Public water system · MI2065281
ActiveHidden Lakes Campground
At a glance
Hidden Lakes Campground (PWSID MI2065281) is an active transient non-community water system in Washtenaw County, Michigan. It reports serving 250 people through 55 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
250
Service connections
55
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Hidden Lakes Campground compare with other water systems in Washtenaw County?
By EPA's size categories, Hidden Lakes Campground 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 Hidden Lakes Campground is about 74% above 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 Hidden Lakes Campground?
EPA lists Hidden Lakes Campground 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 Hidden Lakes Campground 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 Hidden Lakes Campground. For the latest compliance status, check EPA ECHO for current compliance history.
Hidden Lakes Campground: frequently asked questions
Who runs Hidden Lakes Campground?
Hidden Lakes Campground (PWSID MI2065281) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Hidden Lakes Campground serve?
Hidden Lakes Campground reports serving 250 people through 55 service connections in Washtenaw County, Michigan.
Where does Hidden Lakes Campground 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 Hidden Lakes Campground have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Hidden Lakes Campground'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 Hidden Lakes Campground's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Hidden Lakes Campground 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, “Hidden Lakes Campground, PWSID MI2065281, Michigan”, https://aquacensus.com/water-systems/michigan/hidden-lakes-campground-mi2065281 (data as of October 1, 2026).