Water Quality in AUSTIN, TX (78744)

EPA violation data for public water systems serving ZIP code 78744.

610

Total Violations

97

Health-Based

513

Monitoring / Reporting

588

Resolved

What does this mean?

588 of 610 violations have been resolved. 97 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 513 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.

Water systems: 103 Population served: 42,529

Violations Detail (610 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Public NoticeMonitoringN/AN/ASep 24, 2025ActiveN/A
Public NoticeMonitoringN/AN/ASep 6, 2025ActiveN/A
Revised Total Coliform RuleMonitoringN/AN/AAug 31, 2025ResolvedN/A
Public NoticeMonitoringN/AN/AAug 21, 2025ActiveN/A
Revised Total Coliform RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
Public NoticeMonitoringN/AN/AJul 20, 2025ResolvedN/A
TTHMHealth-BasedN/A0.101Jun 30, 2025ResolvedN/A
TTHMHealth-BasedN/A0.101Jun 30, 2025ResolvedN/A
TTHMHealth-BasedN/A0.101Jun 30, 2025ResolvedN/A
TTHMHealth-BasedN/A0.101Jun 30, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(78)

Public Notice

75

Sep 24Active

Public Notice

75

Sep 6Active

Revised Total Coliform Rule

3A

Aug 31Resolved

Public Notice

75

Aug 21Active

Revised Total Coliform Rule

3A

Jul 31Resolved

Public Notice

75

Jul 20Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

Lead and Copper Rule

51

Jun 30Active

Lead and Copper Rule

51

Jun 30Active

Lead and Copper Rule

51

Jun 30Active

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Public Notice

75

Jun 28Resolved

Public Notice

75

Jun 28Resolved

Public Notice

75

Jun 18Resolved

Public Notice

75

Jun 18Resolved

Revised Total Coliform Rule

2A

May 30Resolved

Revised Total Coliform Rule

2A

May 30Resolved

Revised Total Coliform Rule

2A

May 30Resolved

Revised Total Coliform Rule

2A

May 30Resolved

E. COLI

34

May 27Resolved

E. COLI

34

May 27Resolved

E. COLI

34

May 27Resolved

E. COLI

34

May 27Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Public Notice

75

Apr 26Resolved

Public Notice

75

Apr 26Resolved

Public Notice

75

Apr 26Resolved

Public Notice

75

Apr 26Resolved

E. COLI

34

Apr 2Resolved

E. COLI

34

Apr 2Resolved

E. COLI

34

Apr 2Resolved

E. COLI

34

Apr 2Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

Surface Water Treatment Rule

36

Feb 28Resolved

Surface Water Treatment Rule

36

Feb 28Resolved

Surface Water Treatment Rule

36

Feb 28Resolved

Surface Water Treatment Rule

36

Feb 28Resolved

Surface Water Treatment Rule

36

Feb 28Resolved

Surface Water Treatment Rule

36

Feb 28Resolved

Surface Water Treatment Rule

36

Feb 28Resolved

Surface Water Treatment Rule

36

Feb 28Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

38

Feb 28Resolved

Surface Water Treatment Rule

36

Feb 28Resolved

Surface Water Treatment Rule

36

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

38

Feb 28Resolved

Surface Water Treatment Rule

36

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

38

Feb 28Resolved

Surface Water Treatment Rule

36

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

38

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

38

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

38

Feb 28Resolved

Public Notice

75

Feb 28Active

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

2024(133)

Interim Enhanced Surface Water Treatment Rule

38

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Dec 31Resolved

Nitrate

01

Dec 31Resolved

Nitrate

01

Dec 31Resolved

Nitrate

01

Dec 31Resolved

Nitrate

01

Dec 31Resolved

Nitrate

01

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Nitrate

01

Dec 31Resolved

Nitrate

01

Dec 31Resolved

Nitrate

01

Dec 31Resolved

Nitrate

01

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Nov 30Resolved

E. COLI

34

Nov 5Active

E. COLI

34

Nov 5Active

Public Notice

75

Oct 31Resolved

Public Notice

75

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

E. COLI

34

Oct 10Resolved

E. COLI

34

Oct 10Resolved

E. COLI

34

Oct 10Resolved

Interim Enhanced Surface Water Treatment Rule

38

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Sep 30Resolved

Nitrate

01

Sep 30Resolved

Nitrate

01

Sep 30Resolved

Nitrate

01

Sep 30Resolved

Nitrate

01

Sep 30Resolved

Nitrate

01

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Nitrate

01

Sep 30Resolved

Nitrate

01

Sep 30Resolved

Nitrate

01

Sep 30Resolved

Nitrate

01

Sep 30Resolved

Public Notice

75

Sep 8Resolved

Public Notice

75

Sep 8Resolved

Interim Enhanced Surface Water Treatment Rule

38

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jun 30Resolved

Surface Water Treatment Rule

36

Jun 30Resolved

Surface Water Treatment Rule

36

Jun 30Resolved

Surface Water Treatment Rule

36

Jun 30Resolved

Surface Water Treatment Rule

36

Jun 30Resolved

Surface Water Treatment Rule

36

Jun 30Resolved

Surface Water Treatment Rule

36

Jun 30Resolved

Surface Water Treatment Rule

36

Jun 30Resolved

Surface Water Treatment Rule

36

Jun 30Resolved

Surface Water Treatment Rule

36

Jun 30Resolved

Surface Water Treatment Rule

36

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

May 31Resolved

Surface Water Treatment Rule

36

May 31Resolved

Surface Water Treatment Rule

36

May 31Resolved

Surface Water Treatment Rule

36

May 31Resolved

Surface Water Treatment Rule

36

May 31Resolved

Surface Water Treatment Rule

36

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Surface Water Treatment Rule

36

Apr 30Resolved

Surface Water Treatment Rule

36

Apr 30Resolved

Surface Water Treatment Rule

36

Apr 30Resolved

Surface Water Treatment Rule

36

Apr 30Resolved

Surface Water Treatment Rule

36

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Mar 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Mar 31Resolved

Nitrate

01

Mar 31Resolved

Nitrate

01

Mar 31Resolved

Nitrate

01

Mar 31Resolved

Nitrate

01

Mar 31Resolved

Public Notice

75

Mar 14Resolved

Public Notice

75

Mar 14Resolved

Interim Enhanced Surface Water Treatment Rule

38

Feb 29Resolved

Interim Enhanced Surface Water Treatment Rule

38

Feb 29Resolved

Interim Enhanced Surface Water Treatment Rule

38

Feb 29Resolved

Interim Enhanced Surface Water Treatment Rule

38

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Revised Total Coliform Rule

3A

Feb 29Resolved

Public Notice

75

Feb 28Active

E. COLI

34

Feb 20Active

E. COLI

34

Feb 20Active

E. COLI

34

Feb 20Active

How Does This Compare?

AUSTIN (78744) has 610 recorded violations, including 97 health-based. 22 remain unresolved. Consider testing your tap water independently for added peace of mind.

Recommended Water Filters

Based on the contaminants detected in your area, these filter types may help improve your water quality.

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.

Nearby ZIP Codes

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