Grant County, Indiana — public water systems

47 active public water systems serve Grant County, reporting 52.7K people served.

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

Active systems

Population served

52.7K

Community systems

Groundwater share

100%

Water systems in Grant County

Active public water systems in Grant County, Indiana
#	Water system	County	Population served	Type	Source
1	Marion City Water Works	Grant	28,363	Community	Groundwater
2	Gas City Water Department	Grant	6,000	Community	Groundwater
3	Upland Water Department	Grant	3,308	Community	Groundwater
4	Fairmount Water Works	Grant	2,756	Community	Groundwater
5	Jonesboro Water Department	Grant	2,034	Community	Groundwater
6	Swayzee Water Utility	Grant	975	Community	Groundwater
7	Eastbrook High School	Grant	900	Non-transient non-community	Groundwater
8	Van Buren Municipal Utilities	Grant	864	Community	Groundwater
9	Oak Hill Jr./Sr. High School	Grant	860	Non-transient non-community	Groundwater
10	Lakeview Wesleyan Church & Elementary	Grant	750	Non-transient non-community	Groundwater
11	Liberty Baptist Church	Grant	655	Transient non-community	Groundwater
12	Madison-Grant High School	Grant	630	Non-transient non-community	Groundwater
13	Route 22 Petroleum	Grant	549	Transient non-community	Groundwater
14	Lighthouse Assembly of God	Grant	479	Transient non-community	Groundwater
15	Sweetser Food Mart, Inc..	Grant	408	Transient non-community	Groundwater
16	Sweetser Elementary	Grant	350	Non-transient non-community	Groundwater
17	Marion Bp	Grant	252	Transient non-community	Groundwater
18	Shiloh Park Retreat & Conference Center	Grant	250	Transient non-community	Groundwater
19	Hidden Lake Campground	Grant	203	Transient non-community	Groundwater
20	Arbor Trace Golf Course - Clubhouse	Grant	177	Transient non-community	Groundwater
21	Woodland Hills Church of Christ	Grant	175	Transient non-community	Groundwater
22	Central Indiana Ethanol, LLC.	Grant	159	Non-transient non-community	Groundwater
23	The Ark Christian Ministries	Grant	154	Transient non-community	Groundwater
24	Twin City Bible Baptist Church	Grant	130	Transient non-community	Groundwater
25	Auto Owners Insurance	Grant	100	Non-transient non-community	Groundwater
26	Suite Living LLC	Grant	90	Non-transient non-community	Groundwater
27	Sweetser Cafe	Grant	82	Transient non-community	Groundwater
28	Open Door Fellowship Church	Grant	80	Transient non-community	Groundwater
29	World Gospel Mission	Grant	80	Non-transient non-community	Groundwater
30	Marion First Friends Church	Grant	80	Non-transient non-community	Groundwater
31	Fairmount MHP, L.P.	Grant	80	Community	Groundwater
32	Maple Run Church	Grant	80	Transient non-community	Groundwater
33	Sports Lake	Grant	77	Transient non-community	Groundwater
34	Meshingomesia Country Club	Grant	72	Transient non-community	Groundwater
35	Walnut Creek Golf Course	Grant	65	Transient non-community	Groundwater
36	Marion Church of the Brethren	Grant	50	Transient non-community	Groundwater
37	Union Chapel Baptist Church	Grant	50	Transient non-community	Groundwater
38	Liberty Mobile Home Park	Grant	50	Community	Groundwater
39	Subway	Grant	45	Transient non-community	Groundwater
40	Johnsons Amoco #2	Grant	27	Transient non-community	Groundwater
41	American Legion Post #10	Grant	27	Transient non-community	Groundwater
42	Idyl Wyld Roller Palace	Grant	27	Transient non-community	Groundwater
43	Old Oak Inn	Grant	27	Transient non-community	Groundwater
44	Mar Brook Campground	Grant	25	Transient non-community	Groundwater
45	Harts Celebration Center	Grant	25	Transient non-community	Groundwater
46	Eastbrook School Corp - Maintenance Bldg	Grant	25	Transient non-community	Groundwater
47	Dollar General - Sweetser	Grant	25	Transient non-community	Groundwater