SHAWANO LK SAN DIST 1

SHAWANO, WI · ~4,950 people served

Check your exact address → SHAWANO overview

100

Excellent

PurityRadar safety score

PWSID

WI4590457

State

Wisconsin

City

SHAWANO

Population served

4,950

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

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 Nov 2023). Levels in parts per trillion (ppt).

PFBA

5.9 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2021. Official EPA record →

Other · EPA contaminant 7500 began Nov 2011 Unaddressed

Treatment technique · EPA contaminant 0700 health-based began Jun 2019 Resolved

Monitoring & reporting · Total coliform began Oct 2011 Resolved

Monitoring & reporting · EPA contaminant 0999 began Oct 2011 Resolved

Max contaminant level (MCL) · Total coliform health-based began Nov 1998 Resolved

Monitoring & reporting · Total coliform began May 1993 Resolved

Recent enforcement actions

State action · SIA Sep 2021
State action · SIF Aug 2019
State action · SIE Jun 2019
State action · SIA Jun 2019
State action · SOX Jun 2019
State action · SIE Nov 2011
State action · SIA Nov 2011
State action · SOX Nov 2011

This profile is built from EPA public records for system WI4590457 — 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.