STONE LAKE, WI · Sawyer County
STONE LAKE SANITARY DISTRICT Water System
Consumer Confidence Report status
STONE LAKE SANITARY DISTRICT 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 STONE LAKE SANITARY DISTRICT.
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)
- WI8580502
- System type
- Community Water System
- Population served
- 175
- Service connections
- 64
- Ownership
- local government
- Water source
- groundwater (wells)
STONE LAKE SANITARY DISTRICT is one of 1,289 community water systems in Wisconsin in the 500 or fewer people size category, serving 175 people from groundwater.
As of August 1, 2026, its federal record holds 2 entries between 2012 and 2022, all of which EPA lists as closed. Nothing has been added since 2022.
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 Total Coliform Rules and the Lead and Copper Rule.
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
September 1, 2022 – September 30, 2022
ResolvedLead Consumer Notice
—Lead and Copper Rule
January 1, 2012 – March 23, 2012
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| September 1, 2022 – September 30, 2022 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| January 1, 2012 – March 23, 2012 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 17, 2022State Public Notification received32 linked violations
Common questions
Is STONE LAKE SANITARY DISTRICT required to publish a Consumer Confidence Report?
- Yes. STONE LAKE SANITARY DISTRICT 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 STONE LAKE SANITARY DISTRICT’s next Consumer Confidence Report due?
- STONE LAKE SANITARY DISTRICT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does STONE LAKE SANITARY DISTRICT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for STONE LAKE SANITARY DISTRICT.
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
SPIEGEL, AMBER - CLERK
Phone not on record
STONE LAKE, WI 54876