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Water system · PWSID OR4100827

SNO-CAP WATER SYSTEM

SISTERS, OR · ~90 people served

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

PWSID

OR4100827

State

Oregon

City

SISTERS

Population served

90

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

85

Violations on record

0

Unaddressed

6

Health-based

41

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2025 Resolved
Other · EPA contaminant 7000 began Oct 2024 Resolved
Monitoring · Lead & Copper Rule began Jul 2024 Resolved
Max contaminant level (MCL) · Lead & Copper Rule health-based began Jul 2022 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2011 Resolved
Monitoring & reporting · EPA contaminant 3014 began Oct 2011 Resolved
Monitoring & reporting · Arsenic began Jan 2011 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2010 Resolved
Monitoring & reporting · Nitrate began Jan 2004 Resolved
Monitoring & reporting · Nitrate began Jan 2004 Resolved
Monitoring & reporting · Total coliform began Aug 2002 Resolved
Monitoring & reporting · Total coliform began Jul 2002 Resolved

Recent enforcement actions

  • State action · SOX Sep 2025
  • State action · SOX Nov 2024
  • State action · SOX Aug 2024
  • State action · SIF Oct 2022
  • State action · SOX Sep 2022
  • State action · SIF Jul 2022
  • State action · SIE Jul 2022
  • State action · SOX Jun 2015

This profile is built from EPA public records for system OR4100827 — 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.