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Water system · PWSID SD4600037

BELLE FOURCHE

BELLE FOURCHE, SD · ~5,617 people served

Check your exact address → BELLE FOURCHE overview
100
Excellent
PurityRadar safety score

PWSID

SD4600037

State

South Dakota

City

BELLE FOURCHE

Population served

5,617

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

111

Violations on record

0

Unaddressed

1

Health-based

25

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2018. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2017 Resolved
Max contaminant level (MCL) · Total coliform health-based began Apr 2006 Resolved
Monitoring & reporting · EPA contaminant 2955 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2992 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2378 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2985 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2976 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2981 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2987 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2964 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2977 began Jan 1996 Resolved

Recent enforcement actions

  • State action · SOX Sep 2018
  • State action · SIF Mar 2018
  • State action · SIE Oct 2017
  • State action · SOX Jun 2006
  • State action · SIF Apr 2006
  • State action · SIE Apr 2006
  • State action · SIE Sep 1999
  • State action · SOX Aug 1999

This profile is built from EPA public records for system SD4600037 — 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.