Water Quality in Missoula, MT (59823)
EPA violation data for public water systems serving ZIP code 59823.
Past Health-Based Violations
16 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 44 monitoring/reporting violations.
More violations than 93% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
1,931
Population
21
Water Systems
60
Violations (5yr)
16
Health-Based
Location
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Water Systems Serving This Area (21)
Missoula Water
Bonner School District No 14
Clearwater Bar Paws Up Ranch
Paws Up Angus Ranch Main Complex
1 health-basedSt Anns Catholic Church
Potomac Greenough Community Center
All resolvedLubrecht Experimental Forest
2 health-basedKozy Korner Steakhouse And Bar
Camp Utmost
Blackfoot Trading Post
Potomac Bar
1 health-basedKettlehouse Brewing And Amphitheater
All resolvedE Bar L Ranch
12 health-basedOur Saviors Lutheran Church
Sunwood Acres Water Assn
Milltown Community Pws System
Champion Missoula Office
Green-O Couple Cabins
Whitewater Park Assoc Bonner
Champ. Timber.-Twn Of Twin Crk
Potomac Bible Church
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)
Within limitSampled: Jan 2025
How Does This Compare?
Missoula (59823) has more violations than 93% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 60.
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.