Public water system · MN5360068
ActiveRainy Lake Oil
At a glance
Rainy Lake Oil (PWSID MN5360068) is an active transient non-community water system in Koochiching County, Minnesota. It reports serving 25 people through 1 service connection. Its primary water source is purchased surface water, 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
1
Primary source
SWP
Purchased surface water
System type
TNCWS
Transient non-community water system
System record
How does Rainy Lake Oil compare with other water systems in Koochiching County?
By EPA's size categories, Rainy Lake Oil is a very small system (500 people or fewer). Koochiching County has 33 active public water systems. Its population served is well below the county average of 286 people per system, and accounts for 0.3% of the 9,442 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 Rainy Lake Oil 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 37 Minnesota systems (0.6%) list purchased surface water as their primary source.
Who owns and regulates Rainy Lake Oil?
EPA lists Rainy Lake Oil 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. 22 of the 33 active systems in Koochiching County (67%) are also privately owned.
Does Rainy Lake Oil 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 Rainy Lake Oil. For the latest compliance status, check EPA ECHO for current compliance history.
Rainy Lake Oil: frequently asked questions
Who runs Rainy Lake Oil?
Rainy Lake Oil (PWSID MN5360068) is a transient non-community water system privately owned. It is regulated by the MN state drinking water program.
How many people does Rainy Lake Oil serve?
Rainy Lake Oil reports serving 25 people through 1 service connection in Koochiching County, Minnesota.
Where does Rainy Lake Oil get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Rainy Lake Oil have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Rainy Lake Oil'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 Rainy Lake Oil's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Rainy Lake Oil 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 Koochiching County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| International Falls | Koochiching | 5,637 | Community | Surface water |
| Ranier | Koochiching | 565 | Community | Purchased surface water |
| Littlefork | Koochiching | 542 | Community | Groundwater |
| Y Knot Quick Stop | Koochiching | 500 | Transient non-community | Groundwater |
| Sha Sha Resort | Koochiching | 300 | Transient non-community | Surface water |
| Rainy Lake Houseboats | Koochiching | 200 | 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, “Rainy Lake Oil, PWSID MN5360068, Minnesota”, https://aquacensus.com/water-systems/minnesota/rainy-lake-oil-mn5360068 (data as of October 1, 2026).