WI · La Crosse County
LA CROSSE WATERWORKS Water System
Consumer Confidence Report status
LA CROSSE WATERWORKS must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for LA CROSSE WATERWORKS.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Wisconsin’s official records. Always confirm current status with Wisconsin before making decisions based on this information.
System facts
- System ID (PWSID)
- WI6320309
- System type
- Community Water System
- Population served
- 53,000
- Service connections
- 16,176
- Ownership
- local government
- Water source
- groundwater (wells)
LA CROSSE WATERWORKS is among the 12 largest community water systems in Wisconsin, serving 53,000 people from groundwater.
As of August 1, 2026, its federal record holds 2 entries between 1992 and 2017, all of which EPA lists as closed. Nothing has been added since 2017.
All 2 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Lead and Copper Rule.
Violation history
Water Quality Parameter M/R
—Lead and Copper Rule
June 1, 2017 – May 31, 2020
ResolvedInitial Tap Sampling for Pb and Cu
—Lead and Copper Rule
January 1, 1992 – August 7, 1992
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| June 1, 2017 – May 31, 2020 | Water Quality Parameter M/R | Lead and Copper Rule | — | Resolved |
| January 1, 1992 – August 7, 1992 | Initial Tap Sampling for Pb and Cu | Lead and Copper Rule | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- March 23, 2020State Public Notification requested32 linked violations
Common questions
Is LA CROSSE WATERWORKS required to publish a Consumer Confidence Report?
- Yes. LA CROSSE WATERWORKS is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is LA CROSSE WATERWORKS’s next Consumer Confidence Report due?
- LA CROSSE WATERWORKS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does LA CROSSE WATERWORKS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for LA CROSSE WATERWORKS.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
Not on record
Phone not on record