1 | January 31, 2026 | |
| Solids, total suspended | 0 | 1 | 1 | February 28, 2026 | 43% over the limit |
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 TX0140295.
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 TX0140295 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.