Public water system · WI4310348
ActiveBig Lake Cmpgd
At a glance
Big Lake Cmpgd (PWSID WI4310348) is an active transient non-community water system in Kewaunee 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 Big Lake Cmpgd compare with other water systems in Kewaunee County?
By EPA's size categories, Big Lake Cmpgd is a very small system (500 people or fewer). Kewaunee County has 72 active public water systems. Its population served is well below the county average of 169 people per system, and accounts for 0.4% of the 12,146 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 Big Lake Cmpgd 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 Big Lake Cmpgd?
EPA lists Big Lake Cmpgd 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. 60 of the 72 active systems in Kewaunee County (83%) are also privately owned.
Does Big Lake Cmpgd 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 Big Lake Cmpgd. For the latest compliance status, check EPA ECHO for current compliance history.
Big Lake Cmpgd: frequently asked questions
Who runs Big Lake Cmpgd?
Big Lake Cmpgd (PWSID WI4310348) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Big Lake Cmpgd serve?
Big Lake Cmpgd reports serving 50 people through 1 service connection in Kewaunee County, Wisconsin.
Where does Big Lake Cmpgd 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 Big Lake Cmpgd have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Big Lake Cmpgd'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 Big Lake Cmpgd's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Big Lake Cmpgd 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 Kewaunee County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Algoma Waterworks | Kewaunee | 3,219 | Community | Groundwater |
| Kewaunee Waterworks | Kewaunee | 2,848 | Community | Groundwater |
| Luxemburg Waterworks | Kewaunee | 2,737 | Community | Groundwater |
| Rendezvous Dance Hall | Kewaunee | 220 | Transient non-community | Groundwater |
| J & Ws Place | Kewaunee | 220 | Transient non-community | Groundwater |
| Kewaunee Solutions | Kewaunee | 206 | Non-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, “Big Lake Cmpgd, PWSID WI4310348, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/big-lake-cmpgd-wi4310348 (data as of October 1, 2026).