Round Rock
Is Round Rock tap water safe to drink?
Mostly yes — Round Rock scores 88/100. This report aggregates EPA drinking water data across 6 local systems in Round Rock. We found 184 total violations (18 unresolved).
Real-Time Environment
Live: 06:30 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Round Rock.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Round Rock?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Filter or no filter for Round Rock water? Here's what the data says.
Baby Formula Safety
What new parents in Round Rock should know about tap water safety.
Homebuyer's Perspective
Water quality is easy to overlook when evaluating a move to Round Rock, but it can affect plumbing longevity and appliance lifespan. The high safety score (88/100) suggests lower risk for plumbing corrosion and appliance scaling.
Health & Family Safety
Residents should monitor Lead (90th percentile) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.
View Health Risk Glossary →Compliance Record for Round Rock
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Round Rock.
Frequently Asked Questions
Is Round Rock tap water safe to drink?
Mostly yes — Round Rock scores 88/100.
How many water systems serve Round Rock?
Round Rock is served by 6 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Round Rock?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Round Rock.
What is the water quality score for Round Rock?
The water quality score for Round Rock is 88 out of 100, based on EPA contaminant data, violation history, and testing results across the 6 systems serving the city.
What are the top contaminants in Round Rock?
The top contaminants detected in Round Rock include Lead (90th percentile). View detailed information on our contaminants page.
Round Rock Water Quality Summary
Round Rock, TX receives a water quality score of 88/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 6 public water systems serving the area.
Round Rock's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.
Round Rock's score of 88 is 12 points above the Texas state average of 76, and above the nationwide average of roughly 78/100 across all U.S. states.
For families settling in this mid-size Texas city, drinking water is delivered across several local distribution networks that serve the Round Rock community. The backdrop of this South-central region—characterized by large urban centers, oil and gas development, and a varied geological landscape—means the source water interacts with distinct environmental factors before treatment. Fortunately, home buyers will find that local supplies consistently deliver a solid, above-average tier of quality, reflecting a well-managed infrastructure with only minor issues keeping it from a perfect evaluation.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Texas water quality rankings report →
Key Contaminants
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Water Systems Serving Round Rock (6)
Travis County Mud 18
ACity Of Round Rock
AHeadwaters At Barton Creek
ABlessing Mobile Home Park
DFern Bluff Mud
ABrushy Creek Mud
BCheck Your Specific Address
Water quality can vary by neighborhood in Round Rock.
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