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Public water system · MI2003635

Active

Iosco County Road Commission

At a glance

Iosco County Road Commission (PWSID MI2003635) is an active transient non-community water system in Iosco County, Michigan. It reports serving 35 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in July 1995.

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

Population served

35

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMI2003635
System typeTransient non-community water system
Activity statusActive
Population served35
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountyIosco County

How does Iosco County Road Commission compare with other water systems in Iosco County?

By EPA's size categories, Iosco County Road Commission is a very small system (500 people or fewer). Iosco County has 81 active public water systems. Its population served is well below the county average of 294 people per system, and accounts for 0.1% of the 23,789 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Iosco County Road Commission is well below that figure.

What does “transient non-community water system” mean?

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. Michigan has 7,865 active transient non-community water systems, 74% 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 Iosco County Road Commission?

EPA lists Iosco County Road Commission as privately owned. 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. 70 of the 81 active systems in Iosco County (86%) are also privately owned.

Does Iosco County Road Commission have drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in July 1995. By type: 1 monitoring and reporting. The contaminant or rule involved is Total coliform bacteria (TCR). 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
1995-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived

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.

Iosco County Road Commission: frequently asked questions

Who runs Iosco County Road Commission?

Iosco County Road Commission (PWSID MI2003635) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.

How many people does Iosco County Road Commission serve?

Iosco County Road Commission reports serving 35 people through 1 service connection in Iosco County, Michigan.

Where does Iosco County Road Commission 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 Iosco County Road Commission 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 July 1995. 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 Iosco County Road Commission'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 July 1995. For current results, consult EPA ECHO, or the MI state drinking water program.

Where can I find Iosco County Road Commission's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Iosco County Road Commission is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Iosco County

Water systemCountyPopulation servedTypeSource
Oscoda TownshipIosco6,997CommunityPurchased surface water
East Tawas, City ofIosco2,663CommunityPurchased surface water
Au Sable TownshipIosco2,370CommunityPurchased surface water
Old Orchard Park CampgroundIosco2,000Transient non-communityGroundwater
Tawas City, City ofIosco1,834CommunityPurchased surface water
Whittemore/Prescott School ComplexIosco860Non-transient 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, “Iosco County Road Commission, PWSID MI2003635, Michigan”, https://aquacensus.com/water-systems/michigan/iosco-county-road-commission-mi2003635 (data as of October 1, 2026).