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Water system · PWSID SD4600405

PONDEROSA PARK

RAPID CITY, SD · ~31 people served

Check your exact address → RAPID CITY overview
100
Excellent
PurityRadar safety score

PWSID

SD4600405

State

South Dakota

City

RAPID CITY

Population served

31

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

55

Violations on record

0

Unaddressed

46

Health-based

155

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2013. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began May 2013 Resolved
Max contaminant level (MCL) · Uranium health-based began Oct 2008 Resolved
Max contaminant level (MCL) · Uranium health-based began Jul 2008 Resolved
Max contaminant level (MCL) · Uranium health-based began Apr 2008 Resolved
Max contaminant level (MCL) · Uranium health-based began Jan 2008 Resolved
Max contaminant level (MCL) · Uranium health-based began Oct 2007 Resolved
Other · EPA contaminant 7500 began Jul 2007 Resolved
Max contaminant level (MCL) · Uranium health-based began Jul 2007 Resolved
Max contaminant level (MCL) · Uranium health-based began Apr 2007 Resolved
Max contaminant level (MCL) · Uranium health-based began Jan 2007 Resolved
Max contaminant level (MCL) · Uranium health-based began Oct 2006 Resolved
Monitoring & reporting · Gross alpha began Jul 2006 Resolved

Recent enforcement actions

  • State action · SOX Jul 2013
  • State action · SIF Jun 2013
  • State action · SIE May 2013
  • State action · SOX Nov 2010
  • State action · SOX Nov 2010
  • State action · SOX Nov 2010
  • State action · SOX Nov 2010
  • State action · SOX Nov 2010

This profile is built from EPA public records for system SD4600405 — 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.