OHA Drinking Water Services
OR41
PWS ID: 00932 ---- WARRENTON, CITY OF

Most Recent Water System Survey
Survey date: Nov 08, 2023
Notification date: Dec 29, 2023 (51 days)
Regulating agency: DWS (REGION 1)
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
Surface Water Treatment Membrane filtration: Direct integrity testing does not meet requirementsFeb 16, 2024 Feb 13, 2024


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