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Water system · PWSID SD4600862

WESTON HEIGHTS HOMEOWNERS ASSOCIATIO

PIEDMONT, SD · ~412 people served

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

PWSID

SD4600862

State

South Dakota

City

PIEDMONT

Population served

412

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

11

Violations on record

1

Unaddressed

5

Health-based

29

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2025. Official EPA record →

Other · EPA contaminant 7000 began Jul 2025 Unaddressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved
Reporting · EPA contaminant 5200 began Oct 2024 Resolved
Treatment technique · EPA contaminant 0400 health-based began Feb 2013 Resolved
Other · EPA contaminant 7000 began Jul 2001 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 1997 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 1996 Resolved
Max contaminant level (MCL) · Total coliform health-based began Nov 1995 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 1993 Resolved
Monitoring & reporting · Gross alpha began Dec 1989 Resolved
Monitoring & reporting · Uranium began Dec 1989 Resolved

Recent enforcement actions

  • State action · SIA Aug 2025
  • State action · SOX Feb 2025
  • State action · SOX Feb 2025
  • State action · SO6 Oct 2024
  • State action · SO6 Oct 2024
  • State action · SOX Mar 2013
  • State action · SIA Mar 2013
  • State action · SOX Sep 2001

This profile is built from EPA public records for system SD4600862 — 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.