The mission statement of the Island Lake Water Department is to operate and maintain all aspects of the Public Water supply in a manner which safeguards the health and wellbeing of the populace served.


Action statements to accomplish the mission statement:

  1. The Water Department will seek out and participate in education activities offered by The Federal and State Environmental Protection Agencies, The American Water Works Association, The Rural Water Works Association and any organization which may offer education programs leading to improved operations of the public water supply.
  2. The Water Department shall maintain an inventory of water treatment, pumping, distribution and storage equipment. This inventory shall be updated once a year by Water Department staff. The information shall be used to perform an annual in – house water capacity study. This information will be evaluated by a professional engineer for the purpose of conducting a capacity study and new master plan every five years or sooner.
  3. Scheduled maintenance programs shall be adhered to for all aspects of the water supply (hydrant flushing and repairs, water main valve exercising and repairs, and chemical feed equipment replacement or rebuilding.)
  4. Examination of water quality through water analysis shall be performed on a daily basis

The Water Department strives to be of service to the residents of Island Lake and hope that this link to Frequently Asked Questions (FAQ) is helpful.

We welcome any questions or comments, so please feel free to contact us at 847-526-1954, if you need additional assistance.


Water Department

Phone Number: (847) 526-1954 or select Public Works on the Contact Us link on our webpage:  Contact Us | Village of Island Lake,

Annual Water Quality Reports

2023 Annual Water Quality Report-6-5-24

2022 Annual Water Quality Report

2021Annual Water Quality Report

2020 Annual Water Quality Report

2019 Annual Water Quality Report

2018 Annual Water Quality Report

2017 Annual Water Quality Report

2016 Annual Water Quality Report

2015 Water Quality Report

Water Quality Report 2014

Water Quality Report 2013

Water Department FAQ

Water Quality Report 2012

Water Quality Report 2011

Flouride Recognition Letter

IDPH Award

IEPA Inspection Report 2011

Water Quality Report 2010

Flouride Recognition Certificate

Water Department 2020 Perfect Compliance


Flouride Recognition Letter-2018