Water Quality in Lewiston, ID (83541)
EPA violation data for public water systems serving ZIP code 83541.
Active Health Violations
22 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 89% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
940
Population
9
Water Systems
43
Violations (5yr)
22
Health-Based
Location
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Water Systems Serving This Area (9)
Lewiston Orchards Irrigation Dist
Lewiston City Of
Idpr Dworshak Freeman Creek Cg (Corps)
20 health-basedNew Hope Subd
1 health-basedLenore Community Center
Sunnyside Park
1 health-basedNick Smith
Idpr Dworshak Three Meadows Grp Camp
All resolvedArrowhead Rv
Contaminants Found
A naturally occurring element that can cause cancer and other health effects at high levels.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Lewiston (83541) has more violations than 89% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 43.
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
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
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.