Public water system · MN5010368
ActiveCastaway'S
At a glance
Castaway'S (PWSID MN5010368) is an active transient non-community water system in Aitkin County, Minnesota. It reports serving 60 people through 99 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; all are health-based, and the most recent began in August 2008.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
60
Service connections
99
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Castaway'S compare with other water systems in Aitkin County?
By EPA's size categories, Castaway'S is a very small system (500 people or fewer). Aitkin County has 121 active public water systems. Its population served is about 38% below the county average of 97 people per system, and accounts for 0.5% of the 11,764 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 Castaway'S is about 58% 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 Castaway'S?
EPA lists Castaway'S 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. 110 of the 121 active systems in Aitkin County (91%) are also privately owned.
Does Castaway'S have drinking water violations?
EPA's records list 3 violations for this system; all are health-based, and the most recent began in August 2008. The violations listed here began between January 1995 and August 2008. By type: 3 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2008-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2004-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1995-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 3 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.
Castaway'S: frequently asked questions
Who runs Castaway'S?
Castaway'S (PWSID MN5010368) is a transient non-community water system privately owned. It is regulated by the MN state drinking water program.
How many people does Castaway'S serve?
Castaway'S reports serving 60 people through 99 service connections in Aitkin County, Minnesota.
Where does Castaway'S 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 Castaway'S have any drinking water violations?
EPA's records list 3 violations for this system; all are health-based, and the most recent began in August 2008. 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 Castaway'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 3 violations for this system; all are health-based, and the most recent began in August 2008. For current results, consult EPA ECHO, or the MN state drinking water program.
Where can I find Castaway'S' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Castaway'S 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 Aitkin County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Aitkin | Aitkin | 2,165 | Community | Groundwater |
| Sherwood Forest | Aitkin | 800 | Transient non-community | Groundwater |
| Hill City | Aitkin | 633 | Community | Groundwater |
| Mcgregor | Aitkin | 394 | Community | Groundwater |
| Covenant Pines Bible Camp | Aitkin | 250 | Transient non-community | Groundwater |
| Church of Jesus Christ Latter-Day Saints | Aitkin | 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, “Castaway'S, PWSID MN5010368, Minnesota”, https://aquacensus.com/water-systems/minnesota/castaway-s-mn5010368 (data as of October 1, 2026).