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Water system · PWSID SD4600881

CLARK RURAL WATER SYSTEM

CLARK, SD · ~2,325 people served

Check your exact address → CLARK overview
100
Excellent
PurityRadar safety score

PWSID

SD4600881

State

South Dakota

City

CLARK

Population served

2,325

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

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

34

Violations on record

0

Unaddressed

1

Health-based

6

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2013. Official EPA record →

Other began Dec 2011 Resolved
Treatment technique · EPA contaminant 2265 health-based began Jan 2004 Resolved
Monitoring & reporting · EPA contaminant 2050 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2067 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2042 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2306 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2383 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2015 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2035 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2039 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2065 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2051 began Jan 1996 Resolved

Recent enforcement actions

  • State action · SOX Aug 2013
  • State action · SO6 Jun 2013
  • State action · SOX Jan 2005
  • State action · SIE Jan 2005
  • State action · SOX Mar 2001
  • State action · SIE Sep 1999

This profile is built from EPA public records for system SD4600881 — 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.