Water Quality in ROCK SPRINGS, WY (82901)

EPA violation data for public water systems serving ZIP code 82901.

28

Total Violations

1

Health-Based

27

Monitoring / Reporting

21

Resolved

What does this mean?

21 of 28 violations have been resolved. 1 is a health-based violation, meaning contaminant levels exceeded federal safety limits. The remaining 27 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: 55 Population served: 38,476

Violations Detail (28 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ActiveN/A
TTHMMonitoringN/AN/ADec 31, 2024ActiveN/A
Total Haloacetic Acids (HAA5)MonitoringN/AN/ADec 31, 2024ActiveN/A
Lead and Copper RuleMonitoringN/AN/ADec 29, 2024ActiveN/A
LEAD AND COPPER RULE REVISIONSMonitoringN/AN/AOct 16, 2024ResolvedN/A
LEAD AND COPPER RULE REVISIONSHealth-BasedN/AN/AOct 16, 2024ResolvedN/A
Lead and Copper RuleMonitoringN/AN/ASep 30, 2024ActiveN/A
Surface Water Treatment RuleMonitoringN/AN/AAug 31, 2024ResolvedN/A
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2024ResolvedN/A
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2024ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(1)

Consumer Confidence Rule

71

Jun 30Active

2024(10)

TTHM

27

Dec 31Active

Total Haloacetic Acids (HAA5)

27

Dec 31Active

Lead and Copper Rule

66

Dec 29Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

Lead and Copper Rule

52

Sep 30Active

Surface Water Treatment Rule

36

Aug 31Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

How Does This Compare?

ROCK SPRINGS (82901) has 28 recorded violations, including 1 health-based. 7 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

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 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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