Water Quality in FRENCHTOWN, MT (59834)

EPA violation data for public water systems serving ZIP code 59834.

52

Total Violations

15

Health-Based

37

Monitoring / Reporting

36

Resolved

What does this mean?

36 of 52 violations have been resolved. 15 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 37 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: 25 Population served: 7,100

Violations Detail (52 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Groundwater RuleHealth-BasedN/AN/AAug 29, 2025ActiveN/A
Groundwater RuleHealth-BasedN/AN/AAug 29, 2025ActiveN/A
Groundwater RuleHealth-BasedN/AN/AAug 29, 2025ActiveN/A
Groundwater RuleHealth-BasedN/AN/AAug 29, 2025ActiveN/A
Groundwater RuleHealth-BasedN/AN/AAug 29, 2025ActiveN/A
Groundwater RuleHealth-BasedN/AN/AAug 29, 2025ActiveN/A
E. COLIMonitoring0N/AAug 12, 2025ActiveSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AAug 12, 2025ActiveSevere gastrointestinal illness; may be fatal in vulnerable populations
Public NoticeMonitoringN/AN/AAug 1, 2025ActiveN/A
Public NoticeMonitoringN/AN/AAug 1, 2025ActiveN/A

Lead & Copper Levels

Violation Timeline

2025(21)

Groundwater Rule

45

Aug 29Active

Groundwater Rule

45

Aug 29Active

Groundwater Rule

45

Aug 29Active

Groundwater Rule

45

Aug 29Active

Groundwater Rule

45

Aug 29Active

Groundwater Rule

45

Aug 29Active

E. COLI

34

Aug 12Active

E. COLI

34

Aug 12Active

Public Notice

75

Aug 1Active

Public Notice

75

Aug 1Active

Groundwater Rule

20

May 31Active

Groundwater Rule

20

May 31Active

Groundwater Rule

45

May 29Resolved

Groundwater Rule

45

May 29Resolved

Groundwater Rule

45

May 29Resolved

Groundwater Rule

45

May 29Resolved

Groundwater Rule

45

May 29Resolved

Groundwater Rule

45

May 29Resolved

Groundwater Rule

20

Feb 28Resolved

Groundwater Rule

20

Feb 28Resolved

Groundwater Rule

20

Feb 28Resolved

2024(4)

Lead and Copper Rule

66

Dec 29Resolved

Lead and Copper Rule

66

Dec 29Resolved

Revised Total Coliform Rule

3B

Jun 30Resolved

Revised Total Coliform Rule

3B

Jun 30Resolved

How Does This Compare?

FRENCHTOWN (59834) has 52 recorded violations, including 15 health-based. 16 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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