Sauk City, WI · Sauk County
SAUK CITY WATERWORKS Water System
Consumer Confidence Report status
SAUK CITY 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 SAUK CITY 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)
- WI1570105
- System type
- Community Water System
- Population served
- 3,518
- Service connections
- 1,545
- Ownership
- local government
- Water source
- groundwater (wells)
SAUK CITY WATERWORKS is one of 102 community water systems in Wisconsin in the 3,301 to 10,000 people size category, serving 3,518 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 1993, all of which EPA lists as closed. Nothing has been added since 1993.
All 1 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 Total Coliform Rules.
Violation history
Monitoring, Routine Minor (TCR)
—Coliform (TCR)
December 1, 1993 – December 31, 1993
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| December 1, 1993 – December 31, 1993 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- February 15, 1994State Public Notification received1 linked violation
- January 31, 1994State Public Notification requested3 linked violations
- January 10, 1994State Compliance achieved1 linked violation
Common questions
Is SAUK CITY WATERWORKS required to publish a Consumer Confidence Report?
- Yes. SAUK CITY 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 SAUK CITY WATERWORKS’s next Consumer Confidence Report due?
- SAUK CITY WATERWORKS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SAUK CITY WATERWORKS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for SAUK CITY 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
SAUK CITY VILLAGE CLERK - HEIDI KOCH
Phone not on record
Sauk City, WI 53583-1449