Public water system · MN5200138
ActiveOslo Sinclair
At a glance
Oslo Sinclair (PWSID MN5200138) is an active transient non-community water system in Dodge County, Minnesota. It reports serving 25 people through 3 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
25
Service connections
3
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Oslo Sinclair compare with other water systems in Dodge County?
By EPA's size categories, Oslo Sinclair is a very small system (500 people or fewer). Dodge County has 27 active public water systems. Its population served is well below the county average of 558 people per system, and accounts for 0.2% of the 15,055 people reported by systems filed under the county. Across Minnesota, the 6,465 active systems average 820 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Oslo Sinclair 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. Minnesota has 5,008 active transient non-community water systems, 77% of the state's 6,465 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,261 Minnesota systems (97%) list groundwater as their primary source.
Who owns and regulates Oslo Sinclair?
EPA lists Oslo Sinclair as privately owned. The MN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 19 of the 27 active systems in Dodge County (70%) are also privately owned.
Does Oslo Sinclair 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 Oslo Sinclair. For the latest compliance status, check EPA ECHO for current compliance history.
Oslo Sinclair: frequently asked questions
Who runs Oslo Sinclair?
Oslo Sinclair (PWSID MN5200138) is a transient non-community water system privately owned. It is regulated by the MN state drinking water program.
How many people does Oslo Sinclair serve?
Oslo Sinclair reports serving 25 people through 3 service connections in Dodge County, Minnesota.
Where does Oslo Sinclair 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 Oslo Sinclair have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Oslo Sinclair'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 MN state drinking water program.
Where can I find Oslo Sinclair's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Oslo Sinclair 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 Dodge County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Kasson | Dodge | 6,850 | Community | Groundwater |
| Dodge Center | Dodge | 2,939 | Community | Groundwater |
| Hayfield | Dodge | 1,363 | Community | Groundwater |
| Mantorville | Dodge | 1,197 | Community | Groundwater |
| Claremont | Dodge | 773 | Community | Groundwater |
| West Concord | Dodge | 773 | 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, “Oslo Sinclair, PWSID MN5200138, Minnesota”, https://aquacensus.com/water-systems/minnesota/oslo-sinclair-mn5200138 (data as of October 1, 2026).