Contra Costa County, California

EPA Safe Drinking Water Act

  • Public Drinking Water Systems

    87

  • Community Water Systems

    39

  • Systems with Violations

    0

  • Systems with Health Based Violations

    0

  • Systems Listed as Serious Violators

    0

  • Unresolved SDWA Violations

    0

  • Population Served

    565,908

EPA National Pollutant Discharge Elimination System

  • CWA Percent Non-Compliant

    0.46%

  • CWA Non-Compliant Systems

    1

  • CWA Total Violations

    23

The American Community Survey

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

    1,527

  • PERCENTAGE OF HOUSEHOLDS LACKING COMPLETE PLUMBING FACILITIES

    0.374%

  • TOTAL POPULATION

    1,162,648

  • MEDIAN HOUSEHOLD INCOME (5-YEAR AVERAGE)

    $120,020

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

    3.1%

  • MALE

    573,074

  • FEMALE

    589,574

  • MEDIAN AGE

    40.1

  • MULTIRACIAL

    855,753

  • WHITE

    471,751

  • AFRICAN AMERICAN

    97,612

  • LATINO

    306,895

  • ASIAN

    212,568

  • AMERICAN INDIAN

    1,960

  • NATIVE PACIFIC ISLANDER

    5,405

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=CA&p_fips=06013 Other .gov state water resources: https://www.waterboards.ca.gov/drinking_water/certlic/drinkingwater/saferdashboard.htmlhttps://waterdata.usgs.gov/state/california/ Additional state water resources:https://www.californiadatacollaborative.org/