Tap Water Quality Report for Twin Falls, Idaho

Last Provided Update:N/A
Next Expected Update:April 19, 2025

Track your tap water quality with EPA-verified data on contaminants, violations, and health guidelines, updated quarterly from official water system monitoring results.

Twin Falls, Idaho tap water has 95 total contaminants, with 3 being above EPA standards and 73 being above InTheTap suggested standards. There are 0 active violations. The primary water source is not specified, serving 0 residents.

Water Systems (14)

14 water systems serve Twin Falls, Idaho. Select one or more to filter the data below.

TWIN FALLS CITY OF
Public Water System ID:ID5420058
Population Served:56,121
Primary Source:Ground water
Last Updated:Dec 4, 2024
Contact:
KIMBERLY CITY OF
Public Water System ID:ID5420033
Population Served:4,800
Primary Source:Ground water
Last Updated:Dec 4, 2024
Contact:
BUHL CITY OF
Public Water System ID:ID5420007
Population Served:4,518
Primary Source:Ground water
Last Updated:Dec 4, 2024
Contact:
FILER WATER WORKS
Public Water System ID:ID5420021
Population Served:2,858
Primary Source:Ground water
Last Updated:Dec 4, 2024
Contact:
HANSEN CITY OF
Public Water System ID:ID5420027
Population Served:1,200
Primary Source:Ground water
Last Updated:Dec 4, 2024
Contact:
CASTLEFORD CITY OF
Public Water System ID:ID5420010
Population Served:275
Primary Source:Ground water
Last Updated:Dec 4, 2024
Contact:

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Water Quality Analysis

Comprehensive analysis of your water quality, showing both detected contaminants and violations history. Note that exceeding EPA contaminant levels in a single test doesn't always constitute a violation, as violations typically require sustained exceedances or failure to follow required treatment protocols.

Water Analysis

View detected contaminants and concentration levels for your water system(s).