Clean Water Act discharge permit · NPDES TX0115657
SIERRA BLANCA, Sierra Blanca, TX: NPDES TX0115657 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 36Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
SIERRA BLANCA, held by HADRPETH CO WCID 1, holds NPDES permit TX0115657, which discharges to Unamed Drainage Swale; Blanca Draw. EPA’s file records it issued September 10, 2015 and expiring September 1, 2020. 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 | SIERRA BLANCA |
|---|---|
| Permittee as filed | HADRPETH CO WCID 1 |
| NPDES ID | TX0115657 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 10, 2015 |
| Expiration date | September 1, 2020 |
| Address | Sierra Blanca, TX 79851 |
| Receiving water | UNAMED DRAINAGE SWALE; BLANCA DRAW |
| Subwatershed | Etholen Tank-Blanca Draw (HUC 130402010202) |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 37Pollutants on file
- 36Under a numeric limit
- 36With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 3 | 429 | 187 | May 31, 2026 | 499% over the limit |
| E. coli | 2 | 180 | 57 | March 31, 2026 | 99,999% over the limit |
| Oxygen, dissolved [DO] | 1 | 155 | 53 | October 31, 2025 | 93% over the limit |
| Solids, total suspended | 2 | 269 | 39 | December 31, 2025 | 356% over the limit |
| pH | 3 | 252 | 30 | April 30, 2026 | |
| Flow, in conduit or thru treatment plant | 2 | 261 | 1 | June 30, 2007 | 3% over the limit |
| Nitrogen, ammonia total [as N] | 0 | 99 | 0 | ||
| Arsenic, dry weight | 5 | 40 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 40 | 0 | ||
| Selenium, dry weight | 3 | 24 | 0 | ||
| Copper, dry weight | 3 | 24 | 0 | ||
| Cadmium, dry weight | 3 | 24 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 24 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 24 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 24 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 24 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 24 | 0 | ||
| Nickel, total [as Ni] | 2 | 16 | 0 | ||
| Level of pathogen requirements achieved | 2 | 16 | 0 | ||
| Description of pathogen option used | 2 | 16 | 0 | ||
| Vector attraction reduction alternative used | 2 | 16 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 11 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 11 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 11 | 0 | ||
| Annual amt of sludge incinerated | 1 | 11 | 0 | ||
| Annual sludge production, total | 1 | 11 | 0 | ||
| Annual amount of sludge land applied | 1 | 11 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 11 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 11 | 0 | ||
| Annual amt sludge transported interstate | 1 | 11 | 0 | ||
| Fecal coliform | 1 | 8 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 8 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 8 | 0 | ||
| Boundary areas | 1 | 8 | 0 | ||
| Salmonella | 1 | 8 | 0 | ||
| Pollutant table from 503.13 | 1 | 8 | 0 | ||
| Annual whole sludge application rate | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 26, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| March 12, 2020 | 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.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.