Water Quality in Lewistown, MT (59457)
EPA violation data for public water systems serving ZIP code 59457.
Active Health Violations
20 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 88% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
9,135
Population
35
Water Systems
40
Violations (5yr)
20
Health-Based
Location
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Water Systems Serving This Area (35)
Lewistown City Of
All resolvedCamp Creek Campground - Blm
Big Sky Bible College
Central Montana Hospital
Hole In The Wall
Pine Meadows Golf Course Elks 456 The
All resolvedMosby Rest Area
All resolvedBearpaw Arena
Canteen Water Service
Hackamore Club
Hi Heat Industries Inc
All resolvedKirkwood Shores Subdivision
King Ranch Colony
19 health-basedUs Gypsum
Deerfield Hutterite Colony
Judith Landing
Central Montana Jaycees
J.D.Riley-St.Dept.Of Highways
Spring Creek Colony Lewistown
Brooks School
Lazy Kx Bar
Boulevard Apartments
James Kipp Campground Blm
Culligan Water Lewistown
Lewistown Sports & Courts
Judith Shadows Golf Course
1 health-basedSchool District # 11
Geyser Rest Stop
Fry Brothers Inc
Sawyer'S Trailer Court
Maiden School
Brooks School
Kiwanis Rv Park
Cottonwood School
Bohemian Corner The Unapproved
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
Lewistown (59457) has more violations than 88% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 40.
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.
Reverse Osmosis System
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
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. This is general educational information, not an endorsement of any specific product.