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Public water system · MI0040665

Active

Fsi Holly Hills Property LLC

At a glance

Fsi Holly Hills Property LLC (PWSID MI0040665) is an active community water system in Oakland County, Colorado. It reports serving 435 people through 96 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 2025.

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

Population served

435

Service connections

96

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMI0040665
System typeCommunity water system
Activity statusActive
Population served435
Service connections96
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMI state drinking water program
City served—
StateColorado
ZIP—
CountyOakland County

How does Fsi Holly Hills Property LLC compare with other water systems in Oakland County?

By EPA's size categories, Fsi Holly Hills Property LLC is a very small system (500 people or fewer). Oakland County has 2 active public water systems, and Fsi Holly Hills Property LLC is the largest of them by population served. Its population served is roughly in line with the county average of 435 people per system, and accounts for 50% of the 870 people reported by systems filed under the county. Across Colorado, the 2,207 active systems average 3,400 people each. Nationally, the average active community water system reports serving 6,703 people, so Fsi Holly Hills Property LLC 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. Colorado has 1,068 active community water systems, 48% of the state's 2,207 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,437 Colorado systems (65%) list groundwater as their primary source.

Who owns and regulates Fsi Holly Hills Property LLC?

EPA lists Fsi Holly Hills Property LLC 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. 2 of the 2 active systems in Oakland County (100%) are also privately owned.

Does Fsi Holly Hills Property LLC have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 2025. The violations listed here began between January 2012 and November 2025. By type: 10 monitoring and reporting, 1 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Groundwater Rule (2 of them). EPA lists 12 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
2025-11-09Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2025-08-11Public notice, recordkeeping or otherFailure to Consult with State · code 20Groundwater Rulecode 0700NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03cis-1,2-Dichloroethylenecode 2380NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Xylenes, Totalcode 2955NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03trans-1,2-Dichloroethylenecode 2979NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 031,1,1-Trichloroethanecode 2981NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Toluenecode 2991NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Styrenecode 2996NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloropropanecode 2983NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 031,1,2-Trichloroethanecode 2985NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Tetrachloroethylenecode 2987NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Carbon tetrachloridecode 2982NoResolved

The 12 most recent 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.

Fsi Holly Hills Property LLC: frequently asked questions

Who runs Fsi Holly Hills Property LLC?

Fsi Holly Hills Property LLC (PWSID MI0040665) is a community water system privately owned. It is regulated by the MI state drinking water program.

How many people does Fsi Holly Hills Property LLC serve?

Fsi Holly Hills Property LLC reports serving 435 people through 96 service connections in Oakland County, Colorado.

Where does Fsi Holly Hills Property LLC 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 Fsi Holly Hills Property LLC have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 2025. 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 Fsi Holly Hills Property LLC'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. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.

Where can I find Fsi Holly Hills Property LLC's water quality report?

As a community water system, Fsi Holly Hills Property LLC 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
Groveland ManorOakland435CommunityGroundwater

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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, “Fsi Holly Hills Property LLC, PWSID MI0040665, Colorado”, https://aquacensus.com/water-systems/colorado/fsi-holly-hills-property-llc-mi0040665 (data as of October 1, 2026).