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AquaCensus

Public water system · MI0067020

Active

West Hickory Haven

At a glance

West Hickory Haven (PWSID MI0067020) is an active community water system in Oakland County, Michigan. It reports serving 100 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; 2 are health-based, and the most recent began in February 2026.

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

Population served

100

Service connections

1

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMI0067020
System typeCommunity water system
Activity statusActive
Population served100
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountyOakland County

How does West Hickory Haven compare with other water systems in Oakland County?

By EPA's size categories, West Hickory Haven is a very small system (500 people or fewer). Oakland County has 734 active public water systems. Its population served is well below the county average of 1,561 people per system, and accounts for less than 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 West Hickory Haven 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 West Hickory Haven?

EPA lists West Hickory Haven 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 West Hickory Haven have drinking water violations?

EPA's records list 8 violations for this system; 2 are health-based, and the most recent began in February 2026. The violations listed here began between October 1996 and February 2026. By type: 2 public notice, recordkeeping or other, 2 reporting, 2 monitoring and reporting, 1 required treatment not met and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 8 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
2026-02-08Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2025-01-11ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2025-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2024-10-17Required treatment not metLSL Inventory · code 2ELead and Copper Rule Revisionscode 5200YesResolved
2024-10-17ReportingLSL Reporting · code 4GLead and Copper Rule Revisionscode 5200NoResolved
2024-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1ARevised Total Coliform Rulecode 8000YesResolved
2012-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
1996-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 8 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.

West Hickory Haven: frequently asked questions

Who runs West Hickory Haven?

West Hickory Haven (PWSID MI0067020) is a community water system privately owned. It is regulated by the MI state drinking water program.

How many people does West Hickory Haven serve?

West Hickory Haven reports serving 100 people through 1 service connection in Oakland County, Michigan.

Where does West Hickory Haven 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 West Hickory Haven have any drinking water violations?

EPA's records list 8 violations for this system; 2 are health-based, and the most recent began in February 2026. 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 West Hickory Haven'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 8 violations for this system; 2 are health-based, and the most recent began in February 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.

Where can I find West Hickory Haven's water quality report?

As a community water system, West Hickory Haven 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, “West Hickory Haven, PWSID MI0067020, Michigan”, https://aquacensus.com/water-systems/michigan/west-hickory-haven-mi0067020 (data as of October 1, 2026).