Home/ Directory/ SD/ PRAIRIE ACRES SOUTH

Water system · PWSID SD4600428

PRAIRIE ACRES SOUTH

RAPID CITY, SD · ~170 people served

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

PWSID

SD4600428

State

South Dakota

City

RAPID CITY

Population served

170

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

119

Violations on record

0

Unaddressed

6

Health-based

46

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2020. Official EPA record →

Treatment technique · EPA contaminant 0700 health-based began Oct 2019 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jan 2016 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2015 Resolved
Treatment technique · EPA contaminant 0400 health-based began Feb 2015 Resolved
Treatment technique · EPA contaminant 0400 health-based began Mar 2011 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jan 2009 Resolved
Treatment technique · EPA contaminant 0400 health-based began Jan 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Nov 2008 Resolved
Other · EPA contaminant 7000 began Jul 2002 Resolved
Other · EPA contaminant 7000 began Jul 2001 Resolved
Other · EPA contaminant 7000 began Jul 2000 Resolved
Monitoring & reporting · EPA contaminant 2964 began Jan 2000 Resolved

Recent enforcement actions

  • State action · SO6 Jan 2020
  • State action · SOX Dec 2019
  • State action · SOX Jan 2017
  • State action · SOX Jan 2017
  • State action · SIE Apr 2016
  • State action · SIE Jan 2016
  • State action · SOX Mar 2015
  • State action · SIA Mar 2014

This profile is built from EPA public records for system SD4600428 — 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.