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Water system · PWSID SD4602263

SUNSET RANCH

PIEDMONT, SD · ~263 people served

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

PWSID

SD4602263

State

South Dakota

City

PIEDMONT

Population served

263

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

23

Violations on record

0

Unaddressed

23

Health-based

90

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2014. Official EPA record →

Max contaminant level (MCL) · Gross alpha health-based began Jan 2014 Resolved
Max contaminant level (MCL) · Uranium health-based began Jan 2014 Resolved
Max contaminant level (MCL) · Uranium health-based began Oct 2013 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Oct 2013 Resolved
Max contaminant level (MCL) · Uranium health-based began Jul 2013 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Jul 2013 Resolved
Max contaminant level (MCL) · Uranium health-based began Apr 2013 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Apr 2013 Resolved
Max contaminant level (MCL) · Uranium health-based began Jan 2013 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Jan 2013 Resolved
Max contaminant level (MCL) · Uranium health-based began Oct 2012 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Oct 2012 Resolved

Recent enforcement actions

  • State action · SOX Jul 2014
  • State action · SOX Jul 2014
  • State action · SOX Jul 2014
  • State action · SOX Jul 2014
  • State action · SOX Jul 2014
  • State action · SOX Jul 2014
  • State action · SOX Jul 2014
  • State action · SOX Jul 2014

This profile is built from EPA public records for system SD4602263 — 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.