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Public water system · MI0004935

Active

Ogemaw Township

At a glance

Ogemaw Township (PWSID MI0004935) is an active community water system in Ogemaw County, Michigan. It reports serving 125 people through 23 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in March 2026.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

125

Service connections

23

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMI0004935
System typeCommunity water system
Activity statusActive
Population served125
Service connections23
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountyOgemaw County

How does Ogemaw Township compare with other water systems in Ogemaw County?

By EPA's size categories, Ogemaw Township is a very small system (500 people or fewer). Ogemaw County has 117 active public water systems. Its population served is about 26% below the county average of 169 people per system, and accounts for 0.6% of the 19,734 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active community water system reports serving 6,703 people, so Ogemaw Township is well below that figure.

What does “community water system” mean?

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. Michigan has 1,332 active community water systems, 13% of the state's 10,599 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,214 Michigan systems (96%) list groundwater as their primary source.

Who owns and regulates Ogemaw Township?

EPA lists Ogemaw Township as owned by a local government. The MI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 5 of the 117 active systems in Ogemaw County (4.3%) are also owned by a local government.

Does Ogemaw Township have drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in March 2026. By type: 1 monitoring. The contaminant or rule involved is Revised Total Coliform Rule. EPA lists 1 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2026-03-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoArchived

The one violation in EPA's records.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Ogemaw Township: frequently asked questions

Who runs Ogemaw Township?

Ogemaw Township (PWSID MI0004935) is a community water system owned by a local government. It is regulated by the MI state drinking water program.

How many people does Ogemaw Township serve?

Ogemaw Township reports serving 125 people through 23 service connections in Ogemaw County, Michigan.

Where does Ogemaw Township get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Ogemaw Township have any drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in March 2026. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Ogemaw Township's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list one violation for this system; it is not health-based, and the most recent began in March 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.

Where can I find Ogemaw Township's water quality report?

As a community water system, Ogemaw Township must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Ogemaw County

Water systemCountyPopulation servedTypeSource
West Branch, City ofOgemaw2,139CommunityGroundwater
Mdot - West Branch-I-75, R433Ogemaw1,000Transient non-communityGroundwater
Rosati'S Marketplace No. 3 LLCOgemaw900Transient non-communityGroundwater
Forward Corporation #50Ogemaw700Non-transient non-communityGroundwater
Lost Valley Camp.Store/Res#1Ogemaw650Transient non-communityGroundwater
Lost Valley Camp.Pavil.#3Ogemaw650Transient non-communityGroundwater

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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, “Ogemaw Township, PWSID MI0004935, Michigan”, https://aquacensus.com/water-systems/michigan/ogemaw-township-mi0004935 (data as of October 1, 2026).