Clean Water Act discharge permit · NPDES TX0118991
CITY OF ZAVALLA WWTP, Zavalla, TX: NPDES TX0118991 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 36Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
CITY OF ZAVALLA WWTP, held by ZAVALLA, CITY OF, holds NPDES permit TX0118991, which discharges to Unnamed Tributary; Sandy Creek. EPA’s file records it issued September 12, 2016 and expiring August 1, 2021. 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 | CITY OF ZAVALLA WWTP |
|---|---|
| Permittee as filed | ZAVALLA, CITY OF |
| NPDES ID | TX0118991 |
| 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 12, 2016 |
| Expiration date | August 1, 2021 |
| Address | Zavalla, TX 75980 |
| Receiving water | UNNAMED TRIBUTARY; SANDY CREEK |
| Subwatershed | Sandy Creek-Shawnee Creek (HUC 120200020506) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 36Pollutants on file
- 36Under a numeric limit
- 6With 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 |
|---|---|---|---|---|---|
| Oxygen, dissolved [DO] | 1 | 39 | 18 | September 30, 2022 | 75% over the limit |
| E. coli | 2 | 62 | 17 | October 31, 2023 | 367% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 71 | 6 | October 31, 2023 | 48% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 59 | 2 | June 30, 2024 | 115% over the limit |
| Solids, total suspended | 2 | 44 | 2 | September 30, 2015 | 27% over the limit |
| pH | 3 | 44 | 0 | ||
| Arsenic, dry weight | 5 | 0 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 0 | 0 | ||
| Selenium, dry weight | 3 | 0 | 0 | ||
| Copper, dry weight | 3 | 0 | 0 | ||
| Cadmium, dry weight | 3 | 0 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 0 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 0 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 0 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 0 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 0 | 0 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Level of pathogen requirements achieved | 2 | 0 | 0 | ||
| Description of pathogen option used | 2 | 0 | 0 | ||
| Vector attraction reduction alternative used | 2 | 0 | 0 | ||
| Fecal coliform | 1 | 0 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 0 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 0 | 0 | ||
| Annual whole sludge application rate | 1 | 0 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 0 | 0 | ||
| Annual amt of sludge incinerated | 1 | 0 | 0 | ||
| Annual sludge production, total | 1 | 0 | 0 | ||
| Annual amount of sludge land applied | 1 | 0 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 0 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 0 | 0 | ||
| Annual amt sludge transported interstate | 1 | 0 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 0 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 0 | 0 | ||
| Boundary areas | 1 | 0 | 0 | ||
| Salmonella | 1 | 0 | 0 | ||
| Pollutant table from 503.13 | 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
- 8Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 3, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| November 21, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| October 13, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| March 28, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| July 20, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| November 28, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| January 26, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| May 25, 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.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.