Water Quality in KLAMATH, CA (95548)

EPA violation data for public water systems serving ZIP code 95548.

171

Total Violations

24

Health-Based

147

Monitoring / Reporting

160

Resolved

What does this mean?

160 of 171 violations have been resolved. 24 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 147 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: 39 Population served: 3,791

Violations Detail (171 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Surface Water Treatment RuleMonitoringN/AN/AAug 31, 2025ResolvedN/A
Surface Water Treatment RuleMonitoringN/AN/AAug 31, 2025ResolvedN/A
Surface Water Treatment RuleMonitoringN/AN/AAug 31, 2025ResolvedN/A
Surface Water Treatment RuleMonitoringN/AN/AAug 31, 2025ResolvedN/A
Surface Water Treatment RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
Surface Water Treatment RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
Surface Water Treatment RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
Surface Water Treatment RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
Surface Water Treatment RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Surface Water Treatment RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(41)

Surface Water Treatment Rule

36

Aug 31Resolved

Surface Water Treatment Rule

36

Aug 31Resolved

Surface Water Treatment Rule

36

Aug 31Resolved

Surface Water Treatment Rule

36

Aug 31Resolved

Surface Water Treatment Rule

36

Jul 31Resolved

Surface Water Treatment Rule

36

Jul 31Resolved

Surface Water Treatment Rule

36

Jul 31Resolved

Surface Water Treatment Rule

36

Jul 31Resolved

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

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

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

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

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

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

Jan 31Resolved

Surface Water Treatment Rule

36

Jan 31Resolved

Surface Water Treatment Rule

36

Jan 31Resolved

Interim Enhanced Surface Water Treatment Rule

44

Jan 31Resolved

Surface Water Treatment Rule

36

Jan 31Resolved

2024(80)

Interim Enhanced Surface Water Treatment Rule

44

Dec 31Resolved

Surface Water Treatment Rule

36

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

44

Dec 31Resolved

Surface Water Treatment Rule

36

Dec 31Resolved

Surface Water Treatment Rule

36

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

44

Dec 31Resolved

Surface Water Treatment Rule

36

Dec 31Resolved

Interim Enhanced Surface Water Treatment Rule

44

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

44

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

44

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

44

Nov 30Resolved

Interim Enhanced Surface Water Treatment Rule

43

Nov 30Resolved

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

Interim Enhanced Surface Water Treatment Rule

44

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

44

Oct 31Resolved

Surface Water Treatment Rule

41

Oct 31Resolved

Interim Enhanced Surface Water Treatment Rule

44

Oct 31Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

Chlorine

27

Sep 30Resolved

Chlorine

27

Sep 30Resolved

Chlorine

27

Sep 30Resolved

Chlorine

27

Sep 30Resolved

Surface Water Treatment Rule

36

Sep 30Resolved

Surface Water Treatment Rule

36

Sep 30Resolved

Surface Water Treatment Rule

36

Sep 30Resolved

Chlorine

27

Sep 30Resolved

Chlorine

27

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Surface Water Treatment Rule

36

Sep 30Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Surface Water Treatment Rule

36

Aug 31Resolved

Surface Water Treatment Rule

36

Aug 31Resolved

Surface Water Treatment Rule

36

Aug 31Resolved

Surface Water Treatment Rule

36

Aug 31Resolved

Surface Water Treatment Rule

36

Jul 31Resolved

Surface Water Treatment Rule

36

Jul 31Resolved

Surface Water Treatment Rule

36

Jul 31Resolved

Surface Water Treatment Rule

36

Jul 31Resolved

Revised Total Coliform Rule

2B

Jul 10Resolved

Revised Total Coliform Rule

2B

Jul 10Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

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

Apr 30Resolved

Public Notice

75

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Public Notice

75

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

Chlorine

27

Mar 31Resolved

Chlorine

27

Mar 31Resolved

Surface Water Treatment Rule

36

Feb 29Resolved

Surface Water Treatment Rule

36

Feb 29Resolved

Surface Water Treatment Rule

36

Feb 29Resolved

Surface Water Treatment Rule

36

Feb 29Resolved

Surface Water Treatment Rule

36

Jan 31Resolved

Surface Water Treatment Rule

36

Jan 31Resolved

Surface Water Treatment Rule

36

Jan 31Resolved

Surface Water Treatment Rule

36

Jan 31Resolved

How Does This Compare?

KLAMATH (95548) has 171 recorded violations, including 24 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

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.

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