Water Quality in SAN ANTONIO, TX (78260)

EPA violation data for public water systems serving ZIP code 78260.

552

Total Violations

216

Health-Based

336

Monitoring / Reporting

549

Resolved

What does this mean?

549 of 552 violations have been resolved. 216 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 336 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: 6 Population served: 523

Violations Detail (552 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Public NoticeMonitoringN/AN/ASep 4, 2025ActiveN/A
Public NoticeMonitoringN/AN/ASep 4, 2025ActiveN/A
Public NoticeMonitoringN/AN/AAug 30, 2025ActiveN/A
Interim Enhanced Surface Water Treatment RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
Long Term 2 Enhanced Surface Water Treatment RuleHealth-BasedN/AN/AJul 31, 2025ResolvedN/A
Long Term 2 Enhanced Surface Water Treatment RuleHealth-BasedN/AN/AJul 31, 2025ResolvedN/A
Public NoticeMonitoringN/AN/AJun 30, 2025ResolvedN/A
Public NoticeMonitoringN/AN/AJun 30, 2025ResolvedN/A
Long Term 2 Enhanced Surface Water Treatment RuleHealth-BasedN/AN/AJun 30, 2025ResolvedN/A
Long Term 2 Enhanced Surface Water Treatment RuleHealth-BasedN/AN/AJun 30, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(57)

Public Notice

75

Sep 4Active

Public Notice

75

Sep 4Active

Public Notice

75

Aug 30Active

Interim Enhanced Surface Water Treatment Rule

38

Jul 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Jul 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Jul 31Resolved

Public Notice

75

Jun 30Resolved

Public Notice

75

Jun 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Jun 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

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

Interim Enhanced Surface Water Treatment Rule

38

May 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

May 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

May 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

May 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

43

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

43

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

43

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

43

May 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Apr 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Apr 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Apr 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Apr 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Apr 30Resolved

Public Notice

75

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Apr 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Mar 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Mar 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Mar 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

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

Interim Enhanced Surface Water Treatment Rule

38

Mar 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Feb 28Resolved

Interim Enhanced Surface Water Treatment Rule

38

Feb 28Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Feb 28Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Feb 28Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

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

Long Term 2 Enhanced Surface Water Treatment Rule

41

Jan 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Jan 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Jan 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

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

Public Notice

75

Jan 30Resolved

Public Notice

75

Jan 30Resolved

2024(127)

Long Term 2 Enhanced Surface Water Treatment Rule

41

Dec 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

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

Interim Enhanced Surface Water Treatment Rule

38

Dec 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Dec 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Dec 31Resolved

Public Notice

75

Dec 30Resolved

Public Notice

75

Dec 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Nov 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Nov 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Nov 30Resolved

Public Notice

75

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

Interim Enhanced Surface Water Treatment Rule

38

Nov 30Resolved

Public Notice

75

Nov 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Nov 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

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

Long Term 2 Enhanced Surface Water Treatment Rule

41

Oct 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Oct 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Sep 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Sep 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Sep 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Sep 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Sep 30Resolved

Public Notice

75

Sep 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Sep 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

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

Long Term 2 Enhanced Surface Water Treatment Rule

41

Aug 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Aug 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Aug 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Aug 31Resolved

Public Notice

75

Aug 30Resolved

Public Notice

75

Aug 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jul 31Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jul 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Jul 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Jul 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Jul 31Resolved

Public Notice

75

Jul 30Resolved

Public Notice

75

Jul 30Resolved

Public Notice

75

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jun 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Jun 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Jun 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Jun 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jun 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Jun 30Resolved

Public Notice

75

Jun 12Resolved

Public Notice

75

Jun 12Resolved

Interim Enhanced Surface Water Treatment Rule

38

May 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

May 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

May 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

May 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

May 31Resolved

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

Public Notice

75

May 30Resolved

Public Notice

75

May 30Resolved

Public Notice

75

May 15Resolved

Public Notice

75

May 15Resolved

Public Notice

75

May 15Resolved

Interim Enhanced Surface Water Treatment Rule

38

Apr 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Apr 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Apr 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Apr 30Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Apr 30Resolved

Surface Water Treatment Rule

36

Mar 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Mar 31Resolved

Surface Water Treatment Rule

36

Mar 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Mar 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Mar 31Resolved

Surface Water Treatment Rule

36

Mar 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

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

Interim Enhanced Surface Water Treatment Rule

38

Mar 31Resolved

Surface Water Treatment Rule

36

Mar 31Resolved

Public Notice

75

Mar 30Resolved

Public Notice

75

Mar 30Resolved

Public Notice

75

Mar 20Resolved

Public Notice

75

Mar 20Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Feb 29Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Feb 29Resolved

Interim Enhanced Surface Water Treatment Rule

38

Feb 29Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Feb 29Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

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

Public Notice

75

Feb 23Resolved

Public Notice

75

Feb 23Resolved

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

Long Term 2 Enhanced Surface Water Treatment Rule

41

Jan 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Jan 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Jan 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Jan 31Resolved

Public Notice

75

Jan 30Resolved

Public Notice

75

Jan 30Resolved

Public Notice

75

Jan 14Resolved

Public Notice

75

Jan 14Resolved

How Does This Compare?

SAN ANTONIO (78260) has 552 recorded violations, including 216 health-based. 3 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

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Nearby ZIP Codes

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