Public water system · WI6320318
ActiveSt Joseph San Dist 1
At a glance
St Joseph San Dist 1 (PWSID WI6320318) is an active community water system in La Crosse County, Wisconsin. It reports serving 503 people through 122 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, one is health-based, and the most recent began in February 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
503
Service connections
122
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does St Joseph San Dist 1 compare with other water systems in La Crosse County?
By EPA's size categories, St Joseph San Dist 1 is a small system (501 to 3,300 people). La Crosse County has 122 active public water systems. Its population served is about 38% below the county average of 811 people per system, and accounts for 0.5% 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 St Joseph San Dist 1 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 St Joseph San Dist 1?
EPA lists St Joseph San Dist 1 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 St Joseph San Dist 1 have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in February 2021. The violations listed here began between April 2011 and February 2021. By type: 9 monitoring and reporting, 2 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2021-02-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2019-12-02 | Public notice, recordkeeping or otherNotification, State · code 05 | Groundwater Rulecode 0700 | No | Resolved |
| 2019-08-31 | Public notice, recordkeeping or otherNotification, State · code 05 | Groundwater Rulecode 0700 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2013-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2012-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2012-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2011-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2011-06-01 | 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 |
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.
St Joseph San Dist 1: frequently asked questions
Who runs St Joseph San Dist 1?
St Joseph San Dist 1 (PWSID WI6320318) is a community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does St Joseph San Dist 1 serve?
St Joseph San Dist 1 reports serving 503 people through 122 service connections in La Crosse County, Wisconsin.
Where does St Joseph San Dist 1 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 St Joseph San Dist 1 have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in February 2021. 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 St Joseph San Dist 1'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, one is health-based, and the most recent began in February 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find St Joseph San Dist 1's water quality report?
As a community water system, St Joseph San Dist 1 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 |
| West Salem Waterworks | La Crosse | 5,045 | Community | Groundwater |
| Bangor Waterworks | La Crosse | 1,520 | Community | Groundwater |
| Shelby Tn of Wedgewood Vly | La Crosse | 1,020 | 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, “St Joseph San Dist 1, PWSID WI6320318, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/st-joseph-san-dist-1-wi6320318 (data as of October 1, 2026).