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Public water system · MI0003595

Active

Keego Harbor, City of

At a glance

City of Keego Harbor (PWSID MI0003595) is an active community water system in Oakland County, Michigan. It reports serving 2,740 people through 1,027 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in June 2005.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

2,740

Service connections

1,027

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDMI0003595
System typeCommunity water system
Activity statusActive
Population served2,740
Service connections1,027
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyMI state drinking water program
City servedKeego Harbor
StateMichigan
ZIP—
CountyOakland County

How does City of Keego Harbor compare with other water systems in Oakland County?

By EPA's size categories, City of Keego Harbor is a small system (501 to 3,300 people). Oakland County has 734 active public water systems. Its population served is about 76% above the county average of 1,561 people per system, and accounts for 0.2% 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 City of Keego Harbor is about 59% 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 262 Michigan systems (2.5%) list purchased surface water as their primary source.

Who owns and regulates City of Keego Harbor?

EPA lists City of Keego Harbor as owned by a local 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. 56 of the 734 active systems in Oakland County (7.6%) are also owned by a local government.

Does City of Keego Harbor have drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in June 2005. By type: 1 monitoring and reporting. The contaminant or rule involved is Total coliform bacteria (TCR). 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.

BeganViolationContaminant or ruleHealth-basedStatus
2005-06-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved

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.

City of Keego Harbor: frequently asked questions

Who runs City of Keego Harbor?

City of Keego Harbor (PWSID MI0003595) is a community water system owned by a local government. It is regulated by the MI state drinking water program.

How many people does City of Keego Harbor serve?

City of Keego Harbor reports serving 2,740 people through 1,027 service connections in Oakland County, Michigan.

Where does City of Keego Harbor get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does City of Keego Harbor have any drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in June 2005. 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 City of Keego Harbor'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 one violation for this system; it is not health-based, and the most recent began in June 2005. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.

Where can I find City of Keego Harbor's water quality report?

As a community water system, City of Keego Harbor 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 systemCountyPopulation servedTypeSource
TroyOakland85,854CommunityPurchased surface water
Rochester HillsOakland74,000CommunityPurchased surface water
Waterford TownshipOakland73,441CommunityGroundwater
SouthfieldOakland71,739CommunityPurchased surface water
PontiacOakland63,776CommunityPurchased surface water
Royal Oak, City ofOakland57,236CommunityPurchased 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, “Keego Harbor, City of, PWSID MI0003595, Michigan”, https://aquacensus.com/water-systems/michigan/keego-harbor-city-of-mi0003595 (data as of October 1, 2026).