Public water system · WI7641443
ActiveWi Dnr Crystal Lk Shower
At a glance
Wi Dnr Crystal Lk Shower (PWSID WI7641443) is an active transient non-community water system in Vilas County, Wisconsin. It reports serving 540 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 4 violations for this system; none is health-based, and the most recent began in April 1996.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
540
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Wi Dnr Crystal Lk Shower compare with other water systems in Vilas County?
By EPA's size categories, Wi Dnr Crystal Lk Shower is a small system (501 to 3,300 people). Vilas County has 460 active public water systems, and Wi Dnr Crystal Lk Shower is the 4th-largest of them by population served. Its population served is about 5.9 times the county average of 91 people per system, and accounts for 1.3% of the 42,009 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 Wi Dnr Crystal Lk Shower is about 3.8 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. 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 Wi Dnr Crystal Lk Shower?
EPA lists Wi Dnr Crystal Lk Shower as owned by a state government. 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. 57 of the 460 active systems in Vilas County (12%) are also owned by a state government.
Does Wi Dnr Crystal Lk Shower have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in April 1996. The violations listed here began between September 1994 and April 1996. By type: 4 monitoring and reporting. The contaminant or rule involved most often is Nitrite (2 of them). EPA lists 4 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1996-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 1995-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 1994-09-23 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1994-09-23 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 4 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Wi Dnr Crystal Lk Shower: frequently asked questions
Who runs Wi Dnr Crystal Lk Shower?
Wi Dnr Crystal Lk Shower (PWSID WI7641443) is a transient non-community water system owned by a state government. It is regulated by the WI state drinking water program.
How many people does Wi Dnr Crystal Lk Shower serve?
Wi Dnr Crystal Lk Shower reports serving 540 people through 1 service connection in Vilas County, Wisconsin.
Where does Wi Dnr Crystal Lk Shower 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 Wi Dnr Crystal Lk Shower have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in April 1996. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Wi Dnr Crystal Lk Shower'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 records list 4 violations for this system; none is health-based, and the most recent began in April 1996. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Wi Dnr Crystal Lk Shower's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Wi Dnr Crystal Lk Shower 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 Vilas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Eagle River Waterworks | Vilas | 1,530 | Community | Groundwater |
| Arbor Vitae Woodruff El Sch | Vilas | 575 | Non-transient non-community | Groundwater |
| Phelps Sanitary District | Vilas | 550 | Community | Groundwater |
| Land O Lakes Sanitary Dist | Vilas | 450 | Community | Groundwater |
| Camp Ramah Office | Vilas | 400 | Transient non-community | Groundwater |
| Camp Ramah Girls Well | Vilas | 400 | 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, “Wi Dnr Crystal Lk Shower, PWSID WI7641443, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/wi-dnr-crystal-lk-shower-wi7641443 (data as of October 1, 2026).