McHenry County, Illinois

EPA Safe Drinking Water Act

  • Public Drinking Water Systems

    306

  • Community Water Systems

    32

  • Systems with Violations

    24

  • Systems with Health Based Violations

    0

  • Systems Listed as Serious Violators

    3

  • Unresolved SDWA Violations

    56

  • Oldest Unresolved Violation

    11/27/2013

  • Population Served

    269,755

EPA National Pollutant Discharge Elimination System

  • CWA Percent Non-Compliant

    2.26%

  • CWA Non-Compliant Systems

    7

  • CWA Total Violations

    50

The American Community Survey

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

    170

  • PERCENTAGE OF HOUSEHOLDS LACKING COMPLETE PLUMBING FACILITIES

    0.147%

  • TOTAL POPULATION

    311,133

  • MEDIAN HOUSEHOLD INCOME (5-YEAR AVERAGE)

    $100,101

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

    2.2%

  • MALE

    155,933

  • FEMALE

    155,200

  • MEDIAN AGE

    40.5

  • MULTIRACIAL

    266,508

  • WHITE

    244,957

  • AFRICAN AMERICAN

    4,593

  • LATINO

    44,625

  • ASIAN

    8,899

  • AMERICAN INDIAN

    163

  • 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=17111 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