Public water system record
Flag Creek Ranch
Serves an area of Llano County, TX · 117 people served
Federal records show 2 health-based violations and 13 monitoring/reporting issues for Flag Creek Ranch 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
- 13
Key facts
- Flag Creek Ranch draws water from 3 wells.
- Highest measured level in the last 10 years: Gross Alpha, Excl. Radon and U, 16 pCi/L, federal limit 15 pCi/L (1.1 times the limit), 2023.
- Record on file since 2015, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 20 unknown out of 43 service lines.
Check whether Flag Creek Ranch 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 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Jul 1, 2025 | Resolved | No |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 16 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
|
340 | Jul 1, 2023 | 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
|
Apr 3, 2025 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Feb 4, 2025 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 2, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Jan 29, 2024 | Active |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Combined Uranium
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2023 | Resolved |
|
Public Notice
OTHER
|
Aug 20, 2023 | Resolved |
|
Public Notice
OTHER
|
Jul 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2022 | Resolved |
|
Nitrate
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
Full record since 2015
EPA's records for Flag Creek Ranch go back to 2015. Before October 19, 2016 they list no health-based violations and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2010 to October 18, 2016 | 0 | 1 |
| 2020s | 2 | 13 |
What the violations mean
Total Trihalomethanes (TTHMs)
1 incidentDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Gross Alpha, Excl. Radon and U
1 incidentTest results for Gross Alpha, Excl. Radon and U were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about this violation.
Where the water comes from
Flag Creek Ranch draws water from 3 wells.
Annual water quality report
Flag Creek Ranch 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.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Flag Creek Ranch for a copy.
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