OHA Drinking Water Services
OR41
PWS ID: 01233 ---- DEER ISLAND WATERWORKS

Most Recent Water System Survey
Survey date: Dec 12, 2025
Notification date: Jan 03, 2026 (22 days)
Regulating agency: COLUMBIA COUNTY
Survey frequency: 3 YR  -  Visit the Water System Surveys page to see the list of surveys due each year.
Significant deficiencies and unmet rule requirements:
Category Significant deficiency or unmet rule requirement Due date Resolved date
Cross Connection Annual summary report not issued (CWS)May 09, 2026
Management & Operations No operations and maintenance manualMay 09, 2026
Management & Operations Emergency response plan not completed (CWS, NTNC)May 09, 2026
Management & Operations Annual CCR not distributed (CWS)May 09, 2026
Monitoring & Reporting Monitoring not currentMay 09, 2026
Monitoring & Reporting Unaddressed MCL violationsMay 09, 2026
Operator Certification No DRC at required certification level May 09, 2026
Bold text indicates a significant deficiency. All others are unmet rule requirements.


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