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Public water system · WI2686325

Active

Cambridge Place of Delafield

At a glance

Cambridge Place of Delafield (PWSID WI2686325) is an active community water system in Waukesha County, Wisconsin. It reports serving 50 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in October 2024.

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

Population served

50

Service connections

2

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWI2686325
System typeCommunity water system
Activity statusActive
Population served50
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWI state drinking water program
City servedDelafield
StateWisconsin
ZIP—
CountyWaukesha County

How does Cambridge Place of Delafield compare with other water systems in Waukesha County?

By EPA's size categories, Cambridge Place of Delafield 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 community water system reports serving 6,703 people, so Cambridge Place of Delafield 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. Wisconsin has 1,053 active community water systems, 9.5% 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 Cambridge Place of Delafield?

EPA lists Cambridge Place of Delafield 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 Cambridge Place of Delafield have drinking water violations?

EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in October 2024. The violations listed here began between October 2013 and October 2024. By type: 2 public notice, recordkeeping or other, 1 required treatment not met, 1 reporting and 1 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule Revisions (2 of them). EPA lists 3 as resolved and 2 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
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
2024-10-17Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2024-10-17Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2013-10-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved

All 5 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.

Cambridge Place of Delafield: frequently asked questions

Who runs Cambridge Place of Delafield?

Cambridge Place of Delafield (PWSID WI2686325) is a community water system privately owned. It is regulated by the WI state drinking water program.

How many people does Cambridge Place of Delafield serve?

Cambridge Place of Delafield reports serving 50 people through 2 service connections in Waukesha County, Wisconsin.

Where does Cambridge Place of Delafield 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 Cambridge Place of Delafield have any drinking water violations?

EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in October 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 Cambridge Place of Delafield'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 5 violations for this system; 1 is health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.

Where can I find Cambridge Place of Delafield's water quality report?

As a community water system, Cambridge Place of Delafield 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 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, “Cambridge Place of Delafield, PWSID WI2686325, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/cambridge-place-of-delafield-wi2686325 (data as of October 1, 2026).