Lonsdale

Lonsdale, MN · ~3,913 people served

Check your exact address → Lonsdale overview

100

Excellent

PurityRadar safety score

PWSID

MN1660006

State

Minnesota

City

Lonsdale

Population served

3,913

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 Jun 2024). Levels in parts per trillion (ppt).

Lithium

42,000 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2011. Official EPA record →

Max contaminant level (MCL) · Uranium health-based began Apr 2008 Resolved

Max contaminant level (MCL) · Gross alpha health-based began Apr 2008 Resolved

Recent enforcement actions

State action · SFL May 2011
State action · SFK Sep 2008
State action · SOX Sep 2008
State action · SIF Aug 2008
State action · SFJ Jul 2008
State action · SIB Jul 2008
State action · SIE Jul 2008

This profile is built from EPA public records for system MN1660006 — 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.