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Water system · PWSID NE3105104

MASKELL, VILLAGE OF

VERMILLION, SD · ~86 people served

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

PWSID

NE3105104

State

South Dakota

City

VERMILLION

Population served

86

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

13

Violations on record

1

Unaddressed

9

Health-based

39

Enforcement actions

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

Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed
Other · EPA contaminant 7000 began Jul 2002 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 2000 Resolved
Other · EPA contaminant 7000 began Oct 1999 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 1998 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 1998 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 1997 Resolved
Monitoring & reporting · Total coliform began Aug 1997 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 1996 Resolved
Max contaminant level (MCL) · Antimony health-based began Oct 1982 Resolved
Max contaminant level (MCL) · Antimony health-based began Sep 1982 Resolved
Max contaminant level (MCL) · Antimony health-based began Sep 1982 Resolved

Recent enforcement actions

  • State action · SIE Oct 2024
  • State action · SIA Oct 2024
  • EPA/federal action · EOX Jan 2021
  • State action · SOX Aug 2002
  • State action · SIA Aug 2002
  • State action · SOX May 2001
  • State action · SIF May 2000
  • State action · SIE May 2000

This profile is built from EPA public records for system NE3105104 — 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.