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Water system · PWSID 055295704

RIDGELAND

ONEIDA, WI · ~691 people served

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

PWSID

055295704

State

Wisconsin

City

ONEIDA

Population served

691

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

27

Violations on record

0

Unaddressed

0

Health-based

11

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Oct 2025 Resolved
Monitoring · Lead & Copper Rule began Aug 2016 Resolved
Monitoring & reporting · EPA contaminant 2992 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2987 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2991 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2378 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2985 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2981 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2990 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2984 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2976 began Jan 1996 Resolved
Monitoring & reporting · EPA contaminant 2996 began Jan 1996 Resolved

Recent enforcement actions

  • EPA/federal action · EOX Nov 2025
  • EPA/federal action · EIE Nov 2025
  • EPA/federal action · EIA Nov 2025
  • EPA/federal action · EOX Sep 2016
  • EPA/federal action · EOX Nov 1997
  • EPA/federal action · EIF Oct 1997
  • EPA/federal action · EIE Sep 1997
  • EPA/federal action · EIA Sep 1997

This profile is built from EPA public records for system 055295704 — 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.