Illinois regional water guide

Northwest Suburbs and O’Hare Corridor

Northwest suburban communities where purchased Lake Michigan water, regional transmission systems and municipal distribution networks require utility confirmation by account.

Regional context

Use the regional hub, then verify the exact property

Northwest suburban communities where purchased Lake Michigan water, regional transmission systems and municipal distribution networks require utility confirmation by account. The city pages below identify provider and source-water research starting points, but the current bill and PWSID remain the decisive identifiers.

Do not treat the metro as one water system. Communities within the same labor market can use Lake Michigan water, groundwater, river water, reservoirs or purchased supply from different wholesalers.

Arlington Heights

Arlington Heights municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Schaumburg

Schaumburg municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Palatine

Palatine municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Hoffman Estates

Hoffman Estates municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Elk Grove Village

Elk Grove Village municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Mount Prospect

Mount Prospect municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Park Ridge

Park Ridge municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Des Plaines

Des Plaines municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Rolling Meadows

Rolling Meadows municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Wheeling

Wheeling municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Buffalo Grove

Buffalo Grove municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Barrington

Barrington municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Prospect Heights

Prospect Heights municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Rosemont

Rosemont municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water
Treatment planning

Match system design to the verified water problem

Regional information organizes the search. Property-level testing, plumbing conditions, peak flow and the exact certified treatment claim determine the final system.

Reviewing Illinois water quality information