Water Quality in UKIAH, CA (95482)

EPA violation data for public water systems serving ZIP code 95482.

8

Total Violations

1

Health-Based

7

Monitoring / Reporting

3

Resolved

What does this mean?

3 of 8 violations have been resolved. 1 is a health-based violation, meaning contaminant levels exceeded federal safety limits. The remaining 7 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: 34 Population served: 38,014

Violations Detail (8 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
LEAD AND COPPER RULE REVISIONSMonitoringN/AN/AOct 16, 2024ActiveN/A
LEAD AND COPPER RULE REVISIONSHealth-BasedN/AN/AOct 16, 2024ActiveN/A
Lead and Copper RuleMonitoringN/AN/ASep 30, 2024ActiveN/A
Revised Total Coliform RuleMonitoringN/AN/AJul 31, 2024ResolvedN/A
Lead and Copper RuleMonitoringN/AN/ASep 30, 2022ActiveN/A
E. COLIMonitoring0N/AJul 31, 2022ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AJul 31, 2022ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
Lead and Copper RuleMonitoringN/AN/AJun 30, 2021ActiveN/A

Lead & Copper Levels

Violation Timeline

2024(4)

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

Lead and Copper Rule

52

Sep 30Active

Revised Total Coliform Rule

3A

Jul 31Resolved

2022(3)

Lead and Copper Rule

52

Sep 30Active

E. COLI

19

Jul 31Resolved

E. COLI

19

Jul 31Resolved

How Does This Compare?

UKIAH (95482) has 8 recorded violations, including 1 health-based. 5 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.

Nearby ZIP Codes

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