Public water system record
City of Frost
Serves Frost, Navarro County, TX · 882 people served
Federal records show 7 health-based violations and 12 monitoring/reporting issues for City of Frost in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 7
- Resolved
- 6
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 12
Key facts
- City of Frost draws water from 1 well.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.103 mg/L, federal limit 0.08 mg/L (1.3 times the limit), 2017.
- Most recent formal enforcement: compliance order with a penalty by Texas, April 2022.
- Record on file since 1980, with 11 health-based violations before October 19, 2016.
Check whether City of Frost serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Active | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.09 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Apr 1, 2021 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Jan 1, 2021 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Oct 1, 2020 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Oct 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.103 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
220 | Jul 1, 2017 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Apr 1, 2017 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
May 1, 2025 | Active |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
Public Notice
OTHER
|
Sep 9, 2021 | Resolved |
|
Public Notice
OTHER
|
Jun 3, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 30, 2020 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
E. coli
Monitoring and reporting
|
Oct 10, 2019 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2017 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
Full record since 1980
EPA's records for City of Frost go back to 1980. Before October 19, 2016 they list 11 health-based violations (2 resolved, 9 archived by EPA without a recorded fix) and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 7 | 0 |
| 1990s | 2 | 0 |
| 2000s | 0 | 1 |
| 2010 to October 18, 2016 | 2 | 0 |
| October 19, 2016 to 2019 | 3 | 4 |
| 2020s | 4 | 8 |
Most recent health-based violation before October 19, 2016: Total Coliform, began December 2015, Resolved.
Show all 11 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2015 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
Jan 1, 2010 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Apr 1, 1997 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Jul 30, 1992 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Jul 12, 1989 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Jul 12, 1989 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Mar 18, 1986 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Feb 17, 1983 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Feb 17, 1983 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Jan 21, 1980 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Jan 21, 1980 | Archived |
Enforcement actions
Texas regulators took 2 formal enforcement actions against City of Frost between 2018 and 2022. The most recent was a compliance order with a penalty in April 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Apr 18, 2022 | Texas | Compliance order with a penalty | 3 violations (2 health-based): Total Trihalomethanes (TTHMs), Chlorine |
| Oct 8, 2018 | Texas | Compliance order with a penalty | 3 violations (3 health-based): Total Trihalomethanes (TTHMs) |
What the violations mean
Total Trihalomethanes (TTHMs)
6 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
City of Frost draws water from 1 well. It also buys water from City of Corsicana.
Buys water from
- City of Corsicana Corsicana, TX
Annual water quality report
City of Frost must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Texas.
Certified drinking water labs by state EPA guidance for private wells