OHA Drinking Water Services
OR41
PWS ID: 00719 ---- UMPQUA BASIN WATER ASSOC

Most Recent Water System Survey
Survey Date: Sep 12, 2025
Notification Date: Sep 24, 2025 (12 days)
Regulating Agency: DWS (REGION 2)
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
Management & Operations Public notice not issued as requiredNov 12, 2025 Overdue
Treatment Indirect integrity testing does not meet rule requirements Nov 12, 2025 Overdue
Disinfection Minimum CT requirement not met all timesNov 12, 2025 Overdue
Disinfection Failure to calculate CT values correctlyNov 12, 2025 Overdue
Surface Water Treatment For membrane filtration: Direct integrity testing does not meet rule requirementsNov 12, 2025 Overdue
Bold text indicates that resolving this deficiency is a top priority.


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More information for this water system: SDWIS ID 3904
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