Water Quality in Austin, TX (78641)
EPA violation data for public water systems serving ZIP code 78641.
Active Health Violations
6 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 96% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
99,865
Population
28
Water Systems
101
Violations (5yr)
6
Health-Based
Location
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Water Systems Serving This Area (28)
City Of Austin Water & Wastewater
1 health-basedCity Of Georgetown
All resolvedCity Of Round Rock
City Of Leander
City Of Cedar Park
City Of Pflugerville
3 health-basedJonah Water Sud
All resolvedCity Of Hutto
Block House Mud
Great Oaks Subdivision
First Baptist Church Of Leande
English Acres
2 health-basedCalkins Country Store
Cypress Creek Marina
Queen'S Valley Inn
Cross Creek Water Supply Corp
Rocking V Inn
Highland Lakes Marina
Mount Chalet Water Supply Corp
Mickler Plaza
Sandy'S Inn
Travis View Water Assoc
Old Bagdad Estates
Ward Forest V Water Supplyy
Red Wagon Ranchettes
Lakeview Hills Est
Nameless Valley Ranch
V Js Cafe & Grocery
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: Jul 2025
How Does This Compare?
Austin (78641) has more violations than 96% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 101.
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
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) 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.