Sonoma County, California

EPA Safe Drinking Water Act

  • Public Drinking Water Systems

    438

  • Community Water Systems

    129

  • Systems with Violations

    8

  • Systems with Health Based Violations

    0

  • Systems Listed as Serious Violators

    0

  • Unresolved SDWA Violations

    10

  • Oldest Unresolved Violation

    12/03/2016

  • Population Served

    484,287

EPA National Pollutant Discharge Elimination System

  • CWA Percent Non-Compliant

    1.22%

  • CWA Non-Compliant Systems

    3

  • CWA Total Violations

    25

The American Community Survey

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

    881

  • PERCENTAGE OF HOUSEHOLDS LACKING COMPLETE PLUMBING FACILITIES

    0.465%

  • TOTAL POPULATION

    488,436

  • MEDIAN HOUSEHOLD INCOME (5-YEAR AVERAGE)

    $99,266

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

    2.7%

  • MALE

    240,478

  • FEMALE

    247,958

  • MEDIAN AGE

    42.7

  • MULTIRACIAL

    351,822

  • WHITE

    297,441

  • AFRICAN AMERICAN

    7,012

  • LATINO

    136,614

  • ASIAN

    21,833

  • AMERICAN INDIAN

    1,527

  • NATIVE PACIFIC ISLANDER

    1,372

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=06097 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/