Illinois — all systems
Illinois water systems A–Z
Page 2 of 6 · Core Fx Ingredients → Harvard Hills Water Corporation. Every public water system we track in Illinois, alphabetically. Each links to the system's measured contaminant levels against federal limits.
- Core Fx Ingredients (2024)
- Corinth Pwd (2025)
- Cornell (2025)
- Cornerstone Christian Academy (2025)
- Cortland (2024)
- Cortland Corners Mhp (2025)
- Cottonwood Cove Mhp (2025)
- Coulterville (2025)
- Country Acres Mhp (la Salle County) (2025)
- Country Acres Mhp (whiteside County) (2025)
- Country Club Estates Subdivision (2024)
- Country Club Hills (2023)
- Country Estates Subdivision (2024)
- Country Hills Wtr, Inc. (2025)
- Country Lane Mhp (2024)
- Country View Estates Subdivision (2025)
- Country View Ests Mhp (2024)
- Country View Mhc (2025)
- Countryside (2025)
- Countryside Estates Mhp (2024)
- Countryside Lake Subdivision -lake Co Pw (2025)
- Countryside Mobile Home Estates Mhp (2024)
- Countryside Private School (2024)
- Countryside School (2024)
- Cowden (2025)
- Coyne Center Coop (2025)
- Crab Orchard Estates (2025)
- Crab Orchard Refuge (2025)
- Crainville (2025)
- Creal Springs (2023)
- Crescent City (2025)
- Crest Foods Mixing Dept (2024)
- Crest Foods Production Area (2025)
- Crest Hill (2025)
- Creston (2025)
- Crestwood (2023)
- Crete (2025)
- Creve Coeur (2025)
- Criswell Court Mhp (2024)
- Croppers 1st 4th and 5th Addition (2025)
- Cropsey Mutual Water Association (2023)
- Cross Lutheran School (2023)
- Crossville (2025)
- Crystal Lake (2025)
- Crystal Lake Chrysler Jeep Dodge Ram (2025)
- Crystal Lake Montessori (2024)
- Crystal Lawns Addition Improvement Assoc (2025)
- Cuba (2025)
- Cullom (2025)
- Curran-gardner Township Pwd (2025)
- Cutler (2022)
- Dahlgren (2024)
- Dakota (2025)
- Dallas City (2025)
- Dallas Rural Water District (2025)
- Dalton City (2023)
- Dalzell (2025)
- Damiansville (2024)
- Danforth (2024)
- Danisco (2024)
- Danvers (2025)
- Darien (2025)
- Davis (2025)
- Davis Junction (2023)
- Dawson (2025)
- Dayspring Bible College (2024)
- Ddp Specialty Electronic Materials Us (2025)
- De Land (2025)
- De Pue (2025)
- De Soto (2024)
- De Witt (2025)
- Deans Illinois Dairies (2025)
- Decatur (2025)
- Decatur Mhp, Llc (2024)
- Deer Creek (2025)
- Deer Park School (2025)
- Deerfield (2025)
- Deerwood Estates (2023)
- Dekalb (2025)
- Deland Weldon (2025)
- Delavan (2025)
- Deluxe Lake Estates Mhp (2024)
- Des Plaines (2025)
- Des Plaines Mhp (2025)
- Devansoy Inc (2023)
- Devils Kitchen Water District (2025)
- Dhs Rushville Treatment and Detention (2025)
- Diamond (2025)
- Diamond Lake Mhp (2024)
- Diamond Lake School (2023)
- Dieterich (2025)
- Dimmick Consol Comm School 175 (2023)
- Diocese of Rockford (2025)
- Divernon (2025)
- Diversified Cpc (2025)
- Dix-kell Water Commssion (2025)
- Dixie Estates Subdivision (2025)
- Dixmoor (2024)
- Dixon (2025)
- Dixon Correctional Center (2023)
- Dolan Education Center (2025)
- Dolton (2025)
- Dongola (2025)
- Donnellson (2024)
- Donny Brook Estates Subdivision (2025)
- Donovan (2025)
- Donovan Grade School (2024)
- Dorchester (2025)
- Dover (2024)
- Dowell (2025)
- Downers Grove (2025)
- Downs (2025)
- Dubois (2023)
- Duck Lake Well Owners Association (2024)
- Dunfermline-st David Water Commission (2025)
- Dunlap (2025)
- Dupo (2023)
- Dupont Pioneer (2024)
- Duquoin (2025)
- Dura Bar Metal Services (2025)
- Durand (2025)
- Durham School Services (2024)
- Dwight (2025)
- Eagarville (2022)
- Earlville (2025)
- East 30 Mhp (2025)
