Public water system · MI2011157
ActiveTimber Wolf Lake
At a glance
Timber Wolf Lake (PWSID MI2011157) is an active transient non-community water system in Missaukee County, Michigan. It reports serving 650 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; none is health-based, and the most recent began in September 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
650
Service connections
3
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Timber Wolf Lake compare with other water systems in Missaukee County?
By EPA's size categories, Timber Wolf Lake is a small system (501 to 3,300 people). Missaukee County has 51 active public water systems, and Timber Wolf Lake is the 2nd-largest of them by population served. Its population served is about 4.7 times the county average of 139 people per system, and accounts for 9.2% of the 7,094 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 Timber Wolf Lake is about 4.5 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 Timber Wolf Lake?
EPA lists Timber Wolf Lake 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. 47 of the 51 active systems in Missaukee County (92%) are also privately owned.
Does Timber Wolf Lake have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in September 2020. The violations listed here began between January 2011 and September 2020. By type: 6 monitoring and 2 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (6 of them). EPA lists 8 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 |
|---|---|---|---|---|
| 2020-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2017-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 8 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.
Timber Wolf Lake: frequently asked questions
Who runs Timber Wolf Lake?
Timber Wolf Lake (PWSID MI2011157) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Timber Wolf Lake serve?
Timber Wolf Lake reports serving 650 people through 3 service connections in Missaukee County, Michigan.
Where does Timber Wolf Lake 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 Timber Wolf Lake have any drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in September 2020. 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 Timber Wolf Lake'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 8 violations for this system; none is health-based, and the most recent began in September 2020. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Timber Wolf Lake's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Timber Wolf Lake 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 Missaukee County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lake City, City of | Missaukee | 836 | Community | Groundwater |
| Mcbain, City of | Missaukee | 640 | Community | Groundwater |
| A and L Trading Post | Missaukee | 400 | Transient non-community | Groundwater |
| Lake City Christian Reform Chr | Missaukee | 300 | Transient non-community | Groundwater |
| Prosper Christian Reformed Ch | Missaukee | 275 | Transient non-community | Groundwater |
| Duanes Family Restaurant | Missaukee | 225 | 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, “Timber Wolf Lake, PWSID MI2011157, Michigan”, https://aquacensus.com/water-systems/michigan/timber-wolf-lake-mi2011157 (data as of October 1, 2026).