Public water system record
City of Round Rock
Serves Round Rock, Williamson County, TX · 130,662 people served
Federal records show no health-based violations and no monitoring or reporting issues for City of Round Rock 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
- 0
Key facts
- City of Round Rock draws water from 3 wells and 1 surface water intake.
- Most recent formal enforcement: compliance order with a penalty by Texas, July 2004.
- Record on file since 2002, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 311 unknown out of 8,458 service lines.
Check whether City of Round Rock 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, and no monitoring or reporting violations either.
Full record since 2002
EPA's records for City of Round Rock go back to 2002. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 3 | 1 |
| 2010 to October 18, 2016 | 0 | 1 |
Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began December 2004, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
Dec 1, 2004 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.064 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
Jan 1, 2003 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.064 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
Oct 1, 2002 | Resolved |
Enforcement actions
Texas regulators took 2 formal enforcement actions against City of Round Rock between 2003 and 2004. The most recent was a compliance order with a penalty in July 2004.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jul 5, 2004 | Texas | Compliance order with a penalty | 2 violations (2 health-based): Haloacetic Acids (HAA5) |
| Dec 19, 2003 | Texas | Compliance order with a penalty | 1 violation (1 health-based): Haloacetic Acids (HAA5) |
Where the water comes from
City of Round Rock draws water from 3 wells and 1 surface water intake. It also buys water from Brushy Creek Regional Utility Authority. It also has emergency connections to City of Austin Water & Wastewater and City of Georgetown. 11 other community water systems buy water from City of Round Rock. 3 other public water systems have emergency connections to City of Round Rock.
Buys water from
- Brushy Creek Regional Utility Authority Round Rock, TX
Emergency or part-time connections to
- City of Austin Water & Wastewater Austin, TX
- City of Georgetown Georgetown, TX
Community systems that buy water from it
- Blessing Mobile Home Park Round Rock, TX
- City of Georgetown Georgetown, TX
- Fern Bluff MUD Round Rock, TX
- Paloma Lake MUD 1 Austin, TX
- Paloma Lake MUD 2 Austin, TX
- Round Rock Ranch PUD Utility Company Hutto, TX
- Tal Tex Austin, TX
- Vista Oaks MUD Austin, TX
- Walsh Ranch MUD Round Rock, TX
- Williamson County MUD 10 Austin, TX
- Williamson County MUD 11 Austin, TX
Annual water quality report
City of Round Rock 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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