Water Quality in HOUSTON, TX (77265)

EPA violation data for public water systems serving ZIP code 77265.

555

Total Violations

242

Health-Based

313

Monitoring / Reporting

547

Resolved

What does this mean?

547 of 555 violations have been resolved. 242 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 313 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: 1 Population served: 801

Violations Detail (555 total)

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

Violation Timeline

2025(51)

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

Public Notice

75

Jul 30Active

Interim Enhanced Surface Water Treatment Rule

38

Jun 30Resolved

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

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

Public Notice

75

May 30Resolved

Public Notice

75

May 30Resolved

Public Notice

75

May 14Active

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

Interim Enhanced Surface Water Treatment Rule

38

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

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

Public Notice

75

Mar 30Resolved

Public Notice

75

Mar 30Resolved

Public Notice

75

Mar 30Resolved

Public Notice

75

Mar 28Active

Public Notice

75

Mar 28Active

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

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

Long Term 2 Enhanced Surface Water Treatment Rule

41

Feb 28Resolved

Surface Water Treatment Rule

42

Jan 31Active

Surface Water Treatment Rule

42

Jan 31Active

Surface Water Treatment Rule

42

Jan 31Active

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

2024(110)

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

Public Notice

75

Oct 10Resolved

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

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

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

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

Long Term 2 Enhanced Surface Water Treatment Rule

41

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

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

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

Public Notice

75

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

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

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

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

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

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

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

Apr 30Resolved

Interim Enhanced Surface Water Treatment Rule

38

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

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

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

Long Term 2 Enhanced Surface Water Treatment Rule

41

Mar 31Resolved

Surface Water Treatment Rule

36

Mar 31Resolved

Surface Water Treatment Rule

36

Mar 31Resolved

Surface Water Treatment Rule

36

Mar 31Resolved

Surface Water Treatment Rule

36

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

Mar 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Mar 31Resolved

Long Term 2 Enhanced Surface Water Treatment Rule

41

Mar 31Resolved

Public Notice

75

Mar 30Resolved

Public Notice

75

Mar 30Resolved

Public Notice

75

Mar 1Resolved

Public Notice

75

Mar 1Resolved

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

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

Long Term 2 Enhanced Surface Water Treatment Rule

41

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

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

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

Long Term 2 Enhanced Surface Water Treatment Rule

41

Jan 31Resolved

Public Notice

75

Jan 30Resolved

Public Notice

75

Jan 30Resolved

How Does This Compare?

HOUSTON (77265) has 555 recorded violations, including 242 health-based. 8 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.

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