Napa County, California

EPA Safe Drinking Water Act

  • Public Drinking Water Systems

    185

  • Community Water Systems

    28

  • Systems with Violations

    5

  • Systems with Health Based Violations

    0

  • Systems Listed as Serious Violators

    0

  • Unresolved SDWA Violations

    5

  • Oldest Unresolved Violation

    12/12/1995

  • Population Served

    161,183

EPA National Pollutant Discharge Elimination System

  • CWA Percent Non-Compliant

    1.20%

  • CWA Non-Compliant Systems

    2

  • CWA Total Violations

    11

The American Community Survey

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

    185

  • PERCENTAGE OF HOUSEHOLDS LACKING COMPLETE PLUMBING FACILITIES

    0.376%

  • TOTAL POPULATION

    137,384

  • MEDIAN HOUSEHOLD INCOME (5-YEAR AVERAGE)

    $105,809

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

    3.5%

  • MALE

    68,760

  • FEMALE

    68,624

  • MEDIAN AGE

    42.5

  • MULTIRACIAL

    89,202

  • WHITE

    69,244

  • AFRICAN AMERICAN

    2,405

  • LATINO

    48,182

  • ASIAN

    10,960

  • AMERICAN INDIAN

    273

  • NATIVE PACIFIC ISLANDER

    411

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=06055 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/