Illinois

EPA Safe Drinking Water Act

  • Public Drinking Water Systems

    5,158

  • Community Water Systems

    1,771

  • Systems with Violations

    797

  • Systems with Health Based Violations

    0

  • Systems Listed as Serious Violators

    72

  • Unresolved SDWA Violations

    1,951

  • Oldest Unresolved Violation

    09/08/2005

  • Population Served

    12,593,299

EPA National Pollutant Discharge Elimination System

  • CWA Percent Non-Compliant

    2.67%

  • CWA Non-Compliant Systems

    494

  • CWA Total Violations

    2,320

The American Community Survey

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

    14,793

  • PERCENTAGE OF HOUSEHOLDS LACKING COMPLETE PLUMBING FACILITIES

    0.298%

  • TOTAL POPULATION

    12,757,634

  • MEDIAN HOUSEHOLD INCOME (5-YEAR AVERAGE)

    $78,433

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

    3.8%

  • MALE

    6,313,019

  • FEMALE

    6,444,615

  • MEDIAN AGE

    38.7

  • MULTIRACIAL

    10,481,930

  • WHITE

    7,601,615

  • AFRICAN AMERICAN

    1,744,151

  • LATINO

    2,275,704

  • ASIAN

    738,071

  • AMERICAN INDIAN

    10,119

  • NATIVE PACIFIC ISLANDER

    2,979

To learn more about individual water systems and violations please visit the echo.epa.gov interactive map for this state here: https://echo.epa.gov/facilities/facility-search/results?p_st=IL 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