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Water system · PWSID SD4600152

HECLA

HECLA, SD · ~200 people served

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

PWSID

SD4600152

State

South Dakota

City

HECLA

Population served

200

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

15

Violations on record

0

Unaddressed

14

Health-based

60

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Apr 2024. Official EPA record →

Treatment technique · EPA contaminant 0400 health-based began Feb 2024 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2008 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jul 2008 Resolved
Max contaminant level (MCL) · Arsenic health-based began Apr 2008 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jan 2008 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2007 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jul 2007 Resolved
Max contaminant level (MCL) · Arsenic health-based began Apr 2007 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jan 2007 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2006 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jul 2006 Resolved
Monitoring & reporting · Arsenic began Apr 2006 Resolved

Recent enforcement actions

  • State action · SOX Apr 2024
  • State action · SIA Feb 2024
  • State action · SOX Feb 2009
  • State action · SOX Feb 2009
  • State action · SOX Feb 2009
  • State action · SOX Feb 2009
  • State action · SOX Feb 2009
  • State action · SOX Feb 2009

This profile is built from EPA public records for system SD4600152 — 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.