Public water system · MI2008469
ActiveMdot - Loon Lake Rest Area, R405
At a glance
Mdot - Loon Lake Rest Area, R405 (PWSID MI2008469) is an active transient non-community water system in Otsego County, Michigan. It reports serving 1,001 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 6 violations for this system; none is health-based, and the most recent began in July 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,001
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Mdot - Loon Lake Rest Area, R405 compare with other water systems in Otsego County?
By EPA's size categories, Mdot - Loon Lake Rest Area, R405 is a small system (501 to 3,300 people). Otsego County has 119 active public water systems, and Mdot - Loon Lake Rest Area, R405 is the 2nd-largest of them by population served. Its population served is about 5.7 times the county average of 175 people per system, and accounts for 4.8% of the 20,844 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 Mdot - Loon Lake Rest Area, R405 is about 7 times 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 Mdot - Loon Lake Rest Area, R405?
EPA lists Mdot - Loon Lake Rest Area, R405 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. 14 of the 119 active systems in Otsego County (12%) are also owned by a state government.
Does Mdot - Loon Lake Rest Area, R405 have drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in July 2016. The violations listed here began between January 1995 and July 2016. By type: 5 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2016-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 1997-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1997-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1997-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1996-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 6 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.
Mdot - Loon Lake Rest Area, R405: frequently asked questions
Who runs Mdot - Loon Lake Rest Area, R405?
Mdot - Loon Lake Rest Area, R405 (PWSID MI2008469) 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 Mdot - Loon Lake Rest Area, R405 serve?
Mdot - Loon Lake Rest Area, R405 reports serving 1,001 people through 1 service connection in Otsego County, Michigan.
Where does Mdot - Loon Lake Rest Area, R405 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 Mdot - Loon Lake Rest Area, R405 have any drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in July 2016. 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 Mdot - Loon Lake Rest Area, R405'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 6 violations for this system; none is health-based, and the most recent began in July 2016. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Mdot - Loon Lake Rest Area, R405's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mdot - Loon Lake Rest Area, R405 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 Otsego County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Gaylord, City of | Otsego | 3,629 | Community | Groundwater |
| Gaylord Evangelical Free Church | Otsego | 900 | Transient non-community | Groundwater |
| Mdot - Vanderbilt Rest Area | Otsego | 866 | Transient non-community | Groundwater |
| Hilltop Marathon | Otsego | 809 | Transient non-community | Groundwater |
| Waters Ez Mart | Otsego | 600 | Transient non-community | Groundwater |
| Johannesburg-Lewiston High School | Otsego | 600 | Non-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, “Mdot - Loon Lake Rest Area, R405, PWSID MI2008469, Michigan”, https://aquacensus.com/water-systems/michigan/mdot-loon-lake-rest-area-r405-mi2008469 (data as of October 1, 2026).