Public water system · WI7440594
ActiveMadeline Lake Resort Lower Trailer
At a glance
Madeline Lake Resort Lower Trailer (PWSID WI7440594) is an active transient non-community water system in Oneida County, Wisconsin. It reports serving 50 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
50
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Madeline Lake Resort Lower Trailer compare with other water systems in Oneida County?
By EPA's size categories, Madeline Lake Resort Lower Trailer is a very small system (500 people or fewer). Oneida County has 345 active public water systems. Its population served is about 57% below the county average of 117 people per system, and accounts for 0.1% of the 40,498 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 Madeline Lake Resort Lower Trailer is about 65% 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 Madeline Lake Resort Lower Trailer?
EPA lists Madeline Lake Resort Lower Trailer 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. 299 of the 345 active systems in Oneida County (87%) are also privately owned.
Does Madeline Lake Resort Lower Trailer 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 Madeline Lake Resort Lower Trailer. For the latest compliance status, check EPA ECHO for current compliance history.
Madeline Lake Resort Lower Trailer: frequently asked questions
Who runs Madeline Lake Resort Lower Trailer?
Madeline Lake Resort Lower Trailer (PWSID WI7440594) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Madeline Lake Resort Lower Trailer serve?
Madeline Lake Resort Lower Trailer reports serving 50 people through 1 service connection in Oneida County, Wisconsin.
Where does Madeline Lake Resort Lower Trailer 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 Madeline Lake Resort Lower Trailer have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Madeline Lake Resort Lower Trailer'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 Madeline Lake Resort Lower Trailer's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Madeline Lake Resort Lower Trailer 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 Oneida County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Rhinelander Water & Wastewater | Oneida | 8,234 | Community | Groundwater |
| Lakeland Sanitary Dist 1 | Oneida | 2,381 | Community | Groundwater |
| Minocqua Hazelhurst Elem Sch | Oneida | 650 | Non-transient non-community | Groundwater |
| Three Lakes Sanitary District | Oneida | 500 | Community | Groundwater |
| Scouting America Camp Tesomas Program Center and Dining Hall | Oneida | 500 | Transient non-community | Groundwater |
| Wi Dnr Clear Lk Cmpgd 10 | Oneida | 450 | 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, “Madeline Lake Resort Lower Trailer, PWSID WI7440594, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/madeline-lake-resort-lower-trailer-wi7440594 (data as of October 1, 2026).