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Northbrook, IL · Cook County

Water quality in Northbrook, IL

12 community water systems are based in Northbrook, IL, collectively serving 45,899 people. See per-utility violations, contaminants, and lead service line status.

At a glance

Community systems
12
People served
46k
Groundwater systems
58%
7 systems
Surface water systems
42%
5 systems

Community water systems based in Northbrook

Systems whose EPA-filed administrative city is Northbrook, sorted by population served. Regional authorities that serve Northbrook but are based elsewhere are not listed here; check the ZIP lookup for a service-area-based answer.

  1. 1. NORTHBROOK

    Cook · PWSID IL0312070

    34k served
  2. 2. OASIS MHP

    Cook · PWSID IL0315185

    3,000 served
  3. 3. MISSION BROOK SD

    Cook · PWSID IL0315920

    2,852 served
  4. 4. SUNSET MHP

    Cook · PWSID IL0310080

    1,400 served
  5. 5. OAKBROOK ESTATES MHP

    McHenry · PWSID IL1115125

    1,012 served
  6. 6. HARBOR POINT ESTATES MHP

    Cook · PWSID IL0317010

    950 served
  7. 7. CAMBRIDGE COURTS MHP

    Lake · PWSID IL0971540

    658 served
  8. 8. HARVEST VIEW MHC

    PWSID WI2520201

    400 served
  9. 9. CEDAR HAVEN MHC

    PWSID ME0007363

    395 served
  10. 10. WHISPERING LAKES WATER SYSTEM, INC.

    Lake · PWSID IL0970220

    375 served
  11. 11. BROOKSIDE MEADOWS MHP

    PWSID WI2671738

    250 served
  12. 12. ROARING FORK MHP

    PWSID CO0149685

    200 served

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