Water Quality in Austin, TX (78701)

EPA violation data for public water systems serving ZIP code 78701.

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

11,824

Population

55

Water Systems

36

Violations (5yr)

13

Health-Based

Location

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Water Systems Serving This Area (55)

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 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)

Sonterra Mud

All resolved
Purchased surface water 16,614 people served
1 violation (5yr) · All resolved
Lead tested: 0.43 ppb (limit: 15 ppb)

Northtown Mud

All resolved
Purchased surface water 11,520 people served
1 violation (5yr) · All resolved
Lead tested: 0.44 ppb (limit: 15 ppb)

Williamson County Wsid 3

Purchased groundwater 8,265 people served
0 violations

Travis County Mud 4

Surface water 6,816 people served
4 violations (5yr)
Lead tested: 0 ppb (limit: 15 ppb)

Cottonwood Creek Mud 1

All resolved
Purchased groundwater 5,082 people served
3 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Lazy Nine Mud 1b

1 health-based
Purchased surface water 4,669 people served
3 violations (5yr) · 1 health-based
Lead tested: 1.09 ppb (limit: 15 ppb)

Williamson County Mud 11

Purchased surface water 4,248 people served
0 violations
Lead tested: 4.97 ppb (limit: 15 ppb)

Williamson County Mud 10

Purchased surface water 3,513 people served
0 violations

Wilbarger Creek Mud 1

Purchased groundwater 3,459 people served
0 violations
Lead tested: 2.61 ppb (limit: 15 ppb)

Hays County Wcid 2

Purchased surface water 3,381 people served
0 violations

Travis County Mud 14

Purchased groundwater 3,333 people served
0 violations

Travis County Mud 2

Purchased groundwater 3,294 people served
0 violations

Paloma Lake Mud 1

Purchased surface water 3,111 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Lakeside Wcid 2-C

Purchased surface water 3,084 people served
0 violations

Hays County Wcid 1

Purchased surface water 2,850 people served
0 violations
Lead tested: 0.99 ppb (limit: 15 ppb)

Lakeside Mud 3

Purchased surface water 2,832 people served
0 violations
Lead tested: 1.36 ppb (limit: 15 ppb)

Vista Oaks Mud

Purchased surface water 2,724 people served
0 violations
Lead tested: 2.26 ppb (limit: 15 ppb)

Lakeside Wcid 2d

2 health-based
Purchased surface water 2,385 people served
3 violations (5yr) · 2 health-based · All resolved

Kelly Lane Wcid 1

Purchased groundwater 2,331 people served
0 violations

Paloma Lake Mud 2

Purchased surface water 2,265 people served
0 violations

The Colony Mud 1a

All resolved
Purchased groundwater 2,262 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Lakeside Wcid 1

Purchased surface water 1,680 people served
0 violations

Travis County Mud 13

Purchased surface water 1,644 people served
0 violations

Travis County Mud 12

Purchased surface water 1,644 people served
0 violations

Travis County Mud 11

Purchased surface water 1,437 people served
0 violations

Lakeside Wcid 2-B

Purchased surface water 1,419 people served
0 violations

Lakeside Wcid 2-A

Purchased surface water 1,353 people served
0 violations

Kelly Lane Wcid 2

Purchased groundwater 1,221 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Travis County Wcid 20

Surface water 1,092 people served
0 violations

Txdot Ih 40 Rest Area East

Groundwater 750 people served
0 violations

The Colony Mud 1b

Purchased groundwater 657 people served
1 violation (5yr)
Lead tested: 0 ppb (limit: 15 ppb)

Lakeside Mud 5

Purchased surface water 546 people served
0 violations

The Colony Mud 1e

All resolved
Purchased groundwater 468 people served
2 violations (5yr) · All resolved
Lead tested: 0.24 ppb (limit: 15 ppb)

Travis County Mud 8

Groundwater 310 people served
0 violations

Albert Ice House & Dance Hall

Purchased surface water 299 people served
0 violations

The Colony Mud 1d

Purchased groundwater 276 people served
0 violations

The Colony Mud 1c

Purchased groundwater 219 people served
0 violations
Lead tested: 0.62 ppb (limit: 15 ppb)

West Bastrop Village Mud

All resolved
GUP 120 people served
2 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Miralomas Mud

4 health-based
Purchased surface water 113 people served
5 violations (5yr) · 4 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Riverside Rvp

Groundwater 109 people served
0 violations

T.D.H. & P.T.-Lamarque Maint.

Groundwater 64 people served
0 violations

Central Texas Vipassana Association

Groundwater 50 people served
0 violations

Elgin Municipal Utility District 2

Purchased groundwater 45 people served
0 violations
Lead tested: 0.96 ppb (limit: 15 ppb)

Cow Creek Lakeside Lodge Ws

Groundwater 30 people served
0 violations

Camp Glen Garrie

Groundwater 25 people served
0 violations

Lazy Nine Mud 1a

1 health-based
Purchased surface water 25 people served
3 violations (5yr) · 1 health-based
Lead tested: 2.58 ppb (limit: 15 ppb)

Txdot Victoria County Sra Sb

Purchased surface water 0
0 violations

Txdot Orange County Sra Eb

Groundwater 0
0 violations

Paseo Del Este Mud 11

Purchased surface water 0
0 violations

Txdot Sutton County Sra Eb

Groundwater 0
0 violations

Wilbarger Creek Mud 2

1 health-based
Purchased groundwater 0
2 violations (5yr) · 1 health-based · All resolved

Txdot Navarro County Sra

Purchased surface water 0
0 violations

Txdot Orange County Sra Wb

Groundwater 0
0 violations

Contaminants Found

TTHMHealth-Based
8 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
8 violations
All resolved
Interim Enhanced Surface Water Treatment RuleHealth-Based
1 violation
All resolved
Lead and Copper RuleMonitoring

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

10 violations
Has active
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

5 violations
All resolved
Public NoticeMonitoring
4 violations
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jul 2025

How Does This Compare?

Austin (78701) has more violations than 82% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 36.

Fewer violations 82th 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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