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Ionia County, Michigan — public water systems

At a glance

123 active public water systems are filed under Ionia County, Michigan in EPA's SDWIS records, together reporting 46,250 people served. The largest is Ionia, which reports serving 11,708 people. 17 are community water systems serving people where they live; the other 106 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

123

Population served

46.3K

Community systems

17

Groundwater share

100%

How does Ionia County compare with other Michigan counties?

Ionia County has the 31st-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 46,250 people served in total, the 31st-largest county figure in the state and 0.5% of the statewide total. The average system here reports serving 376 people, about 56% 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 Ionia County's drinking water come from?

By primary water source, Ionia County's active systems draw on groundwater (123, 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, Ionia, draws primarily on groundwater.

What kinds of water systems operate in Ionia County?

Ionia County's active systems break down as 17 community systems (14%), 22 non-transient non-community systems (18%) and 84 transient non-community systems (68%). 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 (86%), state government (7.3%) and local government (6.5%).

The 50 largest water systems in Ionia County

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Active public water systems in Ionia County, Michigan
#Water systemCountyPopulation servedTypeSource
1IoniaIonia11,708CommunityGroundwater
2BeldingIonia5,769CommunityGroundwater
3PortlandIonia3,883CommunityGroundwater
4Lake OdessaIonia2,018CommunityGroundwater
51-9 Pilot LLCIonia1,522Transient non-communityGroundwater
6SaranacIonia1,343CommunityGroundwater
7Mdot - Saranac, R532Ionia1,001Transient non-communityGroundwater
8Forest Hills Club Inc.Ionia800Transient non-communityGroundwater
9LyonsIonia789CommunityGroundwater
10Dnr - Ionia Rec Area-Modern CabinsIonia720Transient non-communityGroundwater
11Admiral Petroleum #5882Ionia650Transient non-communityGroundwater
12MuirIonia604CommunityGroundwater
13Belding BiggbyIonia600Transient non-communityGroundwater
14PfcuIonia600Non-transient non-communityGroundwater
15Arby'S RestaurantIonia550Transient non-communityGroundwater
16Burger King #8648Ionia500Transient non-communityGroundwater
17Alice Springs CampgroundIonia500Transient non-communityGroundwater
18Shiloh Community ChurchIonia500Transient non-communityGroundwater
19Nuvu Fuels #1Ionia500Transient non-communityGroundwater
20PewamoIonia476CommunityGroundwater
21Outreach Christian ChurchIonia456Transient non-communityGroundwater
22Saranac SunocoIonia400Transient non-communityGroundwater
23Wagon Wheel BarIonia400Transient non-communityGroundwater
24Boyce ElementaryIonia370Non-transient non-communityGroundwater
25Sunset Ridge MhcIonia360CommunityGroundwater
26Canterbury Estates MHPIonia350CommunityGroundwater
27Dnr-Ionia State Rec Area-Modern CgIonia300Transient non-communityGroundwater
28Pathway-A Wesleyan ChurchIonia299Transient non-communityGroundwater
29Evergreen Mobile Home CommunityIonia272CommunityGroundwater
30St. Anthony'S ChurchIonia250Transient non-communityGroundwater
31Fabiano'S Corner LandingIonia250Transient non-communityGroundwater
32Cv MartIonia250Transient non-communityGroundwater
33Orleans PetroleumIonia250Transient non-communityGroundwater
34Oakwood Christian Reformed ChurchIonia200Transient non-communityGroundwater
35Levalley MethodestIonia200Transient non-communityGroundwater
36Clarksville Bible ChurchIonia200Transient non-communityGroundwater
37Sheri`S RestaurantIonia200Transient non-communityGroundwater
38Michigan Farm House PizzaIonia200Transient non-communityGroundwater
39Ionia GoodwillIonia200Transient non-communityGroundwater
40Shadow Ridge Golf ClubIonia200Transient non-communityGroundwater
41St. Mary'S Miriam Catholic ChurchIonia160Transient non-communityGroundwater
42Ventra AutomotiveIonia150Non-transient non-communityGroundwater
43Extruded Aluminum Corp - East WellIonia150Non-transient non-communityGroundwater
44Dave'S VendingIonia150Transient non-communityGroundwater
45Lakeside Resort CampgroundIonia150Transient non-communityGroundwater
46Smyrna Bible ChurchIonia150Transient non-communityGroundwater
47First Baptist Church of SebewaIonia140Transient non-communityGroundwater
48Faith Comm Christian SchoolIonia133Non-transient non-communityGroundwater
49Ashley Baptist ChurchIonia130Transient non-communityGroundwater
50Pine Haven Estates MhcIonia125CommunityGroundwater

All other water systems in Ionia County (73)

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

Ionia County water systems: frequently asked questions

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

EPA's SDWIS records file 123 active public water systems under Ionia County, Michigan: 17 community systems (14%), 22 non-transient non-community systems (18%) and 84 transient non-community systems (68%).

Who supplies drinking water in Ionia County, MI?

The largest community water systems filed under Ionia County are Ionia (11,708 people served), Belding (5,769 people served) and Portland (3,883 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 Ionia County's drinking water come from groundwater or surface water?

Of the 123 active public water systems in Ionia County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Ionia, uses groundwater.

Where can I find a water quality report for Ionia 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. 17 community systems are filed under Ionia 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 Ionia 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 Ionia County, Michigan”, https://aquacensus.com/water-systems/michigan/ionia (data as of October 1, 2026).