PWSID
WI1570105
State
Wisconsin
City
Sauk City
Population served
3,518
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
No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.
Violations & enforcement
3
Violations on record
0
Unaddressed
0
Health-based
10
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Aug 2024. Official EPA record →
Recent enforcement actions
- State action · SOX Aug 2024
- State action · SOX Aug 2024
- State action · SIA Aug 2024
- State action · SIA Aug 2024
- State action · SIF Feb 1994
- State action · SIE Jan 1994
- State action · SIA Jan 1994
- State action · SOX Jan 1994
This profile is built from EPA public records for system WI1570105 — 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.