CEDAREDGE, WI · Dane County
MAZOMANIE MHP Water System
Consumer Confidence Report status
MAZOMANIE MHP 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 MAZOMANIE MHP.
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)
- WI1130240
- System type
- Community Water System
- Population served
- 85
- Service connections
- 40
- Ownership
- privately owned
- Water source
- groundwater (wells)
MAZOMANIE MHP is one of 1,289 community water systems in Wisconsin in the 500 or fewer people size category, serving 85 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 2017, all of which EPA lists as closed. Nothing has been added since 2017.
None of the 1 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 Consumer Confidence Rule.
Violation history
Consumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2017 – July 21, 2017
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2017 – July 21, 2017 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- July 18, 2018State Compliance achieved40 linked violations
Common questions
Is MAZOMANIE MHP required to publish a Consumer Confidence Report?
- Yes. MAZOMANIE MHP 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 MAZOMANIE MHP’s next Consumer Confidence Report due?
- MAZOMANIE MHP’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MAZOMANIE MHP have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for MAZOMANIE MHP.
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
MAZOMANIE MHP LLC
Phone not on record
CEDAREDGE, CO 81413