Public water system record
Barton Creek Lakeside
Serves an area of Travis County and Burnet County, TX · 1,023 people served
Federal records show 5 health-based violations and 7 monitoring/reporting issues for Barton Creek Lakeside 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
- 5
- Resolved
- 5
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 7
Key facts
- Barton Creek Lakeside draws water from 2 wells and 1 surface water intake.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.118 mg/L, federal limit 0.08 mg/L (1.5 times the limit), 2025.
- Most recent formal enforcement: compliance order with a penalty by Texas, September 2025.
- Record on file since 2008, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 10 unknown out of 395 service lines.
Check whether Barton Creek Lakeside 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 | Apr 1, 2025 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.118 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
|
220 | Jan 1, 2025 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.116 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
|
220 | Oct 1, 2024 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.114 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
|
220 | Jul 1, 2024 | Resolved | No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Apr 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
|
May 12, 2023 | Resolved |
|
Public Notice
OTHER
|
May 12, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2022 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2022 | Resolved |
|
Public Notice
OTHER
|
Aug 16, 2018 | Resolved |
|
E. coli
Monitoring and reporting
|
Aug 1, 2016 | Resolved |
Full record since 2008
EPA's records for Barton Creek Lakeside go back to 2008. Before October 19, 2016 they list no health-based violations and 4 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 0 | 1 |
| 2010 to October 18, 2016 | 0 | 3 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 5 | 5 |
Enforcement actions
Texas regulators took 1 formal enforcement action against Barton Creek Lakeside in 2025. The most recent was a compliance order with a penalty in September 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 30, 2025 | Texas | Compliance order with a penalty | 4 violations (4 health-based): Total Trihalomethanes (TTHMs) |
What the violations mean
Total Trihalomethanes (TTHMs)
4 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Surface Water Treatment Rule
1 incidentThe system did not complete a treatment step or action that the Surface Water Treatment Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Barton Creek Lakeside draws water from 2 wells and 1 surface water intake. It also has an emergency connection to Lakecliff on Lake Travis.
Emergency or part-time connections to
- Lakecliff on Lake Travis Austin, TX
Annual water quality report
Barton Creek Lakeside 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