Hawaii

EPA Safe Drinking Water Act

  • Public Drinking Water Systems

    139

  • Community Water Systems

    120

  • Systems with Violations

    2

  • Systems with Health Based Violations

    0

  • Systems Listed as Serious Violators

    0

  • Unresolved SDWA Violations

    2

  • Oldest Unresolved Violation

    03/13/2023

  • Population Served

    1,521,779

EPA National Pollutant Discharge Elimination System

  • CWA Percent Non-Compliant

    0.02%

  • CWA Non-Compliant Systems

    2

  • CWA Total Violations

    265

The American Community Survey

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

    3,300

  • PERCENTAGE OF HOUSEHOLDS LACKING COMPLETE PLUMBING FACILITIES

    0.682%

  • TOTAL POPULATION

    1,450,589

  • MEDIAN HOUSEHOLD INCOME (5-YEAR AVERAGE)

    $94,814

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

    3.8%

  • MALE

    732,060

  • FEMALE

    718,529

  • MEDIAN AGE

    39.9

  • MULTIRACIAL

    1,291,566

  • WHITE

    305,224

  • AFRICAN AMERICAN

    26,664

  • LATINO

    159,023

  • ASIAN

    538,970

  • AMERICAN INDIAN

    2,056

  • NATIVE PACIFIC ISLANDER

    140,790

To learn more about individual water systems and violations please visit the echo.epa.gov interactive map for this state here: https://echo.epa.gov/facilities/facility-search/results?p_st=HI Other .gov state water resources: https://catalog.data.gov/dataset/hawaii-clean-water-branch-cwb-beach-water-quality-data Additional state water resources:https://www.ewg.org/tapwater/system.php?pws=HI0000331