- East Alton (2023)
- East Dubuque (2025)
- East Dubuque Nitrogen Fertilizers (2024)
- East Dundee (2025)
- East End Water Association (2025)
- East Galesburg (2024)
- East Hazel Crest (2025)
- East Lawn Water Association (2024)
- East Lynn Community Water System (2022)
- East Moline (2025)
- East Moreland Wtr Service Assn (2022)
- East Peoria (2025)
- East Side Mhp (2024)
- Eastern Illinois University (2025)
- Easton (2025)
- Easy Breeze Manufactured Home Park (2023)
- Eaton Pwd (2024)
- Eberts 3rd Addition (2025)
- Ed Etnyre and Company (2025)
- Edelstein Water Coop (2025)
- Edgewood (2023)
- Edgewood Mobile Home Court (mhc) (2025)
- Edgington Water District (2025)
- Edinburg (2025)
- Edp Renewables (2024)
- Edward Hines Jr V a Hospital (2023)
- Edwardsville (2025)
- Effingham (2025)
- Egyptian Trail Water Corp (2024)
- Egyptian Water Company (2025)
- Ehlers Mhp (2025)
- Eisenhower Academy (2025)
- Ej Water Cooperative (2024)
- Ej Water-coalton (2022)
- Ej Water-dewey (2025)
- Ej Water-mcwc (2025)
- Ej Water-montrose (2025)
- Ej Water-niantic (2024)
- Ej Water-sangchris (2025)
- Ej Water-watson (2025)
- Ej Water-witt (2025)
- El Paso (2025)
- Elburn (2025)
- Eldorado (2025)
- Eldred (2025)
- Elgin (2024)
- Elizabeth (2025)
- Elizabethtown (2025)
- Elk Grove Village (2025)
- Elkhart (2025)
- Elkville (2025)
- Ellery Water Corp (2025)
- Elliott (2025)
- Ellis Grove (2025)
- Ellsworth (2025)
- Elm Oak Mutual Water System (2024)
- Elmhurst (2025)
- Elmwood (2025)
- Elmwood Park (2025)
- Elvaston (2025)
- Elverado Water District (2024)
- Elwood (2024)
- Embarras Area Water District (2025)
- Embrace Daycare (2017)
- Emden (2025)
- Emington (2025)
- Emmons Grade School (2025)
- Enchanted Village (2025)
- Energy (2025)
- Enfield (2025)
- Equality (2024)
- Equistar Chemicals Lp (2022)
- Erie (2025)
- Eswood School Dist 269 (2023)
- Eureka (2025)
- Evanston (2025)
- Evansville (2024)
- Everest Academy (2024)
- Evergreen Park (2025)
- Evergreen Village Subdivision (2025)
- Evergreen Wildwood Mobile Home Park (2024)
- Evonik Corporation (2022)
- Ewing-ina Water Commission (2025)
- Excel Foundry & Machine (2024)
- Exeter-merritt Water Coop (2023)
- Expressway Mhp (2024)
- Exxon Mobil Oil Refinery (2021)
- Fairbury (2025)
- Fairfield (2025)
- Fairmount (2025)
- Fairview (2022)
- Faith Christian Elementary School (2024)
- Faith Christian School / High School (2025)
- Falcon Farms (2025)
- Farina (2024)
- Farmer City (2025)
- Farmersville (2025)
- Fawn Hills Subdivision (2025)
- Fayette Water Company (2025)
- Fayetteville (2024)
- Fca Manufacturing Company (2025)
- Fci-marion (2025)
- Ferges Water District (2023)
- Ferrite International (2025)
- Ferson Creek Elem Schl-cusd 303 (2024)
- Fiber Tex-non Woven Solutions (2024)
- Fieldon (2025)
- Fields Hill Improvement Association (2020)
- Fields of Long Grove (2024)
- Fillmore (2025)
- Findlay (2025)
- First Student Prairie View 20092 (2025)
- Fithian (2025)
- Flanagan (2025)
- Flat Rock (2025)
- Flora (2025)
- Flossmoor (2025)
- Flower Garden Annex (2024)
- Flower Garden Day Care 3rd Bld (2024)
- Fmc Water Company (2025)
- Focus House (2024)
- Ford Heights (2023)
- Forest City (2025)
- Forest Lake Addition - Lake Co Pw (2023)
- Forest Park (2025)
- Forest View (2025)
- Forest View Mhp (2024)
- Forge at the Lake (2024)
- Forming America Ltd (2025)
- Forrest (2025)
- Forrest Park Mhp (2025)
- Forreston (2025)
- Forsyth (2025)
- Fort Massac Pwd (2025)
- Fosterburg Pwd (2025)
- Fountain Valley Mhp (2024)
- Fountain Water District (2025)
