Clean Water Act discharge permit · NPDES TX0126772
TORNILLO WWTP, Tornillo, TX: NPDES TX0126772 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
TORNILLO WWTP, held by EL PASO COUNTY TORNILLO WATER IMPROVEMENT DISTRICT, holds NPDES permit TX0126772, which discharges to Tornillo Drain, Rio Grande Below Riverside Dam. EPA’s file records it issued October 22, 2020 and expiring October 22, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | TORNILLO WWTP |
|---|---|
| Permittee as filed | EL PASO COUNTY TORNILLO WATER IMPROVEMENT DISTRICT |
| NPDES ID | TX0126772 |
| 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 | October 22, 2020 |
| Expiration date | October 22, 2025 |
| Address | Tornillo, TX 79853 |
| Receiving water | TORNILLO DRAIN, RIO GRANDE BELOW RIVERSIDE DAM |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Guadalupe Lateral-Rio Grande (HUC 130401000406) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 35Pollutants on file
- 6Under a numeric limit
- 35With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| E. coli | 2 | 40 | 24 | August 31, 2025 | 506% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 22 | 3 | November 30, 2025 | 853% over the limit |
| Solids, total suspended | 3 | 22 | 1 | February 28, 2025 | 11% over the limit |
| pH | 2 | 22 | 1 | January 31, 2015 | |
| Arsenic, dry weight | 0 | 35 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 0 | 35 | 0 | ||
| Selenium, dry weight | 0 | 21 | 0 | ||
| Copper, dry weight | 0 | 21 | 0 | ||
| Cadmium, dry weight | 0 | 21 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 0 | 21 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 0 | 21 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 0 | 21 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 0 | 21 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 0 | 21 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 16 | 0 | ||
| Nickel, total [as Ni] | 0 | 14 | 0 | ||
| Level of pathogen requirements achieved | 0 | 14 | 0 | ||
| Description of pathogen option used | 0 | 14 | 0 | ||
| Vector attraction reduction alternative used | 0 | 14 | 0 | ||
| Unit w/liner/leachate collection system | 0 | 7 | 0 | ||
| Boundary areas | 0 | 7 | 0 | ||
| Pollutant table from 503.13 | 0 | 7 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 6 | 0 | ||
| Fecal coliform | 0 | 6 | 0 | ||
| Salmonella | 0 | 6 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 0 | 5 | 0 | ||
| Toxicity characteristic leaching procedure | 0 | 5 | 0 | ||
| Ann. amt sludge disposed by other method | 0 | 5 | 0 | ||
| Annual amt of sludge incinerated | 0 | 5 | 0 | ||
| Annual sludge production, total | 0 | 5 | 0 | ||
| Annual amount of sludge land applied | 0 | 5 | 0 | ||
| Annual amt. sludge disposed surface unit | 0 | 5 | 0 | ||
| Annual amt sludge disposed in landfill | 0 | 5 | 0 | ||
| Annual amt sludge transported interstate | 0 | 5 | 0 | ||
| Compliance w/part 258 sludge requirement | 0 | 5 | 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 |
|---|---|---|
| October 24, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| October 9, 2017 | 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 TX0126772 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.