Public water system · WI4150391
ActiveDoor Co Trolley
At a glance
Door Co Trolley (PWSID WI4150391) is an active transient non-community water system in Door County, Wisconsin. It reports serving 25 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
25
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Door Co Trolley compare with other water systems in Door County?
By EPA's size categories, Door Co Trolley is a very small system (500 people or fewer). Door County has 451 active public water systems. Its population served is well below the county average of 77 people per system, and accounts for less than 0.1% of the 34,679 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Door Co Trolley 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. Wisconsin has 9,112 active transient non-community water systems, 82% of the state's 11,056 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,978 Wisconsin systems (99%) list groundwater as their primary source.
Who owns and regulates Door Co Trolley?
EPA lists Door Co Trolley as privately owned. The WI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 377 of the 451 active systems in Door County (84%) are also privately owned.
Does Door Co Trolley 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 Door Co Trolley. For the latest compliance status, check EPA ECHO for current compliance history.
Door Co Trolley: frequently asked questions
Who runs Door Co Trolley?
Door Co Trolley (PWSID WI4150391) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Door Co Trolley serve?
Door Co Trolley reports serving 25 people through 1 service connection in Door County, Wisconsin.
Where does Door Co Trolley 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 Door Co Trolley have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Door Co Trolley'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 WI state drinking water program.
Where can I find Door Co Trolley's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Door Co Trolley 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 Door County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Sturgeon Bay Waterworks | Door | 9,700 | Community | Groundwater |
| Southern Door Sch Dist | Door | 1,350 | Non-transient non-community | Groundwater |
| Sister Bay Waterworks | Door | 1,000 | Community | Groundwater |
| Sevastopol High Sch | Door | 715 | Non-transient non-community | Groundwater |
| Gibraltar High School | Door | 695 | Non-transient non-community | Groundwater |
| Loft | Door | 308 | 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, “Door Co Trolley, PWSID WI4150391, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/door-co-trolley-wi4150391 (data as of October 1, 2026).