Illinois regional water guide

DuPage County and Western Suburbs

Western suburban communities served through municipal systems, purchased Lake Michigan water and local distribution infrastructure, with provider and wholesale source best verified on the latest bill and report.

Regional context

Use the regional hub, then verify the exact property

Western suburban communities served through municipal systems, purchased Lake Michigan water and local distribution infrastructure, with provider and wholesale source best verified on the latest bill and report. 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.

Naperville

City of Naperville Water Utility

Purchased Lake Michigan water

Wheaton

Wheaton municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Downers Grove

Downers Grove municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Elmhurst

Elmhurst municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Lombard

Lombard municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Glen Ellyn

Glen Ellyn municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Carol Stream

Carol Stream municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Addison

Addison municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Glendale Heights

Glendale Heights municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Bloomingdale

Bloomingdale municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Roselle

Roselle municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Woodridge

Woodridge municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Darien

Darien municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Westmont

Westmont municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Lisle

Lisle municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Villa Park

Villa Park municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Bensenville

Bensenville municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Wood Dale

Wood Dale municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Warrenville

Warrenville municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

West Chicago

West Chicago municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Burr Ridge

Burr Ridge municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Hinsdale

Hinsdale municipal distribution system or regional wholesale supplier

Purchased or directly treated Lake Michigan surface water

Clarendon Hills

Clarendon Hills 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