Public water system · MI0000322
ActiveAustin Commons Ii
At a glance
Austin Commons Ii (PWSID MI0000322) is an active community water system in Washtenaw County, Michigan. It reports serving 280 people through 44 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in November 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
280
Service connections
44
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Austin Commons Ii compare with other water systems in Washtenaw County?
By EPA's size categories, Austin Commons Ii is a very small system (500 people or fewer). Washtenaw County has 262 active public water systems. Its population served is well below the county average of 1,147 people per system, and accounts for less than 0.1% of the 300,406 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 Austin Commons Ii 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 Austin Commons Ii?
EPA lists Austin Commons Ii 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. 229 of the 262 active systems in Washtenaw County (87%) are also privately owned.
Does Austin Commons Ii have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in November 2025. The violations listed here began between July 2012 and November 2025. By type: 1 monitoring and 1 public notice, recordkeeping or other. The contaminants or rules involved are Revised Total Coliform Rule and Consumer Confidence Rule. EPA lists 2 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 |
|---|---|---|---|---|
| 2025-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2012-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
All 2 violations in EPA's records, newest first.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.
Austin Commons Ii: frequently asked questions
Who runs Austin Commons Ii?
Austin Commons Ii (PWSID MI0000322) is a community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Austin Commons Ii serve?
Austin Commons Ii reports serving 280 people through 44 service connections in Washtenaw County, Michigan.
Where does Austin Commons Ii 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 Austin Commons Ii have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in November 2025. 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 Austin Commons Ii'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 2 violations for this system; none is health-based, and the most recent began in November 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.
Where can I find Austin Commons Ii's water quality report?
As a community water system, Austin Commons Ii 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 Washtenaw County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ann Arbor | Washtenaw | 123,851 | Community | Surface water |
| Ypsilanti Community Utility Authority | Washtenaw | 53,988 | Community | Purchased surface water |
| Pittsfield Township | Washtenaw | 24,500 | Community | Purchased surface water |
| Saline | Washtenaw | 9,158 | Community | Groundwater |
| Scio Township | Washtenaw | 8,500 | Community | Purchased surface water |
| Milan | Washtenaw | 7,363 | 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, “Austin Commons Ii, PWSID MI0000322, Michigan”, https://aquacensus.com/water-systems/michigan/austin-commons-ii-mi0000322 (data as of October 1, 2026).