Tap Water Quality in Round Rock, Texas (ZIP 78681)
Serving Round Rock, Texas
Is the Tap Water Safe in Round Rock, Texas?
Tap water in Round Rock, Texas (ZIP 78681) has 12 contaminants above EPA health-based guidelines (MCLGs) in at least one of the 1 city served. We recommend reviewing detailed city reports below and considering a certified water filter for additional protection.
ZIP 78681 is served by 3 water utilities providing water to Round Rock. Water quality varies by utility and city. Click on the cities below to see detailed reports for your specific area.
Water Quality Report for ZIP 78681
5 contaminants above EPA health guidelines
These levels represent the worst case across all cities in this ZIP code. Check individual city reports for specific details.
Found in Round Rock
Found in Round Rock
Found in Round Rock
Found in Round Rock
Found in Round Rock
Water Utilities Serving ZIP 78681
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Best Water Filters for Round Rock (ZIP 78681)
Based on the contaminants found in your area, we recommend NSF-certified water filters that can remove the specific contaminants above health guidelines.
Frequently Asked Questions about Round Rock Tap Water
Is the tap water safe in Round Rock, Texas (ZIP 78681)?
Which water utilities serve ZIP code 78681?
How do I pay my water bill in Round Rock (ZIP 78681)?
What contaminants are in Round Rock water (ZIP 78681)?
Should I use a water filter in Round Rock (ZIP 78681)?
What cities are in ZIP code 78681?
How we built this page
Water-quality data on this page comes from public federal and state records for the 3 utilityies serving ZIP 78681. We refresh each utility's record whenever its underlying source publishes new data.
- Contaminants & violations: EPA Safe Drinking Water Information System (SDWIS) plus the Unregulated Contaminant Monitoring Rule (UCMR-5) for PFAS and emerging contaminants.
- Annual reports: the most recent published Consumer Confidence Report (CCR) from each utility serving this ZIP, where available.
- Service area & contact: EPA SDWIS plus the Texas Department of Environmental Protection / Drinking Water program.
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