Clean Water Act discharge permit · NPDES TX0132942
ZAPATA COUNTY CHIHUAHUA WWTP, Zapata, TX: NPDES TX0132942 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
ZAPATA COUNTY CHIHUAHUA WWTP, held by ZAPATA COUNTY, holds NPDES permit TX0132942, which discharges to International Falcon Reservoir. EPA’s file records it issued May 11, 2021 and expiring May 11, 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 | ZAPATA COUNTY CHIHUAHUA WWTP |
|---|---|
| Permittee as filed | ZAPATA COUNTY |
| NPDES ID | TX0132942 |
| 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 | May 11, 2021 |
| Expiration date | May 11, 2026 |
| Address | Zapata, TX 78076 |
| Receiving water | International Falcon Reservoir |
| Subwatershed | Headwaters Arroyo del Tigre Grande (HUC 130800030705) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 37Pollutants on file
- 8Under a numeric limit
- 37With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 3 | 86 | 17 | July 31, 2019 | 150% over the limit |
| Nitrogen, ammonia total [as N] | 3 | 82 | 13 | February 28, 2026 | 270% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 71 | 2 | April 30, 2026 | 11% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 47 | 1 | December 31, 2015 | 129% over the limit |
| Chlorine, total residual | 2 | 47 | 1 | April 30, 2016 | 87% over the limit |
| pH | 2 | 50 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 23 | 0 | ||
| Arsenic, dry weight | 0 | 20 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 0 | 20 | 0 | ||
| E. coli | 2 | 16 | 0 | ||
| Selenium, dry weight | 0 | 12 | 0 | ||
| Copper, dry weight | 0 | 12 | 0 | ||
| Cadmium, dry weight | 0 | 12 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 0 | 12 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 0 | 12 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 0 | 12 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 0 | 12 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 0 | 12 | 0 | ||
| Nickel, total [as Ni] | 0 | 8 | 0 | ||
| Level of pathogen requirements achieved | 0 | 8 | 0 | ||
| Description of pathogen option used | 0 | 8 | 0 | ||
| Vector attraction reduction alternative used | 0 | 8 | 0 | ||
| Unit w/liner/leachate collection system | 0 | 4 | 0 | ||
| Boundary areas | 0 | 4 | 0 | ||
| Pollutant table from 503.13 | 0 | 4 | 0 | ||
| Fecal coliform | 0 | 3 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 0 | 3 | 0 | ||
| Toxicity characteristic leaching procedure | 0 | 3 | 0 | ||
| Ann. amt sludge disposed by other method | 0 | 3 | 0 | ||
| Annual amt of sludge incinerated | 0 | 3 | 0 | ||
| Annual sludge production, total | 0 | 3 | 0 | ||
| Annual amount of sludge land applied | 0 | 3 | 0 | ||
| Annual amt. sludge disposed surface unit | 0 | 3 | 0 | ||
| Annual amt sludge disposed in landfill | 0 | 3 | 0 | ||
| Annual amt sludge transported interstate | 0 | 3 | 0 | ||
| Compliance w/part 258 sludge requirement | 0 | 3 | 0 | ||
| Salmonella | 0 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES TX0132942.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, TX0132942.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 TX0132942 there.
Nearby on the register
- Discharge permits in Zapata
- Every permit record in Zapata, A to Z
- Discharge permits in Texas
- Every permit record in Texas, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.