City Supplied Water
The Public Works Department provides a safe, high quality, uninterrupted potable water supply for a portion of the city’s residents. Meter readings are generally performed on the first of every month, and water bills are issued on the 15th of every month and are due on the 11th of the following month. Bills are issued in postcard format, with options to pay online without fee for resident convenience.
Water Billing Issues & Questions
- Water bills are issued on the 15th of every month and are due on the 11th of the following month.
- View the Water Service Line Inventory
- View the Property Potable Water Source Map
Please Note: The purchaser of a property is responsible to ensure all previous outstanding utility balances are paid in full before closing or risk being responsible for the outstanding utility balances.
Water Quality Report
City Water Rates
Lead Tap Sample Data
| Year Sampled | Action Level (parts per billion) | 90th Percentile (parts per billion) | # of sites over Action Level |
Lead | 2008 | 15 | 5.99 | 0 |
Lead | 2011 | 15 | 3.6 | 0 |
Lead | 2014 | 15 | 2.8 | 0 |
Lead | 2017 | 15 | 5 | 0 |
Lead | 2020 | 15 | 4 | 0 |
Lead | 2023 | 15 | 4.1 | 0 |
If you are concerned about lead in your water, contact your local county health department for more resources on water testing. Visit the Cook County Department of Public Health website at cookcountypublichealth.org/environmental-health/lead-poisoning or call 708-836-8600.
Illinois Environmental Protection Agency has a list of accredited labs here: epa.illinois.gov/topics/labs/lab-accreditation/accredited-labs.html. Instructions for testing your water vary by lab. Tests cost between $15 and $100, according to USEPA.
You also can find contact information for testing your water for lead by calling EPA’s Safe Drinking Water Hotline at 800-426-4791 or by visiting Illinois EPA’s website at Lead (illinois.gov).
Privately Owned Wells
Private Well Water Testing - Properties not serviced by the city water system operate on private wells. The City of Prospect Heights does not regulate private wells. Residents are responsible for the maintenance and upkeep of their privately owned wells. Property owners wishing to check the quality of their well water must perform their own research on available water testing resources. Click here for a google search of local well water testing facilities. The City of Prospect Heights does not recommend or endorse any well water testing company or governmental facility.