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Public water system · WI2685707

Active

Hallett Veterinary Hospital

At a glance

Hallett Veterinary Hospital (PWSID WI2685707) is an active transient non-community water system in Waukesha County, Wisconsin. It reports serving 57 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.

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

Population served

57

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWI2685707
System typeTransient non-community water system
Activity statusActive
Population served57
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWI state drinking water program
City servedOconomowoc
StateWisconsin
ZIP—
CountyWaukesha County

How does Hallett Veterinary Hospital compare with other water systems in Waukesha County?

By EPA's size categories, Hallett Veterinary Hospital is a very small system (500 people or fewer). Waukesha County has 589 active public water systems. Its population served is well below the county average of 549 people per system, and accounts for less than 0.1% of the 323,265 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Hallett Veterinary Hospital is about 60% below that figure.

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

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Wisconsin has 9,112 active transient non-community water systems, 82% of the state's 11,056 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,978 Wisconsin systems (99%) list groundwater as their primary source.

Who owns and regulates Hallett Veterinary Hospital?

EPA lists Hallett Veterinary Hospital as privately owned. The WI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 452 of the 589 active systems in Waukesha County (77%) are also privately owned.

Does Hallett Veterinary Hospital have drinking water violations?

No SDWA violations on record.

EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Hallett Veterinary Hospital. For the latest compliance status, check EPA ECHO for current compliance history.

Hallett Veterinary Hospital: frequently asked questions

Who runs Hallett Veterinary Hospital?

Hallett Veterinary Hospital (PWSID WI2685707) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.

How many people does Hallett Veterinary Hospital serve?

Hallett Veterinary Hospital reports serving 57 people through 1 service connection in Waukesha County, Wisconsin.

Where does Hallett Veterinary Hospital 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 Hallett Veterinary Hospital have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is Hallett Veterinary Hospital'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the WI state drinking water program.

Where can I find Hallett Veterinary Hospital's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Hallett Veterinary Hospital is a 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 Waukesha County

Water systemCountyPopulation servedTypeSource
Waukesha Water UtilityWaukesha70,718CommunityPurchased surface water
Brookfield Water UtilityWaukesha29,070CommunityGroundwater
New Berlin Water UtilityWaukesha27,899CommunityPurchased surface water
Menomonee Falls Ww - Surface WaterWaukesha23,867CommunityPurchased surface water
Oconomowoc WaterworksWaukesha15,805CommunityGroundwater
Sussex Village Hall & Water UtilityWaukesha11,750CommunityGroundwater

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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, “Hallett Veterinary Hospital, PWSID WI2685707, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/hallett-veterinary-hospital-wi2685707 (data as of October 1, 2026).