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Water system · PWSID 055294305

HINCKLEY

ONAMIA, MN · ~400 people served

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

PWSID

055294305

State

Minnesota

City

ONAMIA

Population served

400

Primary source

GWP

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

93

Violations on record

0

Unaddressed

0

Health-based

12

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2023. Official EPA record →

Monitoring & reporting · EPA contaminant 2976 began Oct 2022 Resolved
Monitoring & reporting · EPA contaminant 2981 began Oct 2022 Resolved
Monitoring & reporting · EPA contaminant 2955 began Oct 2022 Resolved
Monitoring & reporting · EPA contaminant 2969 began Oct 2022 Resolved
Monitoring & reporting · EPA contaminant 2979 began Oct 2022 Resolved
Monitoring & reporting · EPA contaminant 2980 began Oct 2022 Resolved
Monitoring & reporting · EPA contaminant 2378 began Oct 2022 Resolved
Monitoring & reporting · EPA contaminant 2380 began Oct 2022 Resolved
Monitoring & reporting · EPA contaminant 2964 began Oct 2022 Resolved
Monitoring & reporting · EPA contaminant 2968 began Oct 2022 Resolved
Monitoring & reporting · EPA contaminant 2977 began Oct 2022 Resolved
Monitoring & reporting · EPA contaminant 2982 began Oct 2022 Resolved

Recent enforcement actions

  • EPA/federal action · EOX Sep 2023
  • EPA/federal action · EOX Feb 2023
  • EPA/federal action · EIE Feb 2023
  • EPA/federal action · EIA Feb 2023
  • EPA/federal action · EIE Feb 2023
  • EPA/federal action · EIE Feb 2023
  • EPA/federal action · EIA Feb 2023
  • EPA/federal action · EIE Feb 2023

This profile is built from EPA public records for system 055294305 — 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.