Is LA VALLE WATERWORKS required to publish a Consumer Confidence Report?

Yes. LA VALLE 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 VALLE WATERWORKS’s next Consumer Confidence Report due?

LA VALLE WATERWORKS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

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.

WI · Sauk County

LA VALLE WATERWORKS Water System

Consumer Confidence Report status

LA VALLE 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 VALLE 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): WI1570113
System type: Community Water System
Population served: 365
Service connections: 135
Ownership: local government
Water source: groundwater (wells)

LA VALLE WATERWORKS is one of 1,289 community water systems in Wisconsin in the 500 or fewer people size category, serving 365 people from groundwater.

As of August 1, 2026, its federal record holds 4 entries between 1991 and 1994, all of which EPA lists as closed. Nothing has been added since 1994.

None of the 4 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Total Coliform Rules.

Violation history

Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1994 – August 31, 1994
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1993 – July 29, 1993
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 1993 – June 25, 1993
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 1991 – May 31, 1991
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
August 1, 1994 – August 31, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 1993 – July 29, 1993	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
June 1, 1993 – June 25, 1993	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
May 1, 1991 – May 31, 1991	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

September 13, 1994State Public Notification received1 linked violation
September 1, 1994State Compliance achieved1 linked violation
August 31, 1994State Public Notification requested1 linked violation
August 31, 1994State Violation/Reminder Notice1 linked violation
August 16, 1993State Public Notification received1 linked violation
July 29, 1993State Compliance achieved1 linked violation
July 27, 1993State Technical Assistance Visit1 linked violation
July 27, 1993State Public Notification received1 linked violation
July 14, 1993State Public Notification requested1 linked violation
July 14, 1993State Formal Notice of Violation issued1 linked violation
June 25, 1993State Compliance achieved1 linked violation
June 17, 1993State Violation/Reminder Notice1 linked violation
June 17, 1993State Public Notification requested1 linked violation

Common questions

Is LA VALLE WATERWORKS required to publish a Consumer Confidence Report?: Yes. LA VALLE 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 VALLE WATERWORKS’s next Consumer Confidence Report due?: LA VALLE WATERWORKS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does LA VALLE WATERWORKS have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for LA VALLE 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