Public water system · MN5090315
ActiveKnife Island Campground - Showerhouse
At a glance
Knife Island Campground - Showerhouse (PWSID MN5090315) is an active transient non-community water system in Carlton County, Minnesota. It reports serving 25 people through 3 service connections. Its primary water source is groundwater under influence of surface water, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in April 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
3
Primary source
GU
Groundwater under influence of surface water
System type
TNCWS
Transient non-community water system
System record
How does Knife Island Campground - Showerhouse compare with other water systems in Carlton County?
By EPA's size categories, Knife Island Campground - Showerhouse is a very small system (500 people or fewer). Carlton County has 75 active public water systems. Its population served is well below the county average of 317 people per system, and accounts for 0.1% of the 23,773 people reported by systems filed under the county. Across Minnesota, the 6,465 active systems average 820 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Knife Island Campground - Showerhouse 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. Minnesota has 5,008 active transient non-community water systems, 77% of the state's 6,465 active systems. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules. 17 Minnesota systems (0.3%) list groundwater under influence of surface water as their primary source.
Who owns and regulates Knife Island Campground - Showerhouse?
EPA lists Knife Island Campground - Showerhouse as privately owned. The MN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 62 of the 75 active systems in Carlton County (83%) are also privately owned.
Does Knife Island Campground - Showerhouse have drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in April 2025. The violations listed here began between May 2024 and April 2025. By type: 2 public notice, recordkeeping or other, 1 monitoring, 1 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Public Notice (2 of them). EPA lists 3 as resolved and 2 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-09-11 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2024-07-27 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2024-06-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2024-05-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
All 5 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.
Knife Island Campground - Showerhouse: frequently asked questions
Who runs Knife Island Campground - Showerhouse?
Knife Island Campground - Showerhouse (PWSID MN5090315) is a transient non-community water system privately owned. It is regulated by the MN state drinking water program.
How many people does Knife Island Campground - Showerhouse serve?
Knife Island Campground - Showerhouse reports serving 25 people through 3 service connections in Carlton County, Minnesota.
Where does Knife Island Campground - Showerhouse get its water?
EPA SDWIS lists this system's primary water source as groundwater under influence of surface water. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules.
Does Knife Island Campground - Showerhouse have any drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in April 2025. 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 Knife Island Campground - Showerhouse'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 5 violations for this system; 1 is health-based, and the most recent began in April 2025. For current results, consult EPA ECHO, or the MN state drinking water program.
Where can I find Knife Island Campground - Showerhouse's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Knife Island Campground - Showerhouse 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 Carlton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Cloquet | Carlton | 12,864 | Community | Groundwater |
| Moose Lake | Carlton | 1,782 | Community | Groundwater |
| Esko Public School, Isd #99 | Carlton | 1,200 | Non-transient non-community | Groundwater |
| Carlton | Carlton | 1,146 | Community | Groundwater |
| Scanlon | Carlton | 1,003 | Community | Purchased groundwater |
| Mn Correctional Facility - Moose Lake | Carlton | 975 | 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, “Knife Island Campground - Showerhouse, PWSID MN5090315, Minnesota”, https://aquacensus.com/water-systems/minnesota/knife-island-campground-showerhouse-mn5090315 (data as of October 1, 2026).