Clean Water Act discharge permit · NPDES TX0022420
CITY OF FROST WWTF, Frost, TX: NPDES TX0022420 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 38Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
- 0Inspections on file
- 1Formal enforcement actions
CITY OF FROST WWTF, held by CITY OF FROST, holds NPDES permit TX0022420, which discharges to Unnamed Trib, Elm Branch, Mill Cree. EPA’s file records it issued December 13, 2016 and expiring December 1, 2021. 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 | CITY OF FROST WWTF |
|---|---|
| Permittee as filed | CITY OF FROST |
| NPDES ID | TX0022420 |
| 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 | December 13, 2016 |
| Expiration date | December 1, 2021 |
| Address | Frost, TX 76641 |
| Receiving water | UNNAMED TRIB, ELM BRANCH, MILL CREE |
| Subwatershed | Lower Mill Creek (HUC 120301090206) |
| 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
- 38Pollutants on file
- 38Under a numeric limit
- 31With a violation of any kind
- 8With 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] | 3 | 161 | 134 | July 31, 2026 | 1,420% over the limit |
| Solids, total suspended | 3 | 124 | 94 | July 31, 2026 | 866% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 78 | 45 | April 30, 2026 | 310% over the limit |
| pH | 3 | 34 | 16 | July 31, 2026 | |
| Oxygen, dissolved [DO] | 1 | 20 | 11 | February 28, 2007 | 50% over the limit |
| E. coli | 2 | 21 | 9 | June 30, 2026 | 99,999% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 26 | 6 | January 31, 2024 | 282% over the limit |
| Chlorine, total residual | 2 | 23 | 5 | November 30, 2022 | 113% over the limit |
| Annual amt sludge disposed in landfill | 1 | 4 | 0 | ||
| Annual amt sludge transported interstate | 1 | 4 | 0 | ||
| Arsenic, dry weight | 5 | 3 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 3 | 0 | ||
| Selenium, dry weight | 3 | 3 | 0 | ||
| Copper, dry weight | 3 | 3 | 0 | ||
| Cadmium, dry weight | 3 | 3 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 3 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 3 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 3 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 3 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 3 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 3 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 3 | 0 | ||
| Annual amt of sludge incinerated | 1 | 3 | 0 | ||
| Annual sludge production, total | 1 | 3 | 0 | ||
| Annual amount of sludge land applied | 1 | 3 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 3 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 2 | 0 | ||
| Level of pathogen requirements achieved | 2 | 1 | 0 | ||
| Description of pathogen option used | 2 | 1 | 0 | ||
| Vector attraction reduction alternative used | 2 | 1 | 0 | ||
| Pollutant table from 503.13 | 1 | 1 | 0 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Fecal coliform | 1 | 0 | 0 | ||
| Annual whole sludge application rate | 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 |
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 |
|---|---|---|
| April 27, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| February 7, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES TX0022420.
Formal enforcement and penalties
1 formal actions, 1 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
| Date | What EPA recorded | Agency | Federal penalty | State or local penalty |
|---|---|---|---|---|
| January 21, 2026 | State CWA Penalty AO | State | $50,375 |
Informal enforcement
| Date | What EPA recorded | Agency |
|---|---|---|
| August 17, 2026 | Phone Call/ EMAIL | State |
| January 20, 2026 | Under Review | State |
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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Start the watch
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- 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 TX0022420 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.