BROOKINGS-DEUEL RURAL WATER SYSTEM

TORONTO, SD · ~6,200 people served

Check your exact address → TORONTO overview

100

Excellent

PurityRadar safety score

PWSID

SD4600430

State

South Dakota

City

TORONTO

Population served

6,200

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

Lithium

25,400 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2004. Official EPA record →

Other · EPA contaminant 7000 began Jul 2004 Resolved

Monitoring & reporting · Total coliform began Oct 2002 Resolved

Recent enforcement actions

State action · SOX Jul 2004
State action · SIA Jul 2004
State action · SOX May 2003
State action · SIF Feb 2003
State action · SIE Nov 2002

This profile is built from EPA public records for system SD4600430 — 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.