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Public water system · WI2682416

Active

Brown Street Market Place

At a glance

Brown Street Market Place (PWSID WI2682416) is an active transient non-community water system in Waukesha County, Wisconsin. It reports serving 384 people through 2 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, none is health-based, and the most recent began in October 2001.

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

Population served

384

Service connections

2

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWI2682416
System typeTransient non-community water system
Activity statusActive
Population served384
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWI state drinking water program
City servedOconomowoc
StateWisconsin
ZIP—
CountyWaukesha County

How does Brown Street Market Place compare with other water systems in Waukesha County?

By EPA's size categories, Brown Street Market Place is a very small system (500 people or fewer). Waukesha County has 589 active public water systems. Its population served is about 30% below the county average of 549 people per system, and accounts for 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 Brown Street Market Place is about 167% above 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 Brown Street Market Place?

EPA lists Brown Street Market Place 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 Brown Street Market Place have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2001. The violations listed here began between January 1998 and October 2001. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 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
2001-10-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2001-04-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2001-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2001-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2000-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2000-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2000-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1999-09-16Monitoring and reportingMonitoring, Check/Repeat/Confirmation · code 04Nitratecode 1040NoResolved
1999-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1998-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1998-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1998-01-01Monitoring and reportingMonitoring, Regular · code 03Fluoridecode 1025NoResolved

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.

Brown Street Market Place: frequently asked questions

Who runs Brown Street Market Place?

Brown Street Market Place (PWSID WI2682416) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.

How many people does Brown Street Market Place serve?

Brown Street Market Place reports serving 384 people through 2 service connections in Waukesha County, Wisconsin.

Where does Brown Street Market Place 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 Brown Street Market Place have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2001. 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 Brown Street Market Place'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, none is health-based, and the most recent began in October 2001. For current results, consult EPA ECHO, or the WI state drinking water program.

Where can I find Brown Street Market Place's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Brown Street Market Place 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, “Brown Street Market Place, PWSID WI2682416, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/brown-street-market-place-wi2682416 (data as of October 1, 2026).