Public water system · WI2685747
ActiveMenomonee Falls Ww - Groundwater
At a glance
Menomonee Falls Ww - Groundwater (PWSID WI2685747) is an active community water system in Waukesha County, Wisconsin. It reports serving 1,796 people through 665 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2002.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,796
Service connections
665
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Menomonee Falls Ww - Groundwater compare with other water systems in Waukesha County?
By EPA's size categories, Menomonee Falls Ww - Groundwater is a small system (501 to 3,300 people). Waukesha County has 589 active public water systems. Its population served is about 3.3 times the county average of 549 people per system, and accounts for 0.6% 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 Menomonee Falls Ww - Groundwater 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 Menomonee Falls Ww - Groundwater?
EPA lists Menomonee Falls Ww - Groundwater as owned by a local government. 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. 102 of the 589 active systems in Waukesha County (17%) are also owned by a local government.
Does Menomonee Falls Ww - Groundwater have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2002. The violations listed here began between April 2002 and July 2002. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Consumer Confidence Rule, trans-1,2-Dichloroethylene, Xylenes, Total and Trichloroethylene. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2002-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Trichloroethylenecode 2984 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
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.
Menomonee Falls Ww - Groundwater: frequently asked questions
Who runs Menomonee Falls Ww - Groundwater?
Menomonee Falls Ww - Groundwater (PWSID WI2685747) is a community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Menomonee Falls Ww - Groundwater serve?
Menomonee Falls Ww - Groundwater reports serving 1,796 people through 665 service connections in Waukesha County, Wisconsin.
Where does Menomonee Falls Ww - Groundwater 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 Menomonee Falls Ww - Groundwater 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 July 2002. 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 Menomonee Falls Ww - Groundwater'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 July 2002. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find Menomonee Falls Ww - Groundwater's water quality report?
As a community water system, Menomonee Falls Ww - Groundwater 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 system | County | Population served | Type | Source |
|---|---|---|---|---|
| Waukesha Water Utility | Waukesha | 70,718 | Community | Purchased surface water |
| Brookfield Water Utility | Waukesha | 29,070 | Community | Groundwater |
| New Berlin Water Utility | Waukesha | 27,899 | Community | Purchased surface water |
| Menomonee Falls Ww - Surface Water | Waukesha | 23,867 | Community | Purchased surface water |
| Oconomowoc Waterworks | Waukesha | 15,805 | Community | Groundwater |
| Sussex Village Hall & Water Utility | Waukesha | 11,750 | Community | Groundwater |
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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, “Menomonee Falls Ww - Groundwater, PWSID WI2685747, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/menomonee-falls-ww-groundwater-wi2685747 (data as of October 1, 2026).