Tap Water Quality Report for Knox, Ohio

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.

Knox, Ohio tap water has 135 total contaminants, with 8 being above EPA standards and 91 being above InTheTap suggested standards. There are 0 active violations. The primary water source is not specified, serving 0 residents.

Water Systems (10)

10 water systems serve Knox, Ohio. Select one or more to filter the data below.

MOUNT VERNON CITY PWS
Public Water System ID:OH4200812
Population Served:16,990
Primary Source:Ground water
Last Updated:Nov 5, 2024
Contact:
KNOX COUNTY WATER AND WASTEWATER PWS
Public Water System ID:OH4202012
Population Served:7,710
Primary Source:Ground water
Last Updated:Nov 5, 2024
Contact:
FREDERICKTOWN VILLAGE
Public Water System ID:OH4200212
Population Served:2,648
Primary Source:Ground water
Last Updated:Nov 5, 2024
Contact:
GAMBIER VILLAGE PWS
Public Water System ID:OH4200403
Population Served:2,502
Primary Source:Ground water purchased
Last Updated:Nov 5, 2024
Contact:
DANVILLE VILLAGE PWS
Public Water System ID:OH4200112
Population Served:1,014
Primary Source:Ground water
Last Updated:Nov 5, 2024
Contact:
MARTINSBURG VILLAGE PWS
Public Water System ID:OH4202312
Population Served:233
Primary Source:Ground water
Last Updated:Nov 5, 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).