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Water system · PWSID SD4600236

PARKSTON

PARKSTON, SD · ~1,567 people served

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

PWSID

SD4600236

State

South Dakota

City

PARKSTON

Population served

1,567

Primary source

SWP

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

15

Violations on record

0

Unaddressed

4

Health-based

45

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2024. Official EPA record →

Monitoring & reporting · Total trihalomethanes (TTHM) began Aug 2023 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Aug 2023 Resolved
Monitoring · Lead & Copper Rule began May 2022 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2022 Resolved
Treatment technique · EPA contaminant 0400 health-based began Mar 2022 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2020 Resolved
Treatment technique · Lead & Copper Rule health-based began Jun 2019 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2016 Resolved
Treatment technique · EPA contaminant 0400 health-based began May 2012 Resolved
Other · EPA contaminant 7500 began Jan 2002 Resolved
Monitoring & reporting · Total coliform began Nov 2001 Resolved
Monitoring & reporting · Total coliform began Feb 2000 Resolved

Recent enforcement actions

  • State action · SOX Sep 2024
  • State action · SOX Sep 2024
  • State action · SIE Oct 2023
  • State action · SIE Oct 2023
  • State action · SOX Sep 2023
  • State action · SOX May 2023
  • State action · SIF Apr 2023
  • State action · SOX Sep 2022

This profile is built from EPA public records for system SD4600236 — 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.