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Water system · PWSID SD4600948

PINE GROVE

RAPID CITY, SD · ~425 people served

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

PWSID

SD4600948

State

South Dakota

City

RAPID CITY

Population served

425

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

12

Violations on record

0

Unaddressed

4

Health-based

18

Enforcement actions

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

Max contaminant level (MCL) · Total coliform health-based began Sep 2013 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 1998 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 1996 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 1996 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 1996 Resolved
Monitoring & reporting · Fluoride began Aug 1990 Resolved
Monitoring & reporting · Selenium began Aug 1990 Resolved
Monitoring & reporting · Antimony began Aug 1990 Resolved
Monitoring & reporting · Barium began Aug 1990 Resolved
Monitoring & reporting · Arsenic began Aug 1990 Resolved
Monitoring & reporting · Cadmium began Aug 1990 Resolved
Monitoring & reporting · Chromium (total) began Aug 1990 Resolved

Recent enforcement actions

  • State action · SOX Nov 2013
  • State action · SIF Oct 2013
  • State action · SIE Sep 2013
  • State action · SOX Apr 1999
  • State action · SIE Sep 1998
  • State action · SIF Sep 1998
  • State action · SOX Feb 1997
  • State action · SIE Feb 1997

This profile is built from EPA public records for system SD4600948 — 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.