CLAY RURAL WATER SYSTEM

WAKONDA, SD · ~4,780 people served

Check your exact address → WAKONDA overview

100

Excellent

PurityRadar safety score

PWSID

SD4600626

State

South Dakota

City

WAKONDA

Population served

4,780

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

Lithium

52,500 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Monitoring & reporting · Total coliform began Sep 2003 Resolved

Max contaminant level (MCL) · Total coliform health-based began Aug 2002 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 1999 Resolved

Recent enforcement actions

State action · SOX Apr 2004
State action · SO6 Oct 2003
State action · SOX Mar 2003
State action · SIF Oct 2002
State action · SIE Sep 2002
State action · SOX Sep 2000
State action · SIF Feb 2000
State action · SIE Jan 2000

This profile is built from EPA public records for system SD4600626 — 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.