PWSID
MN1100012
State
Minnesota
City
Watertown
Population served
4,550
Primary source
Groundwater
Score history
No change since tracking began Jun 18, 2026.
2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.
PFAS & contaminant readings
Latest detections from EPA’s UCMR5 monitoring (through Oct 2023). Levels in parts per trillion (ppt).
Lithium
13,000 ppt
limit —
Violations & enforcement
1
Violations on record
0
Unaddressed
0
Health-based
9
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Oct 2025. Official EPA record →
Recent enforcement actions
- State action · SOX Oct 2025
- State action · SFJ Dec 2024
- State action · SIA Dec 1989
- State action · SIA Sep 1988
- State action · SOX Sep 1987
- State action · SIA Sep 1987
- State action · SIA Sep 1986
- State action · SOX Sep 1986
This profile is built from EPA public records for system MN1100012 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.