Public water system · MI2011337
ActiveColdwater Lake Park
At a glance
Coldwater Lake Park (PWSID MI2011337) is an active transient non-community water system in Isabella County, Michigan. It reports serving 200 people through 2 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
200
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Coldwater Lake Park compare with other water systems in Isabella County?
By EPA's size categories, Coldwater Lake Park is a very small system (500 people or fewer). Isabella County has 83 active public water systems. Its population served is about 66% below the county average of 581 people per system, and accounts for 0.4% of the 48,199 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 Coldwater Lake Park is about 39% 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 Coldwater Lake Park?
EPA lists Coldwater Lake Park 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. 78 of the 83 active systems in Isabella County (94%) are also privately owned.
Does Coldwater Lake Park 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 Coldwater Lake Park. For the latest compliance status, check EPA ECHO for current compliance history.
Coldwater Lake Park: frequently asked questions
Who runs Coldwater Lake Park?
Coldwater Lake Park (PWSID MI2011337) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Coldwater Lake Park serve?
Coldwater Lake Park reports serving 200 people through 2 service connections in Isabella County, Michigan.
Where does Coldwater Lake Park 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 Coldwater Lake Park have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Coldwater Lake Park'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 Coldwater Lake Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Coldwater Lake Park 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 Isabella County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mount Pleasant | Isabella | 21,688 | Community | Surface water |
| Union Township | Isabella | 12,927 | Community | Groundwater |
| Shepherd, Village of | Isabella | 1,515 | Community | Groundwater |
| Weidman Ez Mart | Isabella | 800 | Transient non-community | Groundwater |
| Beal City Public Schools | Isabella | 785 | Non-transient non-community | Groundwater |
| Outdoor Adventures- Mt Pleasant | Isabella | 640 | 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, “Coldwater Lake Park, PWSID MI2011337, Michigan”, https://aquacensus.com/water-systems/michigan/coldwater-lake-park-mi2011337 (data as of October 1, 2026).