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Water system · PWSID SD4602076

SPRING LAKE COLONY

ARLINGTON, SD · ~114 people served

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

PWSID

SD4602076

State

South Dakota

City

ARLINGTON

Population served

114

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

90

Violations on record

0

Unaddressed

1

Health-based

33

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2021. Official EPA record →

Monitoring & reporting · EPA contaminant 1094 began Jan 2020 Resolved
Monitoring & reporting · Lead & Copper Rule began Nov 2019 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2004 Resolved
Monitoring & reporting · Total coliform began Oct 2004 Resolved
Other · EPA contaminant 7500 began May 2004 Resolved
Monitoring & reporting · Nitrate began Jan 2003 Resolved
Monitoring & reporting · Total coliform began Dec 2000 Resolved
Monitoring & reporting · EPA contaminant 2050 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2051 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2065 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2067 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2306 began Jan 1996 Resolved

Recent enforcement actions

  • State action · SOX Jan 2021
  • State action · SIE Jan 2021
  • State action · SOX Aug 2020
  • State action · SIA Nov 2019
  • State action · SIF Sep 2008
  • State action · SOX Sep 2008
  • State action · SOX May 2005
  • State action · SOX May 2005

This profile is built from EPA public records for system SD4602076 — 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.