Tap Water Quality Report for Williamson, Texas

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.

Williamson, Texas tap water has 989 total contaminants, with 38 being above EPA standards and 554 being above InTheTap suggested standards. There are 0 active violations. The primary water source is not specified, serving 0 residents.

Water Systems (39)

39 water systems serve Williamson, Texas. Select one or more to filter the data below.

CITY OF GEORGETOWN
Public Water System ID:TX2460001
Population Served:133,743
Primary Source:Surface water
Last Updated:Dec 30, 2024
Contact:
CITY OF ROUND ROCK
Public Water System ID:TX2460003
Population Served:130,662
Primary Source:Surface water
Last Updated:Dec 30, 2024
Contact:
CITY OF LEANDER
Public Water System ID:TX2460012
Population Served:98,330
Primary Source:Surface water
Last Updated:Dec 30, 2024
Contact:
CITY OF CEDAR PARK
Public Water System ID:TX2460009
Population Served:81,257
Primary Source:Surface water
Last Updated:Dec 30, 2024
Contact:
JONAH WATER SUD
Public Water System ID:TX2460022
Population Served:29,378
Primary Source:Surface water purchased
Last Updated:Dec 30, 2024
Contact:
CITY OF TAYLOR
Public Water System ID:TX2460004
Population Served:20,622
Primary Source:Surface water purchased
Last Updated:Dec 30, 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).