Public water system · MI2035878
ActiveLarkin Family Medicine
At a glance
Larkin Family Medicine (PWSID MI2035878) is an active transient non-community water system in Shiawassee County, Michigan. It reports serving 35 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2006.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
35
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Larkin Family Medicine compare with other water systems in Shiawassee County?
By EPA's size categories, Larkin Family Medicine is a very small system (500 people or fewer). Shiawassee County has 126 active public water systems. Its population served is well below the county average of 340 people per system, and accounts for less than 0.1% of the 42,865 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 Larkin Family Medicine is well 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 Larkin Family Medicine?
EPA lists Larkin Family Medicine 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. 118 of the 126 active systems in Shiawassee County (94%) are also privately owned.
Does Larkin Family Medicine have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2006. By type: 1 monitoring and reporting. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 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 |
|---|---|---|---|---|
| 2006-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
The one violation in EPA's records. 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.
Larkin Family Medicine: frequently asked questions
Who runs Larkin Family Medicine?
Larkin Family Medicine (PWSID MI2035878) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Larkin Family Medicine serve?
Larkin Family Medicine reports serving 35 people through 1 service connection in Shiawassee County, Michigan.
Where does Larkin Family Medicine 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 Larkin Family Medicine have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2006. 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 Larkin Family Medicine'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 one violation for this system; it is not health-based, and the most recent began in July 2006. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Larkin Family Medicine's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Larkin Family Medicine 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 Shiawassee County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Owosso, City of | Shiawassee | 16,353 | Community | Surface water |
| Durand, City of | Shiawassee | 3,446 | Community | Groundwater |
| Perry, City of | Shiawassee | 2,065 | Community | Groundwater |
| Corunna, City of | Shiawassee | 2,028 | Community | Purchased groundwater |
| Mdot - Woodbury Rest Area | Shiawassee | 1,200 | Transient non-community | Groundwater |
| Leisure Lake Snack Bar | Shiawassee | 1,000 | 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, “Larkin Family Medicine, PWSID MI2035878, Michigan”, https://aquacensus.com/water-systems/michigan/larkin-family-medicine-mi2035878 (data as of October 1, 2026).