DuPage County, Illinois

EPA Safe Drinking Water Act

  • Public Drinking Water Systems

    211

  • Community Water Systems

    48

  • Systems with Violations

    11

  • Systems with Health Based Violations

    0

  • Systems Listed as Serious Violators

    1

  • Unresolved SDWA Violations

    28

  • Oldest Unresolved Violation

    05/30/2023

  • Population Served

    865,182

EPA National Pollutant Discharge Elimination System

  • CWA Percent Non-Compliant

    1.32%

  • CWA Non-Compliant Systems

    6

  • CWA Total Violations

    79

The American Community Survey

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

    828

  • PERCENTAGE OF HOUSEHOLDS LACKING COMPLETE PLUMBING FACILITIES

    0.237%

  • TOTAL POPULATION

    930,559

  • MEDIAN HOUSEHOLD INCOME (5-YEAR AVERAGE)

    $107,035

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

    2.7%

  • MALE

    461,287

  • FEMALE

    469,272

  • MEDIAN AGE

    39.9

  • MULTIRACIAL

    792,753

  • WHITE

    600,034

  • AFRICAN AMERICAN

    44,192

  • LATINO

    137,806

  • ASIAN

    116,819

  • AMERICAN INDIAN

    303

  • NATIVE PACIFIC ISLANDER

    184

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=17043 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