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Water system · PWSID SD4600020

ABERDEEN

ABERDEEN, SD · ~27,989 people served

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

PWSID

SD4600020

State

South Dakota

City

ABERDEEN

Population served

27,989

Primary source

Surface water

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

Latest detections from EPA’s UCMR5 monitoring (through Oct 2023). Levels in parts per trillion (ppt).

Lithium

69,000 ppt

limit —

No federal limit

PFBA

6.5 ppt

limit —

No federal limit

Violations & enforcement

36

Violations on record

0

Unaddressed

13

Health-based

89

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2025. Official EPA record →

Treatment technique · EPA contaminant 0300 health-based began May 2025 Resolved
Treatment technique · EPA contaminant 0300 health-based began Dec 2024 Resolved
Treatment technique · EPA contaminant 0300 health-based began Dec 2024 Resolved
Treatment technique · EPA contaminant 0300 health-based began Nov 2024 Resolved
Treatment technique · EPA contaminant 0300 health-based began Jul 2023 Resolved
Treatment technique · EPA contaminant 0300 health-based began Apr 2022 Resolved
Monitoring & reporting · Bromate began Apr 2014 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2011 Resolved
Treatment technique · EPA contaminant 0300 health-based began May 2006 Resolved
Treatment technique · EPA contaminant 0300 health-based began Oct 2005 Resolved

Recent enforcement actions

  • State action · SOX Sep 2025
  • State action · SIF Jun 2025
  • State action · SIE Jun 2025
  • State action · SOX Mar 2025
  • State action · SOX Mar 2025
  • State action · SOX Mar 2025
  • State action · SIF Jan 2025
  • State action · SIF Jan 2025

This profile is built from EPA public records for system SD4600020 — 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.