Public water system · MI0000285
ActiveAu Gres Township
At a glance
Au Gres Township (PWSID MI0000285) is an active community water system in Arenac County, Michigan. It reports serving 66 people through 41 service connections. Its primary water source is purchased surface water, 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 August 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
66
Service connections
41
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Au Gres Township compare with other water systems in Arenac County?
By EPA's size categories, Au Gres Township is a very small system (500 people or fewer). Arenac County has 65 active public water systems. Its population served is well below the county average of 317 people per system, and accounts for 0.3% of the 20,612 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 Au Gres 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 262 Michigan systems (2.5%) list purchased surface water as their primary source.
Who owns and regulates Au Gres Township?
EPA lists Au Gres 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. 9 of the 65 active systems in Arenac County (14%) are also owned by a local government.
Does Au Gres 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 August 2024. By type: 1 reporting. The contaminant or rule involved is Revised Total Coliform Rule. EPA lists 1 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-08-11 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
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.
Au Gres Township: frequently asked questions
Who runs Au Gres Township?
Au Gres Township (PWSID MI0000285) is a community water system owned by a local government. It is regulated by the MI state drinking water program.
How many people does Au Gres Township serve?
Au Gres Township reports serving 66 people through 41 service connections in Arenac County, Michigan.
Where does Au Gres Township get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Au Gres 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 August 2024. 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 Au Gres 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 August 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.
Where can I find Au Gres Township's water quality report?
As a community water system, Au Gres 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 Arenac County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Sims-Whitney Utilities Auth. | Arenac | 5,815 | Community | Purchased surface water |
| Standish, City of | Arenac | 1,509 | Community | Purchased surface water |
| Mdot - Alger Rest Area, R625 | Arenac | 1,000 | Transient non-community | Groundwater |
| Au Gres, City of | Arenac | 945 | Community | Purchased surface water |
| Standish-Sterling Central Elem | Arenac | 800 | Non-transient non-community | Groundwater |
| Whites Canoe Livery Well | Arenac | 660 | Transient non-community | Groundwater |
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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, “Au Gres Township, PWSID MI0000285, Michigan”, https://aquacensus.com/water-systems/michigan/au-gres-township-mi0000285 (data as of October 1, 2026).