Water Quality in Austin, TX (78640)

EPA violation data for public water systems serving ZIP code 78640.

Past Health-Based Violations

7 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 14 monitoring/reporting violations.

More violations than 79% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

77,531

Population

13

Water Systems

21

Violations (5yr)

7

Health-Based

Location

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Water Systems Serving This Area (13)

City Of Austin Water & Wastewater

1 health-based
Surface water 1,115,323 people served
1 violation (5yr) · 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

City Of San Marcos

Surface water 72,970 people served
0 violations
Lead tested: 1.63 ppb (limit: 15 ppb)

City Of Pflugerville

3 health-based
Surface water 63,464 people served
4 violations (5yr) · 3 health-based · All resolved
Lead tested: 1.1 ppb (limit: 15 ppb)

City Of Kyle

Purchased surface water 52,000 people served
0 violations
Lead tested: 1.91 ppb (limit: 15 ppb)

Texas State University - San Marcos

Groundwater 43,552 people served
0 violations
Lead tested: 1.3 ppb (limit: 15 ppb)

Goforth Sud

2 health-based
Purchased surface water 34,893 people served
6 violations (5yr) · 2 health-based · All resolved

County Line Sud

All resolved
Purchased surface water 19,609 people served
2 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

City Of Lockhart

Purchased surface water 18,800 people served
0 violations
Lead tested: 1.56 ppb (limit: 15 ppb)

Hays Cisd Jack C Hays High School

1 health-based
Groundwater 4,048 people served
8 violations (5yr) · 1 health-based · All resolved
Lead tested: 7.85 ppb (limit: 15 ppb)

Aztec Village Mhp

Groundwater 393 people served
0 violations

Amber Springs Event Center

Groundwater 300 people served
0 violations

Aqua Trio Mobile Home Park

Groundwater 45 people served
0 violations

Austin Bulk Water

Purchased surface water 25 people served
0 violations

Contaminants Found

TTHMHealth-Based
6 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
2 violations
All resolved
Interim Enhanced Surface Water Treatment RuleHealth-Based
1 violation
All resolved
Public NoticeMonitoring
5 violations
All resolved
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

5 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Austin (78640) has more violations than 79% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 21.

Fewer violations 79th percentile More violations

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.

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