Water Quality in Twin Falls, ID (83332)
EPA violation data for public water systems serving ZIP code 83332.
No Health-Based Violations
None of the 20 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are30 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 84% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
2,569
Population
20
Water Systems
30
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (20)
Twin Falls City Of
All resolvedHagerman City Of
All resolvedRest Ez Rv Park
All resolvedThousand Springs Resort
All resolvedHagerman Christian Center
All resolvedSportsmans River Resort
Northview Subdivision
All resolvedGridley Island Water Users
All resolvedRuby Springs Water Company
Upper Salmon Power Plant Idaho Power
Rock Lodge Motel
West Point Llc
All resolvedIdpr Malad Gorge
All resolvedIdpr Niagara Springs
Pennys Cookshack
Idaho State Fish Hatchery Idfg
Malad Fountain Idaho Power Company
Billingsley State Park
All resolvedUsfw Hagerman National Fish Hatchery
Rock Lodge Motel
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Used to disinfect water — generally safe at regulated levels.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Twin Falls (83332) has more violations than 84% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 30, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.