Sangamon County, Illinois — public water systems

60 active public water systems serve Sangamon County, reporting 183.4K people served.

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

Active systems

Population served

183.4K

Community systems

Groundwater share

33.3%

Water systems in Sangamon County

Active public water systems in Sangamon County, Illinois
#	Water system	County	Population served	Type	Source
1	Springfield	Sangamon	117,444	Community	Surface water
2	Chatham	Sangamon	16,423	Community	Purchased groundwater
3	Curran-Gardner Township PWD	Sangamon	6,651	Community	Groundwater
4	Williamsville	Sangamon	6,198	Community	Purchased surface water
5	Auburn	Sangamon	4,574	Community	Purchased surface water
6	Riverton	Sangamon	4,279	Community	Groundwater
7	Rochester	Sangamon	3,856	Community	Purchased surface water
8	Pawnee	Sangamon	2,739	Community	Purchased surface water
9	Dawson	Sangamon	2,375	Community	Groundwater
10	Jerome	Sangamon	1,600	Community	Purchased surface water
11	Pleasant Plains	Sangamon	1,508	Community	Groundwater
12	Grandview	Sangamon	1,405	Community	Purchased surface water
13	New Berlin	Sangamon	1,380	Community	Purchased groundwater
14	Divernon	Sangamon	1,172	Community	Purchased surface water
15	Mechanicsburg-Buffalo Water Commission	Sangamon	1,170	Community	Groundwater
16	Illiopolis	Sangamon	1,037	Community	Purchased groundwater
17	Ej Water-Sangchris	Sangamon	1,025	Community	Purchased groundwater
18	Grand Valley Village MHP	Sangamon	912	Community	Purchased surface water
19	Round Prairie Water Coop	Sangamon	813	Community	Purchased surface water
20	Loami	Sangamon	812	Community	Purchased surface water
21	Sugar Crk PWD	Sangamon	754	Community	Purchased surface water
22	Thayer	Sangamon	721	Community	Purchased surface water
23	Woodland Acres MHP	Sangamon	464	Community	Purchased surface water
24	Oakwood Estates	Sangamon	420	Community	Purchased surface water
25	Cottonwood Cove MHP	Sangamon	358	Community	Purchased surface water
26	Forrest Park MHP	Sangamon	352	Community	Purchased surface water
27	Pheasant Run MHP	Sangamon	350	Community	Purchased surface water
28	Northbrook Mhc	Sangamon	220	Community	Purchased surface water
29	Bissell Village Mhc	Sangamon	220	Community	Purchased surface water
30	Church of the Nazarene (142588)	Sangamon	200	Transient non-community	Groundwater
31	Deerwood Estates	Sangamon	176	Community	Purchased surface water
32	Milton Manor MHP	Sangamon	154	Community	Purchased surface water
33	Westwood Place	Sangamon	152	Community	Purchased surface water
34	Gaslite Court Mhc	Sangamon	148	Community	Purchased surface water
35	South Sangamon Water Commission	Sangamon	134	Community	Groundwater
36	Ridge Village MHP	Sangamon	120	Community	Purchased surface water
37	Park Ridge Mhc	Sangamon	116	Community	Purchased surface water
38	Scottsdale Mhc	Sangamon	114	Community	Purchased surface water
39	The Gym of Springfield	Sangamon	100	Transient non-community	Groundwater
40	Sangchris State Park Office (10066)	Sangamon	100	Transient non-community	Groundwater
41	Edgewood Mobile Home Court (Mhc)	Sangamon	92	Community	Purchased surface water
42	Linden Manor MHP	Sangamon	84	Community	Purchased surface water
43	Patch Place Mhc	Sangamon	47	Community	Purchased surface water
44	Westwood	Sangamon	44	Community	Purchased surface water
45	County Market Sherman	Sangamon	25	Transient non-community	Purchased surface water
46	Whiskey Ridge Saloon, LLC	Sangamon	25	Transient non-community	Groundwater
47	Springfield Koa Kampground Inc.	Sangamon	25	Transient non-community	Groundwater
48	Twice the Ice Springfield	Sangamon	25	Transient non-community	Purchased surface water
49	Everest Water & Ice Vending Rochester	Sangamon	25	Transient non-community	Purchased surface water
50	Boarman Aqua Pure (147926)	Sangamon	25	Transient non-community	Purchased groundwater