Public water system · MI2064281
ActiveDnr-Waterloo Rec Area-Mill Lake Outdoor
At a glance
Dnr-Waterloo Rec Area-Mill Lake Outdoor (PWSID MI2064281) is an active transient non-community water system in Washtenaw County, Michigan. It reports serving 30 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
30
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Dnr-Waterloo Rec Area-Mill Lake Outdoor compare with other water systems in Washtenaw County?
By EPA's size categories, Dnr-Waterloo Rec Area-Mill Lake Outdoor 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 transient non-community water system reports serving 144 people, so Dnr-Waterloo Rec Area-Mill Lake Outdoor 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 Dnr-Waterloo Rec Area-Mill Lake Outdoor?
EPA lists Dnr-Waterloo Rec Area-Mill Lake Outdoor as owned by a state 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. 17 of the 262 active systems in Washtenaw County (6.5%) are also owned by a state government.
Does Dnr-Waterloo Rec Area-Mill Lake Outdoor have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Dnr-Waterloo Rec Area-Mill Lake Outdoor. For the latest compliance status, check EPA ECHO for current compliance history.
Dnr-Waterloo Rec Area-Mill Lake Outdoor: frequently asked questions
Who runs Dnr-Waterloo Rec Area-Mill Lake Outdoor?
Dnr-Waterloo Rec Area-Mill Lake Outdoor (PWSID MI2064281) is a transient non-community water system owned by a state government. It is regulated by the MI state drinking water program.
How many people does Dnr-Waterloo Rec Area-Mill Lake Outdoor serve?
Dnr-Waterloo Rec Area-Mill Lake Outdoor reports serving 30 people through 1 service connection in Washtenaw County, Michigan.
Where does Dnr-Waterloo Rec Area-Mill Lake Outdoor 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 Dnr-Waterloo Rec Area-Mill Lake Outdoor have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Dnr-Waterloo Rec Area-Mill Lake Outdoor'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Dnr-Waterloo Rec Area-Mill Lake Outdoor's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Dnr-Waterloo Rec Area-Mill Lake Outdoor 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 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, “Dnr-Waterloo Rec Area-Mill Lake Outdoor, PWSID MI2064281, Michigan”, https://aquacensus.com/water-systems/michigan/dnr-waterloo-rec-area-mill-lake-outdoor-mi2064281 (data as of October 1, 2026).