Alger County, Michigan — public water systems
At a glance
85 active public water systems are filed under Alger County, Michigan in EPA's SDWIS records, together reporting 9,767 people served. The largest is Munising, which reports serving 2,783 people. 5 are community water systems serving people where they live; the other 80 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
85
Population served
9.8K
Community systems
5
Groundwater share
100%
How does Alger County compare with other Michigan counties?
Alger County has the 51st-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 9,767 people served in total, the 71st-largest county figure in the state and 0.1% of the statewide total. The average system here reports serving 115 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 Alger County's drinking water come from?
By primary water source, Alger County's active systems draw on groundwater (85, 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, Munising, draws primarily on groundwater.
What kinds of water systems operate in Alger County?
Alger County's active systems break down as 5 community systems (5.9%), 5 non-transient non-community systems (5.9%) and 75 transient non-community systems (88%). 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 (79%), local government (8.2%), state government (8.2%) and federal government (4.7%).
The 50 largest water systems in Alger County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Munising | Alger | 2,783 | Community | Groundwater |
| 2 | Munising Industrial Park | Alger | 465 | Community | Groundwater |
| 3 | Burt Township | Alger | 411 | Community | Groundwater |
| 4 | Chatham | Alger | 300 | Community | Groundwater |
| 5 | Pictured Rocks Rv Park & Campground | Alger | 288 | Transient non-community | Groundwater |
| 6 | Autrain Beach Campground | Alger | 200 | Transient non-community | Groundwater |
| 7 | Mdot - Grand Island Overlook, P238 | Alger | 200 | Transient non-community | Groundwater |
| 8 | Tractor Supply - Wetmore | Alger | 200 | Transient non-community | Groundwater |
| 9 | Mdot - Scott Falls, P232 | Alger | 200 | Transient non-community | Groundwater |
| 10 | Bear Den | Alger | 200 | Transient non-community | Groundwater |
| 11 | Mdot - Deer Lake R.P., P230 | Alger | 200 | Transient non-community | Groundwater |
| 12 | Mdot - Kiva R.P., P206 | Alger | 200 | Transient non-community | Groundwater |
| 13 | Mathias Township | Alger | 175 | Community | Groundwater |
| 14 | Quality Inn - (Rm130-147/230-247/Pool) | Alger | 160 | Transient non-community | Groundwater |
| 15 | Quality Inn - (Rm114-127/214-226) | Alger | 150 | Transient non-community | Groundwater |
| 16 | Quality Inn - (Rm101-112/201-212/Food) | Alger | 150 | Transient non-community | Groundwater |
| 17 | White Pine Lodge | Alger | 150 | Transient non-community | Groundwater |
| 18 | Koa Munsing Campground | Alger | 145 | Transient non-community | Groundwater |
| 19 | Buckhorn Management Group, LLC | Alger | 144 | Transient non-community | Groundwater |
| 20 | Americinn - Munising | Alger | 125 | Transient non-community | Groundwater |
| 21 | Holiday Inn Express - Munising | Alger | 110 | Transient non-community | Groundwater |
| 22 | Munising Baptist School | Alger | 100 | Non-transient non-community | Groundwater |
| 23 | Usnps - Grand Sable Visitor Center | Alger | 100 | Transient non-community | Groundwater |
| 24 | Circle K - Wetmore #2746416 | Alger | 100 | Transient non-community | Groundwater |
| 25 | Pictured Rocks Golf Course | Alger | 80 | Transient non-community | Groundwater |
| 26 | Dnr-Kingston Lake Cg | Alger | 75 | Transient non-community | Groundwater |
| 27 | Duck Pond | Alger | 75 | Transient non-community | Groundwater |
| 28 | Usnps - Lower Hurricane | Alger | 75 | Transient non-community | Groundwater |
| 29 | Usnps - Upper Hurricane | Alger | 75 | Transient non-community | Groundwater |
| 30 | Usnps - Sable Falls | Alger | 75 | Transient non-community | Groundwater |
| 31 | Usfs - Autrain Lake Campground | Alger | 75 | Transient non-community | Groundwater |
| 32 | Usnps - 12 Mile East | Alger | 75 | Transient non-community | Groundwater |
| 33 | Bear Trap Inn | Alger | 75 | Transient non-community | Groundwater |
