Public water system · MI0040166
ActiveKey Court Mobile Home Park
At a glance
Key Court Mobile Home Park (PWSID MI0040166) is an active community water system in Gladwin County, Michigan. It reports serving 55 people through 32 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 4 are health-based, and the most recent began in September 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
55
Service connections
32
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Key Court Mobile Home Park compare with other water systems in Gladwin County?
By EPA's size categories, Key Court Mobile Home Park is a very small system (500 people or fewer). Gladwin County has 84 active public water systems. Its population served is about 62% below the county average of 145 people per system, and accounts for 0.5% of the 12,188 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 Key Court Mobile Home Park 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. 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 Key Court Mobile Home Park?
EPA lists Key Court Mobile Home Park 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. 76 of the 84 active systems in Gladwin County (90%) are also privately owned.
Does Key Court Mobile Home Park have drinking water violations?
EPA's records list 7 violations for this system; 4 are health-based, and the most recent began in September 2019. The violations listed here began between July 1997 and September 2019. By type: 4 contaminant level above the legal limit, 2 monitoring and reporting and 1 reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2019-09-11 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-09-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2014-07-02 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2014-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2011-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1999-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1997-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 7 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.
Key Court Mobile Home Park: frequently asked questions
Who runs Key Court Mobile Home Park?
Key Court Mobile Home Park (PWSID MI0040166) is a community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Key Court Mobile Home Park serve?
Key Court Mobile Home Park reports serving 55 people through 32 service connections in Gladwin County, Michigan.
Where does Key Court Mobile Home Park 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 Key Court Mobile Home Park have any drinking water violations?
EPA's records list 7 violations for this system; 4 are health-based, and the most recent began in September 2019. 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 Key Court Mobile Home Park'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 7 violations for this system; 4 are health-based, and the most recent began in September 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.
Where can I find Key Court Mobile Home Park's water quality report?
As a community water system, Key Court Mobile Home Park 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 Gladwin County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Gladwin, City of | Gladwin | 2,933 | Community | Groundwater |
| Beaverton | Gladwin | 1,170 | Community | Groundwater |
| Taylors Lost Haven Campground | Gladwin | 400 | Transient non-community | Groundwater |
| Sage Twp Hall | Gladwin | 280 | Transient non-community | Groundwater |
| Tobacco River Campground, Inc.. | Gladwin | 260 | Transient non-community | Groundwater |
| Pleasant Beach Mobile Home Resort | Gladwin | 250 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Key Court Mobile Home Park, PWSID MI0040166, Michigan”, https://aquacensus.com/water-systems/michigan/key-court-mobile-home-park-mi0040166 (data as of October 1, 2026).