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Water system · PWSID OR4100209

SUMNER WATER CORPORATION

COOS BAY, OR · ~50 people served

Check your exact address → COOS BAY overview
100
Excellent
PurityRadar safety score

PWSID

OR4100209

State

Oregon

City

COOS BAY

Population served

50

Primary source

Surface water

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

277

Violations on record

2

Unaddressed

5

Health-based

54

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Jul 2025 Unaddressed
Treatment technique · EPA contaminant 0200 health-based began Jan 2022 Unaddressed
Monitoring & reporting · EPA contaminant 2979 began Jul 2024 Resolved
Monitoring & reporting · EPA contaminant 2968 began Jul 2024 Resolved
Monitoring & reporting · EPA contaminant 2977 began Jul 2024 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2024 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jul 2024 Resolved
Monitoring & reporting · EPA contaminant 2378 began Jul 2024 Resolved
Monitoring & reporting · EPA contaminant 2955 began Jul 2024 Resolved
Monitoring & reporting · EPA contaminant 2964 began Jul 2024 Resolved
Monitoring & reporting · EPA contaminant 2976 began Jul 2024 Resolved
Monitoring & reporting · EPA contaminant 2969 began Jul 2024 Resolved

Recent enforcement actions

  • State action · SOX Dec 2024
  • State action · SOX Dec 2024
  • State action · SOX Dec 2024
  • State action · SOX Dec 2024
  • State action · SOX Dec 2024
  • State action · SOX Dec 2024
  • State action · SOX Dec 2024
  • State action · SOX Dec 2024

This profile is built from EPA public records for system OR4100209 — 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.