Public water system · MI2039978
ActiveCulligan of Owosso
At a glance
Culligan of Owosso (PWSID MI2039978) is an active transient non-community water system in Shiawassee County, Michigan. It reports serving 30 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
30
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Culligan of Owosso compare with other water systems in Shiawassee County?
By EPA's size categories, Culligan of Owosso 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 Culligan of Owosso 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 Culligan of Owosso?
EPA lists Culligan of Owosso 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 Culligan of Owosso have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2024. The violations listed here began between October 2023 and January 2024. By type: 1 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Nitrate and Revised Total Coliform Rule. EPA lists 2 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 |
|---|---|---|---|---|
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2023-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
All 2 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.
Culligan of Owosso: frequently asked questions
Who runs Culligan of Owosso?
Culligan of Owosso (PWSID MI2039978) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Culligan of Owosso serve?
Culligan of Owosso reports serving 30 people through 1 service connection in Shiawassee County, Michigan.
Where does Culligan of Owosso 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 Culligan of Owosso have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2024. 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 Culligan of Owosso'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 2 violations for this system; none is health-based, and the most recent began in January 2024. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Culligan of Owosso's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Culligan of Owosso 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, “Culligan of Owosso, PWSID MI2039978, Michigan”, https://aquacensus.com/water-systems/michigan/culligan-of-owosso-mi2039978 (data as of October 1, 2026).