Water Quality in Austin, TX (78737)
EPA violation data for public water systems serving ZIP code 78737.
Active Health Violations
9 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 86% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
27,023
Population
23
Water Systems
36
Violations (5yr)
9
Health-Based
Location
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Water Systems Serving This Area (23)
City Of Austin Water & Wastewater
1 health-basedCity Of San Marcos
City Of Pflugerville
3 health-basedCity Of Kyle
Texas State University - San Marcos
Goforth Sud
2 health-basedCounty Line Sud
All resolvedHill Country Wsc
Edgewater Springs
Friendship Baptist Church
High Valley Wsc
1 health-basedAustin Waldorf School Inc
My Real Life
Radiance Wsc
1 health-basedPearland Regional Airport
Fair Oaks Water System
Jp And Lp Rentals
All resolvedSignal Hill Water System 24
1 health-basedLa Chimenea
Wagon Road Bar-B-Que
Prochnow Country Homes
All resolvedSignal Hills 30 Cooperative
Hill Country Water Delivery
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Used to disinfect water — generally safe at regulated levels.
Annual water quality report delivery requirement.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Austin (78737) has more violations than 86% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 36.
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.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
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.