Public water system · MI2021449
ActiveDnr-Hog Island Point Cg
At a glance
Dnr-Hog Island Point Cg (PWSID MI2021449) is an active transient non-community water system in Mackinac County, Michigan. It reports serving 50 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Dnr-Hog Island Point Cg compare with other water systems in Mackinac County?
By EPA's size categories, Dnr-Hog Island Point Cg is a very small system (500 people or fewer). Mackinac County has 113 active public water systems. Its population served is about half of the county average of 110 people per system, and accounts for 0.4% of the 12,387 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Dnr-Hog Island Point Cg is about 65% 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. Michigan has 7,865 active transient non-community water systems, 74% of the state's 10,599 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,214 Michigan systems (96%) list groundwater as their primary source.
Who owns and regulates Dnr-Hog Island Point Cg?
EPA lists Dnr-Hog Island Point Cg as owned by a state government. 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. 10 of the 113 active systems in Mackinac County (8.8%) are also owned by a state government.
Does Dnr-Hog Island Point Cg have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2022. The violations listed here began between August 2009 and July 2022. By type: 9 monitoring and reporting, 2 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Nitrate (7 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2022-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2019-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2011-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2010-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2009-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
The 12 most recent 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.
Dnr-Hog Island Point Cg: frequently asked questions
Who runs Dnr-Hog Island Point Cg?
Dnr-Hog Island Point Cg (PWSID MI2021449) is a transient non-community water system owned by a state government. It is regulated by the MI state drinking water program.
How many people does Dnr-Hog Island Point Cg serve?
Dnr-Hog Island Point Cg reports serving 50 people through 2 service connections in Mackinac County, Michigan.
Where does Dnr-Hog Island Point Cg 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 Dnr-Hog Island Point Cg have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2022. 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 Dnr-Hog Island Point Cg'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. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2022. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Dnr-Hog Island Point Cg's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Dnr-Hog Island Point Cg 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 Mackinac County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| St. Ignace | Mackinac | 2,987 | Community | Surface water |
| Mackinac Island | Mackinac | 583 | Community | Surface water |
| Engadine School | Mackinac | 552 | Non-transient non-community | Groundwater |
| Les Cheneaux School | Mackinac | 336 | Non-transient non-community | Groundwater |
| Mdot - Gros Cap Park, P219 | Mackinac | 200 | Transient non-community | Groundwater |
| Hiawatha Sportmen'S Club-Grp 1 (7-16) | Mackinac | 200 | 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, “Dnr-Hog Island Point Cg, PWSID MI2021449, Michigan”, https://aquacensus.com/water-systems/michigan/dnr-hog-island-point-cg-mi2021449 (data as of October 1, 2026).