Henry County, Illinois — public water systems

75 active public water systems serve Henry County, reporting 43.2K people served.

Dataset updated July 2026 . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

Population served

43.2K

Community systems

Groundwater share

100%

Water systems in Henry County

Active public water systems in Henry County, Illinois
#	Water system	County	Population served	Type	Source
1	Kewanee	Henry	12,509	Community	Groundwater
2	Geneseo	Henry	6,539	Community	Groundwater
3	Colona West	Henry	2,640	Community	Groundwater
4	Colona East	Henry	2,501	Community	Groundwater
5	Galva	Henry	2,449	Community	Groundwater
6	Cambridge	Henry	2,086	Community	Groundwater
7	Orion	Henry	1,754	Community	Groundwater
8	Atkinson	Henry	955	Community	Groundwater
9	Baka Krisdala Rest Area E Bound	Henry	900	Transient non-community	Groundwater
10	Baka Krisdala Rest Area W Bound	Henry	900	Transient non-community	Groundwater
11	Annawan	Henry	843	Community	Groundwater
12	Woodhull	Henry	771	Community	Groundwater
13	Alpha	Henry	626	Community	Groundwater
14	Andover	Henry	565	Community	Groundwater
15	M and A Country Store	Henry	500	Transient non-community	Groundwater
16	Geneseo Hills Subdivision	Henry	500	Community	Groundwater
17	Buysse Subdivision	Henry	380	Community	Groundwater
18	Sunny Hill Estates Subdivision	Henry	375	Community	Groundwater
19	Willow Haven MHP	Henry	270	Community	Purchased groundwater
20	Rustic Acres Water Association	Henry	260	Community	Groundwater
21	Colona Park LLC - Formerly Kershaw MHP	Henry	250	Community	Purchased groundwater
22	Hazelwood Heights Subdivision	Henry	235	Community	Groundwater
23	Shadow Lake	Henry	200	Transient non-community	Groundwater
24	Cornerstone Retreat Center	Henry	200	Transient non-community	Groundwater
25	Kewanee Lsrc	Henry	200	Community	Purchased groundwater
26	Whispering Pines	Henry	200	Transient non-community	Groundwater
27	Country Estates Subdivision	Henry	188	Community	Groundwater
28	Kone Inc.	Henry	160	Non-transient non-community	Groundwater
29	Hazelwood 4th Addition	Henry	140	Community	Groundwater
30	Colona United Methodist Church	Henry	140	Transient non-community	Groundwater
31	Timber Brook Estates	Henry	120	Community	Groundwater
32	Bishop Hill	Henry	113	Community	Groundwater
33	Ophiem Pws	Henry	110	Community	Groundwater
34	Hillcrest Home	Henry	103	Community	Groundwater
35	The Stables, LLC	Henry	100	Transient non-community	Groundwater
36	Lavender Crest Winery	Henry	100	Transient non-community	Groundwater
37	Timbrook Field City of Colona	Henry	100	Transient non-community	Groundwater
38	Lynwood 3rd Addition	Henry	100	Community	Groundwater
39	North Hazelwood Sbdv	Henry	100	Community	Groundwater
40	Lynn Water Association, Inc.	Henry	100	Community	Groundwater
41	Faith Baptist Church (122796)	Henry	100	Transient non-community	Groundwater
42	Oakwood Country Club	Henry	100	Transient non-community	Groundwater
43	Oak View Estates	Henry	95	Community	Groundwater
44	Wolf Ridge Well Corporation	Henry	95	Community	Groundwater
45	Timber Ridge Sbdv	Henry	90	Community	Groundwater
46	Geneseo Hickory Hills Hoa	Henry	83	Community	Groundwater
47	Osco Mutual Water Supply Company, Inc..	Henry	80	Community	Groundwater
48	Blackhawk College East Campus	Henry	80	Community	Groundwater
49	Nancys MHP	Henry	77	Community	Purchased groundwater
50	Lake Lynwood Water System	Henry	75	Community	Groundwater