St. Clair County, Illinois

EPA Safe Drinking Water Act

  • Public Drinking Water Systems

    56

  • Community Water Systems

    27

  • Systems with Violations

    7

  • Systems with Health Based Violations

    0

  • Systems Listed as Serious Violators

    0

  • Unresolved SDWA Violations

    11

  • Oldest Unresolved Violation

    06/01/2021

  • Population Served

    260,997

EPA National Pollutant Discharge Elimination System

  • CWA Percent Non-Compliant

    5.18%

  • CWA Non-Compliant Systems

    16

  • CWA Total Violations

    57

The American Community Survey

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

    256

  • PERCENTAGE OF HOUSEHOLDS LACKING COMPLETE PLUMBING FACILITIES

    0.254%

  • TOTAL POPULATION

    256,791

  • MEDIAN HOUSEHOLD INCOME (5-YEAR AVERAGE)

    $68,915

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

    3%

  • MALE

    124,864

  • FEMALE

    131,927

  • MEDIAN AGE

    39.4

  • MULTIRACIAL

    245,267

  • WHITE

    154,225

  • AFRICAN AMERICAN

    72,267

  • LATINO

    11,524

  • ASIAN

    4,022

  • AMERICAN INDIAN

    716

  • NATIVE PACIFIC ISLANDER

    43

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=17163 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