Public water system · MI0004820
ActiveNorthport Cottage Owners
At a glance
Northport Cottage Owners (PWSID MI0004820) is an active community water system in Leelanau County, Michigan. It reports serving 240 people through 102 service connections. Its primary water source is surface water, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
240
Service connections
102
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Northport Cottage Owners compare with other water systems in Leelanau County?
By EPA's size categories, Northport Cottage Owners is a very small system (500 people or fewer). Leelanau County has 137 active public water systems. Its population served is about 21% above the county average of 198 people per system, and accounts for 0.9% of the 27,116 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active community water system reports serving 6,703 people, so Northport Cottage Owners is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Michigan has 1,332 active community water systems, 13% of the state's 10,599 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 68 Michigan systems (0.6%) list surface water as their primary source.
Who owns and regulates Northport Cottage Owners?
EPA lists Northport Cottage Owners as privately owned. The MI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 129 of the 137 active systems in Leelanau County (94%) are also privately owned.
Does Northport Cottage Owners have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2021. The violations listed here began between January 2019 and October 2021. By type: 2 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Revised Total Coliform Rule, Total trihalomethanes (TTHM) and Haloacetic acids (HAA5). EPA lists 3 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 |
|---|---|---|---|---|
| 2021-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
All 3 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.
Northport Cottage Owners: frequently asked questions
Who runs Northport Cottage Owners?
Northport Cottage Owners (PWSID MI0004820) is a community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Northport Cottage Owners serve?
Northport Cottage Owners reports serving 240 people through 102 service connections in Leelanau County, Michigan.
Where does Northport Cottage Owners get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Northport Cottage Owners have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2021. 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 Northport Cottage Owners' 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 3 violations for this system; none is health-based, and the most recent began in October 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.
Where can I find Northport Cottage Owners' water quality report?
As a community water system, Northport Cottage Owners must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Leelanau County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Homestead/Crystal River Water Co | Leelanau | 1,365 | Community | Groundwater |
| West Side Community Church | Leelanau | 950 | Transient non-community | Groundwater |
| Suttons Bay, Village of | Leelanau | 874 | Community | Groundwater |
| Glen Lake Comm Schools | Leelanau | 809 | Non-transient non-community | Groundwater |
| The Cove | Leelanau | 800 | Transient non-community | Groundwater |
| Bunting'S Market | Leelanau | 800 | 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, “Northport Cottage Owners, PWSID MI0004820, Michigan”, https://aquacensus.com/water-systems/michigan/northport-cottage-owners-mi0004820 (data as of October 1, 2026).