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Water system · PWSID SD4600088

CHESTER SANITARY DISTRICT

EGAN, SD · ~363 people served

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

PWSID

SD4600088

State

South Dakota

City

EGAN

Population served

363

Primary source

GWP

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

37

Violations on record

0

Unaddressed

0

Health-based

22

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2003. Official EPA record →

Other · EPA contaminant 7000 began Jul 2003 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1995 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 1995 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 1994 Resolved
Monitoring & reporting · EPA contaminant 2050 began Jan 1993 Resolved
Monitoring & reporting · EPA contaminant 2306 began Jan 1993 Resolved
Monitoring & reporting · EPA contaminant 2051 began Jan 1993 Resolved
Monitoring & reporting · EPA contaminant 2035 began Jan 1993 Resolved
Monitoring & reporting · EPA contaminant 2067 began Jan 1993 Resolved
Monitoring & reporting · EPA contaminant 2039 began Jan 1993 Resolved
Monitoring & reporting · EPA contaminant 2042 began Jan 1993 Resolved
Monitoring & reporting · EPA contaminant 2383 began Jan 1993 Resolved

Recent enforcement actions

  • State action · SOX Oct 2003
  • State action · SIA Sep 2003
  • State action · SOX Feb 1998
  • State action · SIF May 1996
  • State action · SOX May 1996
  • State action · SIE Apr 1996
  • State action · SOX Mar 1996
  • State action · SIF Feb 1996

This profile is built from EPA public records for system SD4600088 — 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.