Public water system · WI6480629
ActiveCrystal Cave
At a glance
Crystal Cave (PWSID WI6480629) is an active transient non-community water system in Pierce 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 Crystal Cave compare with other water systems in Pierce County?
By EPA's size categories, Crystal Cave is a very small system (500 people or fewer). Pierce County has 95 active public water systems. Its population served is well below the county average of 341 people per system, and accounts for less than 0.1% of the 32,378 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 Crystal Cave 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 Crystal Cave?
EPA lists Crystal Cave 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. 83 of the 95 active systems in Pierce County (87%) are also privately owned.
Does Crystal Cave 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 Crystal Cave. For the latest compliance status, check EPA ECHO for current compliance history.
Crystal Cave: frequently asked questions
Who runs Crystal Cave?
Crystal Cave (PWSID WI6480629) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Crystal Cave serve?
Crystal Cave reports serving 25 people through 1 service connection in Pierce County, Wisconsin.
Where does Crystal Cave 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 Crystal Cave have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Crystal Cave'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 Crystal Cave's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Crystal Cave 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 Pierce County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| River Falls Waterworks | Pierce | 16,000 | Community | Groundwater |
| Prescott Waterworks | Pierce | 4,258 | Community | Groundwater |
| Ellsworth Waterworks | Pierce | 3,304 | Community | Groundwater |
| Spring Valley Waterworks | Pierce | 1,409 | Community | Groundwater |
| Elmwood Waterworks | Pierce | 798 | Community | Groundwater |
| Belle Ame Vineyard | Pierce | 500 | Transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Crystal Cave, PWSID WI6480629, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/crystal-cave-wi6480629 (data as of October 1, 2026).