Red Rock Rural Water System

Jeffers, MN · ~5,840 people served

Check your exact address → Jeffers overview

100

Excellent

PurityRadar safety score

PWSID

MN1170009

State

Minnesota

City

Jeffers

Population served

5,840

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 Jul 2025). Levels in parts per trillion (ppt).

Lithium

17,000 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2020 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2020 Resolved

Monitoring & reporting · Lead & Copper Rule began Oct 2006 Resolved

Recent enforcement actions

State action · SFJ Jan 2021
State action · SIE Jan 2021
State action · SOX Nov 2020
State action · SIA Nov 2020
State action · SIF Dec 2007
State action · SFJ Nov 2007
State action · SIE Nov 2007
State action · SOX Oct 2007

This profile is built from EPA public records for system MN1170009 — 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.