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Roscommon County, Michigan — public water systems

At a glance

222 active public water systems are filed under Roscommon County, Michigan in EPA's SDWIS records, together reporting 50,696 people served. The largest is South Higgins Lake State Park Campground, which reports serving 5,024 people. 14 are community water systems serving people where they live; the other 208 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

222

Population served

50.7K

Community systems

14

Groundwater share

100%

How does Roscommon County compare with other Michigan counties?

Roscommon County has the 9th-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 50,696 people served in total, the 26th-largest county figure in the state and 0.6% of the statewide total. The average system here reports serving 228 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 Roscommon County's drinking water come from?

By primary water source, Roscommon County's active systems draw on groundwater (222, 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, South Higgins Lake State Park Campground, draws primarily on groundwater.

What kinds of water systems operate in Roscommon County?

Roscommon County's active systems break down as 14 community systems (6.3%), 27 non-transient non-community systems (12%) and 181 transient non-community systems (82%). 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 (95%), state government (3.6%) and local government (0.9%).

The 50 largest water systems in Roscommon County

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Active public water systems in Roscommon County, Michigan
#Water systemCountyPopulation servedTypeSource
1South Higgins Lake State Park CampgroundRoscommon5,024Transient non-communityGroundwater
2South Higgins Lake State Park Store/HqRoscommon2,000Transient non-communityGroundwater
3Mcdonalds (Prudenville)Roscommon1,500Non-transient non-communityGroundwater
4Mcdonalds (Houghton Lake)Roscommon1,200Non-transient non-communityGroundwater
5Roscommon, Village ofRoscommon1,075CommunityGroundwater
6Home Depot #2769Roscommon1,000Non-transient non-communityGroundwater
7Charlton Heston AcademyRoscommon825Non-transient non-communityGroundwater
8Shell Minimart Houghton LakeRoscommon800Transient non-communityGroundwater
9Sunrise Conv Store #20Roscommon750Transient non-communityGroundwater
10Taco Bell - Houghton LakeRoscommon750Transient non-communityGroundwater
11Beacon & Bridge MarketRoscommon700Transient non-communityGroundwater
12H.L. Middle/Elementary SchoolRoscommon700Non-transient non-communityGroundwater
13Mdot - Milehill, R434Roscommon700Transient non-communityGroundwater
14H.L. High SchoolRoscommon650Non-transient non-communityGroundwater
15Camp Cobeac (Lake Pump House)Roscommon600Transient non-communityGroundwater
16Camp Cobeac (Kitchen)Roscommon600Transient non-communityGroundwater
17Bp Prudenville Family Ez MartRoscommon500Transient non-communityGroundwater
18Sandyoak R.V. ParkRoscommon500Transient non-communityGroundwater
19Arby'SRoscommon450Transient non-communityGroundwater
20H.L. Global Methodist ChurchRoscommon450Transient non-communityGroundwater
21Roscommon High SchoolRoscommon435Non-transient non-communityGroundwater
22West Houghton Lake CampgroundRoscommon400Transient non-communityGroundwater
23Louie'S Fresh MarketRoscommon400Transient non-communityGroundwater
24Bates Wooded Acres Family CgRoscommon400Transient non-communityGroundwater
25Dairy Queen (Prudenville)Roscommon400Transient non-communityGroundwater
26Northern Mi Banquet and Event CenterRoscommon400Transient non-communityGroundwater
27Sunrise Conv Store #27Roscommon400Transient non-communityGroundwater
28Roscommon Elementary EastRoscommon354Non-transient non-communityGroundwater
29Roscommon Elementary WestRoscommon354Non-transient non-communityGroundwater
30Rite Aid #04431-01 - Houghton LakeRoscommon350Transient non-communityGroundwater
31Pines TheatreRoscommon340Transient non-communityGroundwater
32Roscommon Middle SchoolRoscommon322Non-transient non-communityGroundwater
33Walgreens #10489Roscommon300Transient non-communityGroundwater
34Evergreen Northern MarketRoscommon300Transient non-communityGroundwater
35Forwards St HelenRoscommon300Transient non-communityGroundwater
36Houghton Lake Travel ParkRoscommon300Transient non-communityGroundwater
37Roscommon H.S. ConcessionsRoscommon300Transient non-communityGroundwater
38NibblesRoscommon300Transient non-communityGroundwater
39American Legion Post #245 PrudenvilleRoscommon300Transient non-communityGroundwater
40Fashion Center (Strip Mall)Roscommon300Transient non-communityGroundwater
41Clouse Houghton Lake Properties LLCRoscommon300Non-transient non-communityGroundwater
42Bp Prudenville Ez Mart StationRoscommon300Transient non-communityGroundwater
43Family Fare - Houghton LakeRoscommon300Non-transient non-communityGroundwater
44Houghton Lake Ez MartRoscommon300Transient non-communityGroundwater
45Mid Michigan Health Park SouthRoscommon300Non-transient non-communityGroundwater
46Mid Michigan Health Park NorthRoscommon300Non-transient non-communityGroundwater
47Custard CupRoscommon300Transient non-communityGroundwater
48Ye Olde Country ClubRoscommon300Transient non-communityGroundwater
49Joes ConeyRoscommon300Transient non-communityGroundwater
50Us Energy DistributionRoscommon300Transient non-communityGroundwater

All other water systems in Roscommon County (172)

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

Roscommon County water systems: frequently asked questions

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

EPA's SDWIS records file 222 active public water systems under Roscommon County, Michigan: 14 community systems (6.3%), 27 non-transient non-community systems (12%) and 181 transient non-community systems (82%).

Who supplies drinking water in Roscommon County, MI?

The largest community water systems filed under Roscommon County are Village of Roscommon (1,075 people served), Sandyoak Rv Resort (150 people served) and Sandhill Manor (148 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 Roscommon County's drinking water come from groundwater or surface water?

Of the 222 active public water systems in Roscommon County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, South Higgins Lake State Park Campground, uses groundwater.

Where can I find a water quality report for Roscommon 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. 14 community systems are filed under Roscommon 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 Roscommon 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 Roscommon County, Michigan”, https://aquacensus.com/water-systems/michigan/roscommon (data as of October 1, 2026).