| 34 | Usnps - Miners Castle | Alger | 75 | Transient non-community | Groundwater |
| 35 | Usnps - Little Beaver | Alger | 75 | Transient non-community | Groundwater |
| 36 | Autrain-Onota Public School | Alger | 63 | Non-transient non-community | Groundwater |
| 37 | Foggy'S Bar | Alger | 50 | Transient non-community | Groundwater |
| 38 | Joeida Campground | Alger | 50 | Transient non-community | Groundwater |
| 39 | Midway General Store | Alger | 50 | Transient non-community | Groundwater |
| 40 | Usnps - 12 Mile West | Alger | 50 | Transient non-community | Groundwater |
| 41 | Usfs - Bay Furnace Campground | Alger | 50 | Transient non-community | Groundwater |
| 42 | Usfs - Widewaters Campground Well House | Alger | 50 | Transient non-community | Groundwater |
| 43 | Miners Falls Mini Golf | Alger | 50 | Transient non-community | Groundwater |
| 44 | Boarders Inn & Suites | Alger | 50 | Transient non-community | Groundwater |
| 45 | Pictured Rocks Trading Company | Alger | 50 | Transient non-community | Groundwater |
| 46 | Dnr-Forest Lake Cg | Alger | 50 | Transient non-community | Groundwater |
| 47 | Hillcrest Motel | Alger | 45 | Transient non-community | Groundwater |
| 48 | Munising Seventh-Day Adventist Church | Alger | 40 | Transient non-community | Groundwater |
| 49 | Dana`S Lakeside Resort | Alger | 40 | Transient non-community | Groundwater |
| 50 | Yule Log Resort | Alger | 38 | Transient non-community | Groundwater |
All other water systems in Alger County (35)
The remaining active systems filed under Alger County, largest first, with the population each reports serving.
- Northwoods Outpost37
- Joeida Campground35
- Dnr-Laughing Whitefish Falls Park35
- Fort Superior Campground - Upper35
- Hilltop Cabins LLC34
- Bay Lakes Council - Ranger Cabin30
- Bay Lakes Council - Family Side30
- Superior Times Resort30
- Catchin Crickets Campground & Cabins30
- Fort Superior Campground - Lower30
- Riverside Condominiums27
- White Fawn Lodge - Comm Building/Motel26
- White Fawn Lodge - Cabins 22/2326
- Rock River Beach25
- Bay Lakes Council - Camp Side25
- Usfs - Island Lake Campground25
- Usnps - Ausable Light Station25
- Usfs - Grand Island - Farrell Cottage25
- Usfs - Grand Island - Juniper Flats25
- Timber Products Co. - Office25
- Alger Falls Motel25
- Timber Products Co. - Veneermill25
- Timber Products Co. - Sawmill25
- Usfs - Grand Island - Murray Bay25
- Usfs - Grand Island - Williams Landing25
- North Star Hotel - Pictured Rocks25
- Paddlers Village25
- Bp - Trenary Mini Mart25
- Paddler'S Inn25
- Autrain Community Center25
- Timber Ridge Motel25
- Northwoods Resort-Office/Lodge/11/12/1525
- Northwoods Resort-Cabins1-6/8/9; Laundry25
- Otter Lake Campground25
- Brownstone Inn25
Alger County water systems: frequently asked questions
How many public water systems are in Alger County, Michigan?
EPA's SDWIS records file 85 active public water systems under Alger County, Michigan: 5 community systems (5.9%), 5 non-transient non-community systems (5.9%) and 75 transient non-community systems (88%).
Who supplies drinking water in Alger County, MI?
The largest community water systems filed under Alger County are Munising (2,783 people served), Munising Industrial Park (465 people served) and Burt Township (411 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 Alger County's drinking water come from groundwater or surface water?
Of the 85 active public water systems in Alger County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Munising, uses groundwater.
Where can I find a water quality report for Alger 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. 5 community systems are filed under Alger 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 Alger 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
- All Michigan public water systems· 10,599 active
- Hillsdale County· 90 systems
- Manistee County· 89 systems
- Marquette County· 89 systems
- Clinton County· 87 systems
- Gladwin County· 84 systems
- Monroe County· 83 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
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 Alger County, Michigan”, https://aquacensus.com/water-systems/michigan/alger (data as of October 1, 2026).