Williamson County, Illinois

EPA Safe Drinking Water Act

  • Public Drinking Water Systems

    26

  • Community Water Systems

    24

  • Systems with Violations

    9

  • Systems with Health Based Violations

    0

  • Systems Listed as Serious Violators

    0

  • Unresolved SDWA Violations

    14

  • Oldest Unresolved Violation

    05/30/2023

  • Population Served

    75,421

EPA National Pollutant Discharge Elimination System

  • CWA Percent Non-Compliant

    3.45%

  • CWA Non-Compliant Systems

    3

  • CWA Total Violations

    16

The American Community Survey

  • HOUSEHOLDS LACKING COMPLETE PLUMBING FACILITIES (5-YEAR AVERAGE)

    93

  • PERCENTAGE OF HOUSEHOLDS LACKING COMPLETE PLUMBING FACILITIES

    0.326%

  • TOTAL POPULATION

    67,120

  • MEDIAN HOUSEHOLD INCOME (5-YEAR AVERAGE)

    $60,325

  • PERCENTAGE OF FAMILIES BELOW POVERTY LEVEL (5-YEAR AVERAGE)

    4%

  • MALE

    33,757

  • FEMALE

    33,363

  • MEDIAN AGE

    41.2

  • MULTIRACIAL

    65,201

  • WHITE

    59,415

  • AFRICAN AMERICAN

    2,204

  • LATINO

    1,919

  • ASIAN

    1,034

  • AMERICAN INDIAN

    192

  • NATIVE PACIFIC ISLANDER

    0

To learn more about individual water systems and violations please visit the echo.epa.gov interactive map for this county here: https://echo.epa.gov/facilities/facility-search/results?p_st=IL&p_fips=17199 Other .gov state water resources: https://epa.illinois.gov/topics/drinking-water.htmlhttps://www.epa.gov/waterdata/water-quality-data Additional state water resources:https://www.isws.illinois.edu/dat