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Water system · PWSID 055294301

VINELAND

ONAMIA, MN · ~4,220 people served

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

PWSID

055294301

State

Minnesota

City

ONAMIA

Population served

4,220

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

22

Violations on record

0

Unaddressed

0

Health-based

28

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2022. Official EPA record →

Monitoring & reporting · Nitrate began Jan 2021 Resolved
Monitoring & reporting · Antimony began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 1036 began Jan 2017 Resolved
Monitoring & reporting · Beryllium began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 1075 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 1085 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 1094 began Jan 2017 Resolved
Monitoring & reporting · Arsenic began Jan 2017 Resolved
Monitoring & reporting · Barium began Jan 2017 Resolved
Monitoring & reporting · Cadmium began Jan 2017 Resolved
Monitoring & reporting · Chromium (total) began Jan 2017 Resolved
Monitoring & reporting · Cyanide began Jan 2017 Resolved

Recent enforcement actions

  • EPA/federal action · EOX Jan 2022
  • EPA/federal action · EIA Jan 2022
  • EPA/federal action · EIE Jan 2022
  • EPA/federal action · EOX Jul 2020
  • EPA/federal action · EIF Jun 2020
  • EPA/federal action · EIE Feb 2020
  • EPA/federal action · EIA Feb 2020
  • EPA/federal action · EOX Feb 2017

This profile is built from EPA public records for system 055294301 — 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.