Otter Tail County, Minnesota — public water systems

272 active public water systems serve Otter Tail County, reporting 44.2K people served.

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

Active systems

272

Population served

44.2K

Community systems

Groundwater share

99.6%

Water systems in Otter Tail County

Active public water systems in Otter Tail County, Minnesota
#	Water system	County	Population served	Type	Source
1	Fergus Falls	Otter Tail	14,194	Community	Surface water
2	Perham	Otter Tail	3,421	Community	Groundwater
3	Pelican Rapids	Otter Tail	2,577	Community	Groundwater
4	New York Mills	Otter Tail	1,287	Community	Groundwater
5	Parkers Prairie	Otter Tail	1,023	Community	Groundwater
6	Battle Lake	Otter Tail	918	Community	Groundwater
7	Henning	Otter Tail	851	Community	Groundwater
8	Ottertail	Otter Tail	694	Community	Purchased groundwater
9	Young Life Castaway Club	Otter Tail	450	Transient non-community	Groundwater
10	Lakeland General Store	Otter Tail	400	Transient non-community	Groundwater
11	Underwood	Otter Tail	380	Community	Groundwater
12	Vergas	Otter Tail	358	Community	Groundwater
13	Deer Creek	Otter Tail	329	Community	Groundwater
14	St. John'S Catholic Church	Otter Tail	300	Transient non-community	Groundwater
15	Zion Lutheran Church	Otter Tail	300	Transient non-community	Groundwater
16	Fair Hills Resort	Otter Tail	250	Transient non-community	Groundwater
17	Silver Moon Lounge	Otter Tail	250	Transient non-community	Groundwater
18	Legacy Lakeside Resort	Otter Tail	225	Transient non-community	Groundwater
19	Otter Tail Lake Campground	Otter Tail	215	Transient non-community	Groundwater
20	Dalton	Otter Tail	209	Community	Groundwater
21	North Central Camp Cherith, Inc..	Otter Tail	200	Transient non-community	Groundwater
22	Delagoon Park & Recreation Area	Otter Tail	200	Transient non-community	Groundwater
23	Golden Eagle Vacationland	Otter Tail	200	Transient non-community	Groundwater
24	St. Lawrence Catholic Church	Otter Tail	180	Transient non-community	Groundwater
25	Spanky'S Stone Hearth	Otter Tail	175	Transient non-community	Groundwater
26	Pelican Hills Rv Park	Otter Tail	170	Transient non-community	Groundwater
27	Elizabeth	Otter Tail	168	Community	Groundwater
28	Swan Lake Resort	Otter Tail	150	Transient non-community	Groundwater
29	Lakes Inn at Dunvilla	Otter Tail	150	Transient non-community	Groundwater
30	Lake Lizzie Shores Resort	Otter Tail	150	Transient non-community	Groundwater
31	Ten Mile Lake Resort, Inc..	Otter Tail	150	Transient non-community	Groundwater
32	Zorbaz of Pelican Lake, Inc..	Otter Tail	150	Transient non-community	Groundwater
33	St. John'S Lutheran Church	Otter Tail	150	Transient non-community	Groundwater
34	Wee Villa Resort	Otter Tail	150	Transient non-community	Groundwater
35	St. John'S Lutheran Church	Otter Tail	150	Transient non-community	Groundwater
36	Zion Lutheran Church North Effington	Otter Tail	150	Transient non-community	Groundwater
37	Zion Lutheran Church	Otter Tail	150	Transient non-community	Groundwater
38	Hansel Lake Rest Area Mndot	Otter Tail	150	Transient non-community	Groundwater
39	Immanual Lutheran Church	Otter Tail	150	Transient non-community	Groundwater
40	St. James Catholic Church	Otter Tail	140	Transient non-community	Groundwater
41	Sacred Heart Catholic Church	Otter Tail	130	Transient non-community	Groundwater
42	North Immanuel Lutheran Church	Otter Tail	130	Transient non-community	Groundwater
43	Esther Lutheran Church	Otter Tail	130	Transient non-community	Groundwater
44	Stavanger Lutheran Church	Otter Tail	125	Transient non-community	Groundwater
45	Spirit of Hope Lutheran Church	Otter Tail	125	Transient non-community	Groundwater
46	Glendalough State Park	Otter Tail	125	Transient non-community	Groundwater
47	Central Lutheran Church	Otter Tail	125	Transient non-community	Groundwater
48	Grue Lutheran Church	Otter Tail	125	Transient non-community	Groundwater
49	Immanuel Lutheran Church	Otter Tail	120	Transient non-community	Groundwater
50	Sacred Heart Rectory and Church	Otter Tail	120	Transient non-community	Groundwater