BELOIT CITY OF

BELOIT, WI · ~36,677 people served

Check your exact address → BELOIT overview

100

Excellent

PurityRadar safety score

PWSID

WI1540112

State

Wisconsin

City

BELOIT

Population served

36,677

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).

PFBS

3 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2024. Official EPA record →

Other · EPA contaminant 7000 began Jul 2024 Resolved

Max contaminant level (MCL) · Uranium health-based began Oct 2019 Resolved

Max contaminant level (MCL) · Uranium health-based began Jul 2019 Resolved

Other · EPA contaminant 7000 began Jul 2013 Resolved

Monitoring & reporting · Nitrate began Apr 2006 Resolved

Monitoring & reporting · Nitrate began Apr 2004 Resolved

Monitoring & reporting · Nitrate began Jan 1995 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 1993 Resolved

Recent enforcement actions

State action · SIA Aug 2024
State action · SOX Aug 2024
State action · SOX May 2022
State action · SOX May 2022
State action · SFL Jan 2021
State action · SFL Jan 2021
State action · SFL Sep 2020
State action · SFL Sep 2020

This profile is built from EPA public records for system WI1540112 — 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.