OHA Drinking Water Services
OR41
PWS ID: 00968 ---- YAMHILL, CITY OF

Most Recent Water System Survey
Survey Date: Nov 13, 2025
Notification Date: Jan 02, 2026 (50 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.
Deficiencies:
Category Deficiency Due Date Resolved Date
Disinfection No means to adequately determine disinfection contact time under peak flow and minimum storage conditionsFeb 20, 2026 Overdue
Surface Water Treatment Incorrect location for compliance turbidity monitoringFeb 20, 2026 Overdue
Bold text indicates that resolving this deficiency is a top priority.


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