Public water system · MI2007146
ActiveHidden Lake Gardens
At a glance
Hidden Lake Gardens (PWSID MI2007146) is an active transient non-community water system in Lenawee County, Michigan. It reports serving 100 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in January 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Hidden Lake Gardens compare with other water systems in Lenawee County?
By EPA's size categories, Hidden Lake Gardens is a very small system (500 people or fewer). Lenawee County has 182 active public water systems. Its population served is well below the county average of 437 people per system, and accounts for 0.1% of the 79,516 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 Lake Gardens is about 31% 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 Hidden Lake Gardens?
EPA lists Hidden Lake Gardens 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. 162 of the 182 active systems in Lenawee County (89%) are also privately owned.
Does Hidden Lake Gardens have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in January 2018. The violations listed here began between July 2002 and January 2018. By type: 2 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2002-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 3 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.
Hidden Lake Gardens: frequently asked questions
Who runs Hidden Lake Gardens?
Hidden Lake Gardens (PWSID MI2007146) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Hidden Lake Gardens serve?
Hidden Lake Gardens reports serving 100 people through 2 service connections in Lenawee County, Michigan.
Where does Hidden Lake Gardens 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 Lake Gardens have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in January 2018. 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 Hidden Lake Gardens' 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 3 violations for this system; 1 is health-based, and the most recent began in January 2018. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Hidden Lake Gardens' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Hidden Lake Gardens 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 Lenawee County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Adrian | Lenawee | 23,663 | Community | Surface water |
| Tecumseh | Lenawee | 8,521 | Community | Groundwater |
| The Groves of Michigan | Lenawee | 6,460 | Transient non-community | Groundwater |
| Madison Township | Lenawee | 3,480 | Community | Groundwater |
| Blissfield | Lenawee | 3,276 | Community | Surface water |
| Clinton | Lenawee | 2,336 | 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 Lake Gardens, PWSID MI2007146, Michigan”, https://aquacensus.com/water-systems/michigan/hidden-lake-gardens-mi2007146 (data as of October 1, 2026).