Water Quality in Austin, TX (78621)
EPA violation data for public water systems serving ZIP code 78621.
Active Health Violations
4 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 73% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
30,411
Population
13
Water Systems
14
Violations (5yr)
4
Health-Based
Location
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Water Systems Serving This Area (13)
City Of Austin Water & Wastewater
1 health-basedCity Of Georgetown
All resolvedCity Of Round Rock
City Of Leander
City Of Cedar Park
Aqua Wsc
All resolvedCity Of Pflugerville
3 health-basedJonah Water Sud
All resolvedCity Of Hutto
Lee County Wsc
All resolvedCity Of Elgin
All resolvedElgin Butler Brick 1
Greener Pastures Chicken
Contaminants Found
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Missed testing deadlines — not a detection of bacteria.
Used to disinfect water — generally safe at regulated levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Austin (78621) has more violations than 73% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 14.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.