Johnson County, Iowa

EPA Safe Drinking Water Act

  • Public Drinking Water Systems

    125

  • Community Water Systems

    74

  • Systems with Violations

    13

  • Systems with Health Based Violations

    0

  • Systems Listed as Serious Violators

    1

  • Unresolved SDWA Violations

    38

  • Oldest Unresolved Violation

    12/16/2010

  • Population Served

    168,975

EPA National Pollutant Discharge Elimination System

  • CWA Percent Non-Compliant

    17.31%

  • CWA Non-Compliant Systems

    9

  • CWA Total Violations

    21

The American Community Survey

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

    145

  • PERCENTAGE OF HOUSEHOLDS LACKING COMPLETE PLUMBING FACILITIES

    0.236%

  • TOTAL POPULATION

    153,360

  • MEDIAN HOUSEHOLD INCOME (5-YEAR AVERAGE)

    $72,977

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

    3.4%

  • MALE

    76,466

  • FEMALE

    76,894

  • MEDIAN AGE

    30.6

  • MULTIRACIAL

    144,278

  • WHITE

    117,253

  • AFRICAN AMERICAN

    11,254

  • LATINO

    9,082

  • ASIAN

    9,441

  • AMERICAN INDIAN

    151

  • NATIVE PACIFIC ISLANDER

    80

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=IA&p_fips=19103 Other .gov state water resources: https://catalog.data.gov/dataset/usgs-surface-water-data-for-the-nation-national-water-information-system-nwis Additional state water resources:https://iwqis.iowawis.org/app/