- Four Seasons Mhp (2025)
- Four Star Campground (2024)
- Fox Creek Farms Water Company (2025)
- Fox Lake (2025)
- Fox Lake Hills Subdivision - Lake Co Pw (2025)
- Fox Lawn Homeowners Water Association (2024)
- Fox Metro Water Reclamation District (2023)
- Fox River Grove (2025)
- Fox River Resort (2025)
- Fox Valley Ymca & Preschool (2024)
- Franciscan Sisters of Chicago (2024)
- Franciscan Sisters of the Sacred Heart (2024)
- Frankfort (2025)
- Franklin (2025)
- Franklin Grove (2025)
- Franklin Park (2025)
- Freeburg (2025)
- Freeman Spur (2025)
- Freeport (2025)
- Fremont Elementary School K-2 (2024)
- Fremont Intermediate School 3-5 (2024)
- Fremont School Dist 6-8 (2024)
- Frentress Lake (2024)
- Fsh Water Commission (2024)
- Full Fill Industries (2023)
- Fulton (2025)
- Fyre Lake Water Company (2025)
- Galapagos Charter School (2025)
- Galatia (2022)
- Galena (2025)
- Galesburg (2025)
- Gallatin-white Water District (2024)
- Galva (2025)
- Garden Home Sd (2024)
- Garden Street Improvement Association (2023)
- Gardner (2025)
- Garrett (2024)
- Gaslite Court Mhc (2023)
- Gateway Foundation (2025)
- Gateway Mhp (2025)
- Gavin Central Elementary (2025)
- Gavin South School (2025)
- Gdm Seeds (2025)
- Geneseo (2025)
- Geneseo Child Care (2023)
- Geneseo Hickory Hills Hoa (2024)
- Geneseo Hills Subdivision (2025)
- Geneva (2025)
- Genoa (2025)
- Georgetown (2025)
- German Valley (2025)
- Germantown (2025)
- Gibson City (2025)
- Gifford (2025)
- Gilberts (2025)
- Gillespie (2023)
- Gilman (2025)
- Girard (2025)
- Gladstone (2024)
- Glen Carbon (2025)
- Glen Eden Estates Homeowners Association (2024)
- Glen Ellyn (2025)
- Glen Ellyn Heights Subdivision (2023)
- Glenbrook Sd (2025)
- Glencoe (2025)
- Glendale Heights (2025)
- Glenstone Sbdv Hoa (2024)
- Glenview (2025)
- Glenwood (2025)
- Godley Public Water District (2025)
- Golconda (2025)
- Golden (2025)
- Golf (2025)
- Good Hope (2025)
- Good Shepherd Hospital (2023)
- Goodfield (2025)
- Goreville (2024)
- Gorham (2024)
- Gpwd Center (2016)
- Grace Christian Academy (2024)
- Grace Lutheran/sue Fosdal (2025)
- Grand Prairie Transit (2023)
- Grand Ridge (2025)
- Grand Tower (2023)
- Grand Valley Village Mhp (2025)
- Grandview (2025)
- Grandwood Park Subdivision - Lake Co Pw (2025)
- Grantfork (2022)
- Granville (2025)
- Grass Lake School (2025)
- Grayslake (2025)
- Grayville (2025)
- Great Lakes Naval Training Station (2025)
- Greater Quad City Auto Auction (2025)
- Green Acres Mhp (2025)
- Green Meadow Estates of Rockford Llc (2024)
- Green Oaks (2025)
- Green Valley (2025)
- Greene County Rwd (2023)
- Greenfield (2025)
- Greenup (2025)
- Greenview (2025)
- Greenview Estates Mhp (2024)
- Greenville (2025)
- Greenwood School (2024)
- Greenwood-creek Nation Water Company (2024)
- Gridley (2025)
- Griggsville (2025)
- Grove Medical Center (2024)
- Groveland Township Water District (2025)
- Gurnee (2025)
- H B Fuller (2024)
- Ha International Llc (2024)
- Hainesville (2025)
- Hamel (2025)
- Hamilton (2025)
- Hamilton County Water District (2024)
- Hammond (2024)
- Hampshire (2024)
- Hampton (2024)
- Hanaford (2024)
- Hanna City (2025)
- Hanover (2025)
- Hanover Park (2023)
- Harbor Lites-pistakee Fshg Cl (2025)
- Harbor Point Estates Mhp (2025)
- Hardin County Water District No.1 (2024)
- Harding Grade School (2025)
- Hardinville Water Company (2024)
- Harmon (2022)
- Harris Enterprises of Il (2024)
- Harrisburg (2025)
- Harristown (2025)
- Hartford (2025)
- Hartsburg (2025)
- Harvard (2025)
- Harvard Hills Water Corporation (2025)