Public water system · WI4380008
ActiveMccaslin Mountain Cmpgd Site 209
At a glance
Mccaslin Mountain Cmpgd Site 209 (PWSID WI4380008) is an active transient non-community water system in Marinette 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 records list 2 violations for this system; 1 is health-based, and the most recent began in September 2008.
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 Mccaslin Mountain Cmpgd Site 209 compare with other water systems in Marinette County?
By EPA's size categories, Mccaslin Mountain Cmpgd Site 209 is a very small system (500 people or fewer). Marinette County has 191 active public water systems. Its population served is well below the county average of 141 people per system, and accounts for less than 0.1% of the 26,830 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 Mccaslin Mountain Cmpgd Site 209 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 Mccaslin Mountain Cmpgd Site 209?
EPA lists Mccaslin Mountain Cmpgd Site 209 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. 159 of the 191 active systems in Marinette County (83%) are also privately owned.
Does Mccaslin Mountain Cmpgd Site 209 have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in September 2008. The violations listed here began between September 2008 and September 2008. By type: 1 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminants or rules involved are Public Notice and Total coliform bacteria (TCR). EPA lists 2 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 |
|---|---|---|---|---|
| 2008-09-17 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2008-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 2 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.
Mccaslin Mountain Cmpgd Site 209: frequently asked questions
Who runs Mccaslin Mountain Cmpgd Site 209?
Mccaslin Mountain Cmpgd Site 209 (PWSID WI4380008) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Mccaslin Mountain Cmpgd Site 209 serve?
Mccaslin Mountain Cmpgd Site 209 reports serving 25 people through 1 service connection in Marinette County, Wisconsin.
Where does Mccaslin Mountain Cmpgd Site 209 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 Mccaslin Mountain Cmpgd Site 209 have any drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in September 2008. 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 Mccaslin Mountain Cmpgd Site 209'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 2 violations for this system; 1 is health-based, and the most recent began in September 2008. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Mccaslin Mountain Cmpgd Site 209's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mccaslin Mountain Cmpgd Site 209 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 Marinette County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Marinette Waterworks | Marinette | 10,968 | Community | Surface water |
| Peshtigo Waterworks | Marinette | 3,420 | Community | Groundwater |
| Niagara Waterworks | Marinette | 1,561 | Community | Groundwater |
| Crivitz Waterworks | Marinette | 1,026 | Community | Groundwater |
| Coleman Waterworks | Marinette | 727 | Community | Groundwater |
| Wausaukee Waterworks | Marinette | 585 | 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, “Mccaslin Mountain Cmpgd Site 209, PWSID WI4380008, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/mccaslin-mountain-cmpgd-site-209-wi4380008 (data as of October 1, 2026).