Water Filtration in Illinois

Water Filtration across Illinois: the 750 ZIP codes and 525 cities we route calls in, and who licenses plumbers in the state.

Call (888) 834-7350

Used water filter cartridges showing trapped dirt and sediment

Free to homeowners in Illinois — the contractor pays us for the introduction, you never do.

What is in the water

Our water filtration coverage in Illinois runs to 750 ZIP codes in 525 cities. A state of both large and small systems is a state where two houses twenty miles apart can be drinking water of quite different hardness and quite different treatment, and the annual report for each is the place that says so.

Source: coverage area as published by our call partner; place and county names from the US Census Bureau.

We route water filtration calls in 750 ZIP codes across 525 Illinois cities, in 51 counties.

What this site is

ClearTapCall is a referral service, not a contractor and not a laboratory. We connect homeowners with independent contractors for filtration and treatment installation. Contractors are required to hold whatever credential their state or municipality demands, and treatment equipment plumbed into a supply is often a permitted alteration — ask to see the permit. We carry out no work, we sell no equipment, we test no water, we do not set prices, and we never charge homeowners anything. Nothing here is a statement about the water at any address, and no page recommends a product.

Checking a credential in Illinois

Illinois licenses are issued by the Illinois Department of Public Health, Plumbing Program, which publishes a public search you can use before work begins.

26 of the 51 Illinois counties we cover, a cross-section, largest to smallest

Boone County 5 ZIP codes
Belvidere, Caledonia, Capron, Garden Prairie, Poplar Grove
Bureau County 8 ZIP codes
Bureau, Cherry, Dalzell, Depue, Ladd, Princeton, Spring Valley, Walnut
Coles County 6 ZIP codes
Ashmore, Charleston, Humboldt, Lerna, Mattoon, Oakland
Cook County 215 ZIP codes
Chicago, Palatine, Schaumburg, Evanston, Des Plaines, Oak Park, Arlington Heights, Hoffman Estates and 86 more
DeKalb County 1 ZIP code
Waterman
Dekalb County 10 ZIP codes
Cortland, DeKalb, Genoa, Hinckley, Kingston, Kirkland, Malta, Sandwich and 2 more
Douglas County 7 ZIP codes
Arcola, Arthur, Camargo, Hindsboro, Murdock, Tuscola, Villa Grove
DuPage County 2 ZIP codes
Eola, Wayne
Dupage County 57 ZIP codes
Aurora, Carol Stream, Naperville, Bensenville, Bloomingdale, Downers Grove, Glen Ellyn, Hinsdale and 21 more
Jackson County 15 ZIP codes
Carbondale, Ava, Campbell Hill, De Soto, Dowell, Elkville, Gorham, Grand Tower and 5 more
Kendall County 7 ZIP codes
Bristol, Millbrook, Montgomery, Newark, Oswego, Plano, Yorkville
LaSalle County 3 ZIP codes
Leland, Millington, Ransom
Lake County 32 ZIP codes
Waukegan, Barrington, North Chicago, Antioch, Buffalo Grove, Deerfield, Fox Lake, Grayslake and 20 more
Lasalle County 12 ZIP codes
Earlville, La Salle, Marseilles, Mendota, Oglesby, Ottawa, Peru, Seneca and 4 more
Marshall County 2 ZIP codes
Henry, Wenona
McLean County 11 ZIP codes
Anchor, Arrowsmith, Bellflower, Colfax, Cooksville, Cropsey, Ellsworth, Saybrook and 3 more
Mclean County 19 ZIP codes
Bloomington, Normal, Chenoa, Danvers, Downs, Gridley, Heyworth, Hudson and 3 more
Monroe County 1 ZIP code
Columbia
Peoria County 3 ZIP codes
Brimfield, Chillicothe, Peoria
Sangamon County 21 ZIP codes
Springfield, Chatham, Glenarm, New Berlin, Pawnee, Pleasant Plains
St. Clair County 8 ZIP codes
Belleville, Caseyville, Fairview Heights, Lebanon, O'Fallon, Scott Air Force Base
Tazewell County 1 ZIP code
Pekin
Union County 7 ZIP codes
Alto Pass, Anna, Cobden, Dongola, Jonesboro, Millcreek, Wolf Lake
Vermilion County 17 ZIP codes
Danville, Bismarck, Catlin, Collison, Fairmount, Fithian, Georgetown, Henning and 8 more
Winnebago County 28 ZIP codes
Rockford, Loves Park, Cherry Valley, Durand, Machesney Park, Pecatonica, Rockton, Roscoe and 4 more
Woodford County 2 ZIP codes
Carlock, Metamora

25 more Illinois counties are inside the coverage area and are not listed here. If your ZIP code is in Illinois, the call reaches a contractor.

What that coverage looks like

Cook County holds 215 of the 750 ZIP codes we cover in Illinois, and Chicago 85 of those. A supply that large is usually one system with one published quality report; the remaining 50 counties contain many smaller systems, each with a report of its own.

How a water filtration job goes

Filtration is chosen from a test result, not from a taste. Hardness, iron, sediment and chlorine each call for different equipment, and a cartridge sized for one does nothing for the others. The order is always the same: find out what is in the water, then decide what has to come out of it, then size the equipment for how much water the house actually uses.

What the call asks about water filtration

Whether the supply is a public system or a private well, because the testing route is different.
What the water is actually doing — staining, scale, smell, taste, cloudiness.
Whether there is a test result already, from the annual report or from a lab.

Every Illinois city we route in

152 cities, ordered by the share of housing built since 2000. Plumbing age decides what the water picks up between the main and the tap. Each page carries that city’s own numbers and the ZIP codes we route there.

Before you call

Filtration starts with knowing what is actually in the supply. The pages above set out which test result points at which kind of equipment.

Water running from a kitchen tap into a glass