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Public water system · MI2065581

Active

Fca Chelsea Proving Grounds Adas Buildin

At a glance

Fca Chelsea Proving Grounds Adas Buildin (PWSID MI2065581) is an active non-transient non-community water system in Washtenaw County, Michigan. It reports serving 25 people through 10 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 2024.

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

Population served

25

Service connections

10

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDMI2065581
System typeNon-transient non-community water system
Activity statusActive
Population served25
Service connections10
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountyWashtenaw County

How does Fca Chelsea Proving Grounds Adas Buildin compare with other water systems in Washtenaw County?

By EPA's size categories, Fca Chelsea Proving Grounds Adas Buildin is a very small system (500 people or fewer). Washtenaw County has 262 active public water systems. Its population served is well below the county average of 1,147 people per system, and accounts for less than 0.1% of the 300,406 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Fca Chelsea Proving Grounds Adas Buildin is well below that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Michigan has 1,402 active non-transient non-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 Fca Chelsea Proving Grounds Adas Buildin?

EPA lists Fca Chelsea Proving Grounds Adas Buildin 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. 229 of the 262 active systems in Washtenaw County (87%) are also privately owned.

Does Fca Chelsea Proving Grounds Adas Buildin have drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 2024. The violations listed here began between July 2022 and December 2024. By type: 1 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Lead and Copper Rule and Revised Total Coliform Rule. EPA lists 2 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
2024-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2022-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved

All 2 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.

Fca Chelsea Proving Grounds Adas Buildin: frequently asked questions

Who runs Fca Chelsea Proving Grounds Adas Buildin?

Fca Chelsea Proving Grounds Adas Buildin (PWSID MI2065581) is a non-transient non-community water system privately owned. It is regulated by the MI state drinking water program.

How many people does Fca Chelsea Proving Grounds Adas Buildin serve?

Fca Chelsea Proving Grounds Adas Buildin reports serving 25 people through 10 service connections in Washtenaw County, Michigan.

Where does Fca Chelsea Proving Grounds Adas Buildin 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 Fca Chelsea Proving Grounds Adas Buildin have any drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 2024. 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 Fca Chelsea Proving Grounds Adas Buildin'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 2 violations for this system; none is health-based, and the most recent began in December 2024. For current results, consult EPA ECHO, or the MI state drinking water program.

Where can I find Fca Chelsea Proving Grounds Adas Buildin's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Fca Chelsea Proving Grounds Adas Buildin is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Washtenaw County

Water systemCountyPopulation servedTypeSource
Ann ArborWashtenaw123,851CommunitySurface water
Ypsilanti Community Utility AuthorityWashtenaw53,988CommunityPurchased surface water
Pittsfield TownshipWashtenaw24,500CommunityPurchased surface water
SalineWashtenaw9,158CommunityGroundwater
Scio TownshipWashtenaw8,500CommunityPurchased surface water
MilanWashtenaw7,363CommunityGroundwater

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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, “Fca Chelsea Proving Grounds Adas Buildin, PWSID MI2065581, Michigan”, https://aquacensus.com/water-systems/michigan/fca-chelsea-proving-grounds-adas-buildin-mi2065581 (data as of October 1, 2026).