Public water system · MN5440120
ActiveSubway
At a glance
Subway (PWSID MN5440120) is an active transient non-community water system in Mahnomen County, Minnesota. It reports serving 500 people through 1 service connection. 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
500
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Subway compare with other water systems in Mahnomen County?
By EPA's size categories, Subway is a very small system (500 people or fewer). Mahnomen County has 18 active public water systems, and Subway is the 2nd-largest of them by population served. Its population served is about 168% above the county average of 187 people per system, and accounts for 15% of the 3,365 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 Subway is about 3.5 times 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 Subway?
EPA lists Subway 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. 14 of the 18 active systems in Mahnomen County (78%) are also privately owned.
Does Subway 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 Subway. For the latest compliance status, check EPA ECHO for current compliance history.
Subway: frequently asked questions
Who runs Subway?
Subway (PWSID MN5440120) is a transient non-community water system privately owned. It is regulated by the MN state drinking water program.
How many people does Subway serve?
Subway reports serving 500 people through 1 service connection in Mahnomen County, Minnesota.
Where does Subway 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 Subway have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Subway'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 Subway's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Subway 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 Mahnomen County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mahnomen | Mahnomen | 1,217 | Community | Groundwater |
| Waubun | Mahnomen | 404 | Community | Groundwater |
| Pinehurst Resort and Lodge | Mahnomen | 260 | Transient non-community | Groundwater |
| Elk Horn Resort and Camground | Mahnomen | 200 | Transient non-community | Groundwater |
| Farmers Union Oil Pump 24 | Mahnomen | 120 | Transient non-community | Groundwater |
| Circle'S of Faith Church | Mahnomen | 90 | 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, “Subway, PWSID MN5440120, Minnesota”, https://aquacensus.com/water-systems/minnesota/subway-mn5440120 (data as of October 1, 2026).