Public water system · WI6320334
ActiveWest Salem Waterworks
At a glance
West Salem Waterworks (PWSID WI6320334) is an active community water system in La Crosse County, Wisconsin. It reports serving 5,045 people through 1,183 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in April 2011.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
5,045
Service connections
1,183
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does West Salem Waterworks compare with other water systems in La Crosse County?
By EPA's size categories, West Salem Waterworks is a medium system (3,301 to 10,000 people). La Crosse County has 122 active public water systems, and West Salem Waterworks is the 4th-largest of them by population served. Its population served is about 6.2 times the county average of 811 people per system, and accounts for 5.1% of the 98,888 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 West Salem Waterworks is about 25% 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 West Salem Waterworks?
EPA lists West Salem Waterworks 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. 34 of the 122 active systems in La Crosse County (28%) are also owned by a local government.
Does West Salem Waterworks have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in April 2011. The violations listed here began between November 1994 and April 2011. By type: 3 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2011-04-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2011-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2002-06-04 | Monitoring and reportingMonitoring, Check/Repeat/Confirmation · code 04 | Nickelcode 1036 | No | Resolved |
| 1994-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 4 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.
West Salem Waterworks: frequently asked questions
Who runs West Salem Waterworks?
West Salem Waterworks (PWSID WI6320334) is a community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does West Salem Waterworks serve?
West Salem Waterworks reports serving 5,045 people through 1,183 service connections in La Crosse County, Wisconsin.
Where does West Salem Waterworks 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 West Salem Waterworks have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in April 2011. 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 West Salem Waterworks' 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 4 violations for this system; 1 is health-based, and the most recent began in April 2011. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find West Salem Waterworks' water quality report?
As a community water system, West Salem Waterworks 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 La Crosse County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| La Crosse Waterworks | La Crosse | 53,000 | Community | Groundwater |
| Onalaska Waterworks | La Crosse | 18,000 | Community | Groundwater |
| Holmen Waterworks | La Crosse | 10,147 | Community | Groundwater |
| Bangor Waterworks | La Crosse | 1,520 | Community | Groundwater |
| Shelby Tn of Wedgewood Vly | La Crosse | 1,020 | Community | Groundwater |
| Celebrations on the River | La Crosse | 815 | Non-transient non-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, “West Salem Waterworks, PWSID WI6320334, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/west-salem-waterworks-wi6320334 (data as of October 1, 2026).