Water Quality in Great Falls, MT (59414)
EPA violation data for public water systems serving ZIP code 59414.
Past Health-Based Violations
3 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 20 monitoring/reporting violations.
More violations than 78% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
781
Population
12
Water Systems
23
Violations (5yr)
3
Health-Based
Location
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Water Systems Serving This Area (12)
Great Falls City Of
Black Eagle Cascade County Water Sewer
Mountain View Coop Lincoln
Bushard Water Company
1 health-basedMountain View Co-Op Ulm
All resolvedFrontier Inn
Prospector Casino
Kibbey Korner Truck Stop
Loenbro Office Building
1 health-basedLoenbro Fabrication Facility
All resolvedBootlegger Bar & Casino
1 health-basedRed Barn
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Approaching limitSampled: Jul 2025
How Does This Compare?
Great Falls (59414) has more violations than 78% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 23.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
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. This is general educational information, not an endorsement of any specific product.