Water Quality in COLUMBUS, TX (78934)

EPA violation data for public water systems serving ZIP code 78934.

395

Total Violations

17

Health-Based

378

Monitoring / Reporting

384

Resolved

What does this mean?

384 of 395 violations have been resolved. 17 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 378 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: 28 Population served: 7,137

Violations Detail (395 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Lead and Copper RuleMonitoringN/AN/AJun 30, 2025ActiveN/A
Lead and Copper RuleMonitoringN/AN/AJun 30, 2025ActiveN/A
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Public NoticeMonitoringN/AN/AApr 30, 2025ActiveN/A
Public NoticeMonitoringN/AN/AApr 30, 2025ActiveN/A
Revised Total Coliform RuleMonitoringN/AN/AApr 30, 2025ResolvedN/A
Public NoticeMonitoringN/AN/AApr 30, 2025ResolvedN/A
Lead and Copper RuleMonitoringN/AN/AMar 31, 2025ActiveN/A
Revised Total Coliform RuleMonitoringN/AN/AMar 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMar 31, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(24)

Lead and Copper Rule

52

Jun 30Active

Lead and Copper Rule

52

Jun 30Active

Revised Total Coliform Rule

3A

May 31Resolved

Public Notice

75

Apr 30Active

Public Notice

75

Apr 30Active

Revised Total Coliform Rule

3A

Apr 30Resolved

Public Notice

75

Apr 30Resolved

Lead and Copper Rule

66

Mar 31Active

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

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

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

Revised Total Coliform Rule

3A

Feb 28Resolved

Public Notice

75

Feb 5Resolved

Public Notice

75

Feb 5Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

2024(56)

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Lead and Copper Rule

53

Dec 31Resolved

Lead and Copper Rule

53

Dec 31Resolved

Lead and Copper Rule

66

Dec 29Resolved

Lead and Copper Rule

66

Dec 29Resolved

Revised Total Coliform Rule

2A

Dec 6Active

Revised Total Coliform Rule

2A

Dec 6Active

Revised Total Coliform Rule

2A

Dec 6Active

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

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

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

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

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

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

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

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

E. COLI

34

Oct 7Active

E. COLI

34

Oct 7Active

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Lead and Copper Rule

53

Jun 30Resolved

Lead and Copper Rule

53

Jun 30Resolved

Lead and Copper Rule

53

Jun 30Resolved

E. COLI

34

Apr 8Resolved

E. COLI

34

Apr 8Resolved

E. COLI

34

Apr 8Resolved

E. COLI

34

Apr 8Resolved

Public Notice

75

Mar 30Resolved

Public Notice

75

Mar 30Resolved

Public Notice

75

Feb 28Resolved

Public Notice

75

Feb 28Resolved

Public Notice

75

Jan 31Resolved

Public Notice

75

Jan 31Resolved

How Does This Compare?

COLUMBUS (78934) has 395 recorded violations, including 17 health-based. 11 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

NSF Certified Products → EPA Safe Drinking Water Guide →

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

NSF Certified Products → EPA Safe Drinking Water Guide →

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

Nearby ZIP Codes

Check Another ZIP Code