Water Quality in GILLETTE, WY (82716)

EPA violation data for public water systems serving ZIP code 82716.

8

Total Violations

3

Health-Based

5

Monitoring / Reporting

8

Resolved

What does this mean?

8 of 8 violations have been resolved. 3 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 5 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: 50 Population served: 38,441

Violations Detail (8 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
E. COLIMonitoring0N/AAug 27, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform RuleMonitoringN/AN/AMar 31, 2025ResolvedN/A
Xylenes, TotalMonitoringN/AN/ADec 31, 2023ResolvedN/A
Groundwater RuleHealth-BasedN/AN/ANov 10, 2023ResolvedN/A
ChlorineMonitoringN/AN/ASep 30, 2023ResolvedEye and nose irritation; stomach discomfort
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2023ResolvedN/A
Groundwater RuleHealth-BasedN/AN/ADec 11, 2021ResolvedN/A
Groundwater RuleHealth-BasedN/AN/ADec 11, 2021ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(2)

E. COLI

34

Aug 27Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

2023(4)

Xylenes, Total

03

Dec 31Resolved

Groundwater Rule

45

Nov 10Resolved

Chlorine

27

Sep 30Resolved

Revised Total Coliform Rule

3A

May 31Resolved

How Does This Compare?

GILLETTE (82716) has 8 recorded violations, including 3 health-based. All violations have been resolved, which is a positive sign for current water quality. 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.

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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