Public water system record
Travis County MUD 4
Serves Barton Creek, Travis County, TX · 6,816 people served
Federal records show no health-based violations and 4 monitoring/reporting issues for Travis County MUD 4 in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 4
Key facts
- Travis County MUD 4 draws water from 1 surface water intake.
- Record on file since 2005, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 809 service lines.
Check whether Travis County MUD 4 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Sep 29, 2025 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2024 | Resolved |
Full record since 2005
EPA's records for Travis County MUD 4 go back to 2005. Before October 19, 2016 they list no health-based violations and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 0 | 2 |
| 2020s | 0 | 4 |
Where the water comes from
Travis County MUD 4 draws water from 1 surface water intake. It also has an emergency connection to Travis County WCID 20. 2 other community water systems buy water from Travis County MUD 4. 1 other public water system has an emergency connection to Travis County MUD 4.
Emergency or part-time connections to
- Travis County WCID 20 Austin, TX
Community systems that buy water from it
- Barton Creek WSC Round Rock, TX
- Travis County WCID 19 Austin, TX
Annual water quality report
Travis County MUD 4 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