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Otsego County, Michigan — public water systems

At a glance

119 active public water systems are filed under Otsego County, Michigan in EPA's SDWIS records, together reporting 20,844 people served. The largest is City of Gaylord, which reports serving 3,629 people. 11 are community water systems serving people where they live; the other 108 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.

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

Active systems

119

Population served

20.8K

Community systems

11

Groundwater share

100%

How does Otsego County compare with other Michigan counties?

Otsego County has the 32nd-most active public water systems among the 131 counties listed for active Michigan systems in EPA records; among the 88 with 3 or more systems, the median has 92. Its systems report 20,844 people served in total, the 60th-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 175 people, well below the Michigan average of 847. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.

Where does Otsego County's drinking water come from?

By primary water source, Otsego County's active systems draw on groundwater (119, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 97% and 3.1% across Michigan. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, City of Gaylord, draws primarily on groundwater.

What kinds of water systems operate in Otsego County?

Otsego County's active systems break down as 11 community systems (9.2%), 12 non-transient non-community systems (10%) and 96 transient non-community systems (81%). A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (87%), state government (12%) and local government (0.8%).

The 50 largest water systems in Otsego County

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Active public water systems in Otsego County, Michigan
#Water systemCountyPopulation servedTypeSource
1Gaylord, City ofOtsego3,629CommunityGroundwater
2Mdot - Loon Lake Rest Area, R405Otsego1,001Transient non-communityGroundwater
3Gaylord Evangelical Free ChurchOtsego900Transient non-communityGroundwater
4Mdot - Vanderbilt Rest AreaOtsego866Transient non-communityGroundwater
5Hilltop MarathonOtsego809Transient non-communityGroundwater
6Johannesburg-Lewiston High SchoolOtsego600Non-transient non-communityGroundwater
7Treetops the LodgeOtsego600Non-transient non-communityGroundwater
8Waters Ez MartOtsego600Transient non-communityGroundwater
9Dnr Otsego Lake State Park - NOtsego500Transient non-communityGroundwater
10Dnr Otsego Lake State Park - SOtsego500Transient non-communityGroundwater
11Treetops Top of the HillOtsego400Transient non-communityGroundwater
12Iron Pig Smokehouse 2Otsego300Transient non-communityGroundwater
13Dollar General - GaylordOtsego300Transient non-communityGroundwater
14Big Buck BreweryOtsego300Transient non-communityGroundwater
15Alpine CrossingsOtsego300Non-transient non-communityGroundwater
16Busy Bee MarketOtsego250Transient non-communityGroundwater
17The Loon Golf ResortOtsego250Transient non-communityGroundwater
18Otsego Club Halfway House 12th GreenOtsego225Transient non-communityGroundwater
19Gaylord Koa HolidayOtsego200Transient non-communityGroundwater
20Knights of Columbus - Gaylord #2781Otsego200Transient non-communityGroundwater
21Lost Valley Bible CampOtsego200Transient non-communityGroundwater
22Stony Hill MarathonOtsego200Transient non-communityGroundwater
23The Hope Church - GaylordOtsego200Transient non-communityGroundwater
24Porter HausOtsego200Transient non-communityGroundwater
25Grace Baptist ChurchOtsego200Transient non-communityGroundwater
26Holy Redeemer Catholic ChurchOtsego200Transient non-communityGroundwater
27Vanderbilt Downtown Ez MartOtsego200Transient non-communityGroundwater
28Nottingham Forest MHPOtsego185CommunityGroundwater
29Cooper/Standard Auto - GaylordOtsego180Non-transient non-communityGroundwater
30Bennethum'S Northern InnOtsego175Transient non-communityGroundwater
31Groen Nature Preserve - Halfway PointOtsego153Transient non-communityGroundwater
32Groen Nature Preserve - PavilionOtsego153Transient non-communityGroundwater
33Treetops Jones Club HouseOtsego150Transient non-communityGroundwater
34Commerce ParkOtsego150Non-transient non-communityGroundwater
35The Lakes at Loon Golf ResortOtsego150Transient non-communityGroundwater
36Gaylord Golf ClubOtsego150Transient non-communityGroundwater
37Glen Meadows CondominiumsOtsego142CommunityGroundwater
38Otsego Christian SchoolOtsego140Non-transient non-communityGroundwater
39Michaywe Pro Shop/GrilleOtsego125Transient non-communityGroundwater
40Vanderbilt SchoolOtsego125Non-transient non-communityGroundwater
41H & H Tube Mfg CoOtsego125Non-transient non-communityGroundwater
42Otsego Lake County Park-Main OfficeOtsego125Transient non-communityGroundwater
43Corwith StationOtsego120Transient non-communityGroundwater
44Ridge Summit GrillOtsego120Transient non-communityGroundwater
45Pauls PubOtsego120Transient non-communityGroundwater
46Michaywe Inn the WoodsOtsego110Transient non-communityGroundwater
47Nmsas Recovery CenterOtsego100Transient non-communityGroundwater
48Mclaren Gaylord Family PracticeOtsego100Transient non-communityGroundwater
49Redwing Whippy DipOtsego100Transient non-communityGroundwater
50Treetops North ClubhouseOtsego100Transient non-communityGroundwater

All other water systems in Otsego County (69)

The remaining active systems filed under Otsego County, largest first, with the population each reports serving.

Otsego County water systems: frequently asked questions

How many public water systems are in Otsego County, Michigan?

EPA's SDWIS records file 119 active public water systems under Otsego County, Michigan: 11 community systems (9.2%), 12 non-transient non-community systems (10%) and 96 transient non-community systems (81%).

Who supplies drinking water in Otsego County, MI?

The largest community water systems filed under Otsego County are City of Gaylord (3,629 people served), Nottingham Forest MHP (185 people served) and Glen Meadows Condominiums (142 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.

Does Otsego County's drinking water come from groundwater or surface water?

Of the 119 active public water systems in Otsego County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, City of Gaylord, uses groundwater.

Where can I find a water quality report for Otsego County?

Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 11 community systems are filed under Otsego County, so the report to look for is the one from the system that supplies your address.

How can I check violations for a water system in Otsego County?

Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.

More Michigan water systems

About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Public water systems in Otsego County, Michigan”, https://aquacensus.com/water-systems/michigan/otsego (data as of October 1, 2026).