Public water system · MI0040377
ActiveClarkston Lake Estates
At a glance
Clarkston Lake Estates (PWSID MI0040377) is an active community water system in Oakland County, Michigan. It reports serving 1,245 people through 498 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in January 2006.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,245
Service connections
498
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Clarkston Lake Estates compare with other water systems in Oakland County?
By EPA's size categories, Clarkston Lake Estates is a small system (501 to 3,300 people). Oakland County has 734 active public water systems. Its population served is about 20% below the county average of 1,561 people per system, and accounts for 0.1% of the 1,145,905 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 Clarkston Lake Estates 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 Clarkston Lake Estates?
EPA lists Clarkston Lake Estates 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. 638 of the 734 active systems in Oakland County (87%) are also privately owned.
Does Clarkston Lake Estates have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in January 2006. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Arsenic. EPA lists 1 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 |
|---|---|---|---|---|
| 2006-01-23 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
The one violation in EPA's records.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.
Clarkston Lake Estates: frequently asked questions
Who runs Clarkston Lake Estates?
Clarkston Lake Estates (PWSID MI0040377) is a community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Clarkston Lake Estates serve?
Clarkston Lake Estates reports serving 1,245 people through 498 service connections in Oakland County, Michigan.
Where does Clarkston Lake Estates 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 Clarkston Lake Estates have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in January 2006. 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 Clarkston Lake Estates' 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 one violation for this system; it is health-based, and the most recent began in January 2006. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.
Where can I find Clarkston Lake Estates' water quality report?
As a community water system, Clarkston Lake Estates 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 Oakland County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Troy | Oakland | 85,854 | Community | Purchased surface water |
| Rochester Hills | Oakland | 74,000 | Community | Purchased surface water |
| Waterford Township | Oakland | 73,441 | Community | Groundwater |
| Southfield | Oakland | 71,739 | Community | Purchased surface water |
| Pontiac | Oakland | 63,776 | Community | Purchased surface water |
| Royal Oak, City of | Oakland | 57,236 | Community | Purchased surface water |
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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, “Clarkston Lake Estates, PWSID MI0040377, Michigan”, https://aquacensus.com/water-systems/michigan/clarkston-lake-estates-mi0040377 (data as of October 1, 2026).