Public water system record
City of Thrall
Serves an area of Williamson County, TX that includes Thrall · 975 people served
Federal records show 2 health-based violations and no monitoring/reporting issues for City of Thrall in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- City of Thrall buys its water from Noack WSC and City of Taylor.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit), 2024.
- Most recent formal enforcement: signed compliance agreement by Texas, October 2003.
- Record on file since 1979, with 9 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 442 service lines.
Check whether City of Thrall 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 |
|---|---|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Jan 1, 2025 | 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, 2024 | Resolved | No |
Full record since 1979
EPA's records for City of Thrall go back to 1979. Before October 19, 2016 they list 9 health-based violations (3 resolved, 6 archived by EPA without a recorded fix) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 3 | 0 |
| 1980s | 1 | 0 |
| 1990s | 2 | 0 |
| 2000s | 3 | 0 |
| 2010 to October 18, 2016 | 0 | 2 |
| 2020s | 2 | 0 |
Most recent health-based violation before October 19, 2016: Nitrate (acute), began January 2003, Resolved.
Show all 9 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate (acute)
Contaminant limit exceeded
Measured 20 mg/L, federal limit 10 mg/L (2 times the limit)
|
Jan 1, 2003 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Oct 1, 2002 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
Measured 18.03 mg/L, federal limit 10 mg/L (1.8 times the limit)
|
Oct 1, 2001 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
May 10, 1995 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jan 16, 1990 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
May 13, 1986 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
May 23, 1979 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
May 23, 1979 | Archived |
|
Nitrate (acute)
Contaminant limit exceeded
|
May 23, 1979 | Archived |
Enforcement actions
Texas regulators took 1 formal enforcement action against City of Thrall in 2003, filed as 2 records in EPA's data. The most recent was a signed compliance agreement in October 2003.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 23, 2003 | Texas | Signed compliance agreement | 3 violations (3 health-based): Nitrate |
What the violations mean
Total Trihalomethanes (TTHMs)
2 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Where the water comes from
City of Thrall buys its water from Noack WSC and City of Taylor. It lists no wells or intakes of its own.
Buys water from
- Noack WSC Thrall, TX
- City of Taylor Taylor, TX
Annual water quality report
City of Thrall 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