Maricopa County, Arizona

EPA Safe Drinking Water Act

  • Public Drinking Water Systems

    219

  • Community Water Systems

    101

  • Systems with Violations

    30

  • Systems with Health Based Violations

    0

  • Systems Listed as Serious Violators

    1

  • Unresolved SDWA Violations

    55

  • Oldest Unresolved Violation

    03/31/2020

  • Population Served

    4,273,038

EPA National Pollutant Discharge Elimination System

  • CWA Percent Non-Compliant

    0.14%

  • CWA Non-Compliant Systems

    1

  • CWA Total Violations

    13

The American Community Survey

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

    6,111

  • PERCENTAGE OF HOUSEHOLDS LACKING COMPLETE PLUMBING FACILITIES

    0.367%

  • TOTAL POPULATION

    4,430,871

  • MEDIAN HOUSEHOLD INCOME (5-YEAR AVERAGE)

    $80,675

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

    4.8%

  • MALE

    2,208,150

  • FEMALE

    2,222,721

  • MEDIAN AGE

    37.1

  • MULTIRACIAL

    3,028,118

  • WHITE

    2,359,261

  • AFRICAN AMERICAN

    239,826

  • LATINO

    1,402,753

  • ASIAN

    189,627

  • AMERICAN INDIAN

    60,562

  • NATIVE PACIFIC ISLANDER

    8,260

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=AZ&p_fips=04013 Other .gov state water resources: https://waterdata.usgs.gov/az/nwis/rthttps://waterdata.usgs.gov/state/arizona/ Additional state water resources:https://waterdataportal.asu.edu/about