Watertown, MN · Carver County
Watertown Water System
Consumer Confidence Report status
Watertown 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 Watertown.
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 Minnesota’s official records. Always confirm current status with Minnesota before making decisions based on this information.
System facts
- System ID (PWSID)
- MN1100012
- System type
- Community Water System
- Population served
- 4,550
- Service connections
- 1,616
- Ownership
- local government
- Water source
- groundwater (wells)
Watertown is one of 90 community water systems in Minnesota in the 3,301 to 10,000 people size category, serving 4,550 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 2024, all of which EPA lists as closed.
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 Lead and Copper Rule.
Violation history
Follow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2024 – October 17, 2025
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2024 – October 17, 2025 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 17, 2025State Compliance achieved1 linked violation
- December 5, 2024State Formal Notice of Violation issued1 linked violation
- January 10, 2000State Public Notification received3 linked violations
- December 15, 1999State Formal Notice of Violation issued3 linked violations
- June 25, 1996State Violation/Reminder Notice3 linked violations
- September 30, 1987State Compliance achieved1 linked violation
- September 30, 1984State Compliance achieved2 linked violations
Common questions
Is Watertown required to publish a Consumer Confidence Report?
- Yes. Watertown 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 Watertown’s next Consumer Confidence Report due?
- Watertown’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does Watertown have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for Watertown.
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
Watertown City Council
9529552681
Watertown, MN 55388-0279