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Ogemaw County, Michigan — public water systems

At a glance

117 active public water systems are filed under Ogemaw County, Michigan in EPA's SDWIS records, together reporting 19,734 people served. 7 are community water systems serving people where they live; the other 110 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

117

Population served

19.7K

Community systems

7

Groundwater share

100%

How does Ogemaw County compare with other Michigan counties?

Ogemaw County has the 33rd-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 19,734 people served in total, the 62nd-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 169 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 Ogemaw County's drinking water come from?

By primary water source, Ogemaw County's active systems draw on groundwater (117, 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.

What kinds of water systems operate in Ogemaw County?

Ogemaw County's active systems break down as 7 community systems (6%), 6 non-transient non-community systems (5.1%) and 104 transient non-community systems (89%). 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 (89%), state government (6.8%) and local government (4.3%).

Water systems in Ogemaw County

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No active systems found.

Ogemaw County water systems: frequently asked questions

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

EPA's SDWIS records file 117 active public water systems under Ogemaw County, Michigan: 7 community systems (6%), 6 non-transient non-community systems (5.1%) and 104 transient non-community systems (89%).

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

Of the 117 active public water systems in Ogemaw County, all draw mainly on groundwater and none on surface water, counting purchased supplies.

Where can I find a water quality report for Ogemaw 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. 7 community systems are filed under Ogemaw 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 Ogemaw 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 Ogemaw County, Michigan”, https://aquacensus.com/water-systems/michigan/ogemaw (data as of October 1, 2026).