Richland County, Ohio — public water systems

114 active public water systems serve Richland County, reporting 101.8K people served.

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

Active systems

114

Population served

101.8K

Community systems

Groundwater share

97.4%

Water systems in Richland County

Active public water systems in Richland County, Ohio
#	Water system	County	Population served	Type	Source
1	Mansfield City	Richland	51,000	Community	Surface water
2	Shelby City	Richland	9,453	Community	Surface water
3	Ontario City	Richland	6,756	Community	Groundwater
4	Lexington Village	Richland	4,825	Community	Groundwater
5	Madison Water District	Richland	2,050	Community	Groundwater
6	Bellville Village	Richland	1,918	Community	Groundwater
7	Plymouth Village	Richland	1,874	Community	Purchased surface water
8	Crestview Local Schools	Richland	1,400	Non-transient non-community	Groundwater
9	Clear Fork High School	Richland	1,178	Non-transient non-community	Groundwater
10	Eastview Community Water Association	Richland	1,100	Community	Groundwater
11	Butler Village	Richland	940	Community	Groundwater
12	Mansfield Fuel and Food	Richland	840	Transient non-community	Groundwater
13	Aqua Ohio - Mansfield System #01	Richland	813	Community	Groundwater
14	Aqua Ohio - Mansfield System #07	Richland	781	Community	Groundwater
15	Madison South Elementary	Richland	675	Non-transient non-community	Groundwater
16	Shiloh Village	Richland	649	Community	Groundwater
17	Lucas Village	Richland	620	Community	Groundwater
18	Aqua Ohio - Mansfield System #02	Richland	588	Community	Groundwater
19	Walnut Hills Water Association	Richland	583	Community	Groundwater
20	Crestwood Hills C and R Association	Richland	564	Community	Groundwater
21	Aqua Ohio - Mansfield System #03	Richland	525	Community	Groundwater
22	Shelly Acres Water Association	Richland	454	Community	Groundwater
23	Aqua Ohio - Mansfield System #06	Richland	412	Community	Groundwater
24	Sacred Heart School	Richland	398	Non-transient non-community	Groundwater
25	Mifflin Elementary School	Richland	352	Non-transient non-community	Groundwater
26	Ontario Christian Fellowship	Richland	350	Transient non-community	Groundwater
27	Impact Worship Center Mansfield	Richland	335	Transient non-community	Groundwater
28	Clearfork MHP	Richland	318	Community	Groundwater
29	Expressview Comm Water Association	Richland	300	Community	Groundwater
30	Odot Rest Area 3-34 West	Richland	300	Transient non-community	Groundwater
31	Journey Life Center Church & College	Richland	285	Transient non-community	Groundwater
32	Aqua Ohio - Mansfield System #11	Richland	280	Community	Groundwater
33	Odot Rest Area 3-33 East	Richland	275	Transient non-community	Groundwater
34	Diamond Hill Cathedral Church	Richland	265	Transient non-community	Groundwater
35	Hidden Hollow Camp	Richland	232	Transient non-community	Groundwater
36	Odnr - Malabar Farm State Park Inn	Richland	230	Transient non-community	Groundwater
37	Lexview Allotment	Richland	225	Community	Groundwater
38	Snow Trails No 1 - Rental	Richland	225	Transient non-community	Groundwater
39	Briarwood Estates MHP	Richland	222	Community	Groundwater
40	Butler Mohican Koa Campground	Richland	213	Transient non-community	Groundwater
41	Oakwood Crossing MHP	Richland	200	Community	Groundwater
42	Willow Park Water Association	Richland	200	Community	Groundwater
43	Colonial Hills MHP	Richland	185	Community	Groundwater
44	Odnr - Malabar Farm State Park Big House	Richland	180	Transient non-community	Groundwater
45	Heatherwood Community Water Assoc Pws	Richland	177	Community	Groundwater
46	Church of God - Shelby	Richland	175	Transient non-community	Groundwater
47	Arbors at Mifflin	Richland	172	Community	Groundwater
48	Aqua Ohio - Mansfield System #08	Richland	170	Community	Groundwater
49	North Bend Church of the Brethren	Richland	160	Transient non-community	Groundwater
50	Hillsdale Community Water Association Pw	Richland	160	Community	Groundwater