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Water system · PWSID OR4101241

ZIG ZAG WATER CO-OP

WELCHES, OR · ~60 people served

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

PWSID

OR4101241

State

Oregon

City

WELCHES

Population served

60

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

92

Violations on record

0

Unaddressed

10

Health-based

54

Enforcement actions

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

Other · EPA contaminant 7000 began Oct 2023 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2022 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2022 Resolved
Monitoring & reporting · Nitrate began Jan 2021 Resolved
Other · EPA contaminant 7500 began Sep 2014 Resolved
Monitoring & reporting · EPA contaminant 3014 began Jul 2014 Resolved
Monitoring & reporting · Total coliform began Jul 2014 Resolved
Monitoring & reporting · Combined radium-226/228 began Apr 2014 Resolved
Monitoring & reporting · Uranium began Jan 2014 Resolved
Monitoring & reporting · Combined radium-226/228 began Jan 2014 Resolved
Monitoring & reporting · Combined radium-226/228 began Jul 2013 Resolved
Monitoring & reporting · Uranium began Jul 2013 Resolved

Recent enforcement actions

  • State action · SOX Oct 2024
  • State action · SOX Oct 2023
  • State action · SOX Mar 2022
  • State action · SIF Jan 2021
  • State action · SOX Dec 2020
  • State action · SOX Oct 2014
  • State action · SOX Sep 2014
  • State action · SIE Aug 2014

This profile is built from EPA public records for system OR4101241 — 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.