Public water system · MI2015210
ActiveGreystone Mansion
At a glance
Greystone Mansion (PWSID MI2015210) is an active transient non-community water system in Benzie County, Michigan. It reports serving 150 people through 1 service connection. Its primary water source is groundwater, 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 January 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
150
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Greystone Mansion compare with other water systems in Benzie County?
By EPA's size categories, Greystone Mansion is a very small system (500 people or fewer). Benzie County has 107 active public water systems. Its population served is about 33% below the county average of 223 people per system, and accounts for 0.6% of the 23,829 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 Greystone Mansion is roughly in line with 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 Greystone Mansion?
EPA lists Greystone Mansion 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. 92 of the 107 active systems in Benzie County (86%) are also privately owned.
Does Greystone Mansion have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2024. The violations listed here began between July 2007 and January 2024. By type: 2 monitoring and 1 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). 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 |
|---|---|---|---|---|
| 2024-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2007-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | 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.
Greystone Mansion: frequently asked questions
Who runs Greystone Mansion?
Greystone Mansion (PWSID MI2015210) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Greystone Mansion serve?
Greystone Mansion reports serving 150 people through 1 service connection in Benzie County, Michigan.
Where does Greystone Mansion 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 Greystone Mansion have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2024. 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 Greystone Mansion'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 3 violations for this system; none is health-based, and the most recent began in January 2024. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Greystone Mansion's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Greystone Mansion 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 Benzie County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Frankfort, City of | Benzie | 1,286 | Community | Groundwater |
| West Side Community Church - Youth Activ | Benzie | 950 | Transient non-community | Groundwater |
| Benzie High/Middle School - Alt Ed. Buil | Benzie | 800 | Non-transient non-community | Groundwater |
| Benzie High/Middle School | Benzie | 800 | Non-transient non-community | Groundwater |
| Almira Township Hall & Park | Benzie | 750 | Transient non-community | Groundwater |
| Turtle Lake Campground - 400 | Benzie | 700 | 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, “Greystone Mansion, PWSID MI2015210, Michigan”, https://aquacensus.com/water-systems/michigan/greystone-mansion-mi2015210 (data as of October 1, 2026).