Skip to content
AquaCensus

Public water system · WI2685831

Active

803 Genesee St

At a glance

803 Genesee St (PWSID WI2685831) is an active non-transient non-community water system in Waukesha County, Wisconsin. It reports serving 115 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; all are health-based, and the most recent began in January 2023.

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

Population served

115

Service connections

2

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDWI2685831
System typeNon-transient non-community water system
Activity statusActive
Population served115
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWI state drinking water program
City servedDelafield
StateWisconsin
ZIP—
CountyWaukesha County

How does 803 Genesee St compare with other water systems in Waukesha County?

By EPA's size categories, 803 Genesee St 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 non-transient non-community water system reports serving 430 people, so 803 Genesee St 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. Wisconsin has 891 active non-transient non-community water systems, 8.1% 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 803 Genesee St?

EPA lists 803 Genesee St 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 803 Genesee St have drinking water violations?

EPA's records list 3 violations for this system; all are health-based, and the most recent began in January 2023. The violations listed here began between July 2010 and January 2023. By type: 3 contaminant level above the legal limit. The contaminant or rule involved most often is Di(2-ethylhexyl) phthalate (2 of them). EPA lists 3 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
2023-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Di(2-ethylhexyl) phthalatecode 2039YesResolved
2022-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Di(2-ethylhexyl) phthalatecode 2039YesResolved
2010-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

All 3 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.

803 Genesee St: frequently asked questions

Who runs 803 Genesee St?

803 Genesee St (PWSID WI2685831) is a non-transient non-community water system privately owned. It is regulated by the WI state drinking water program.

How many people does 803 Genesee St serve?

803 Genesee St reports serving 115 people through 2 service connections in Waukesha County, Wisconsin.

Where does 803 Genesee St 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 803 Genesee St have any drinking water violations?

EPA's records list 3 violations for this system; all are health-based, and the most recent began in January 2023. 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 803 Genesee St'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 3 violations for this system; all are health-based, and the most recent began in January 2023. For current results, consult EPA ECHO, or the WI state drinking water program.

Where can I find 803 Genesee St's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. 803 Genesee St 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 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

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “803 Genesee St, PWSID WI2685831, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/803-genesee-st-wi2685831 (data as of October 1, 2026).