OHA Drinking Water Services
OR41
PWS ID: 95174 ---- COLUMBIA RIVER DAIRY

Most Recent Water System Survey
Survey Date: Oct 30, 2025
Notification Date: Nov 04, 2025 (5 days)
Regulating Agency: DEPT OF AGRICULTURE
Survey Frequency: 5 YR  -  Visit the Water System Surveys page to see the list of surveys due each year.
Deficiencies:
Category Deficiency Due Date Resolved Date
Well Construction No screen on existing well ventMar 10, 2026 Overdue
Disinfection Chlorine not measured & recorded as requiredMar 10, 2026 Overdue
Bold text indicates that resolving this deficiency is a top priority.


 Hide Site Visit History
Water System Site Visit History
Reason Visit Date Frequency Next Due Notification Date
(Days after survey)		 Responsible
Agency		 Comments and
Deficiencies
Sanitary Survey, Finished (SNSV) 10/30/2025 5 YR  * 11/04/2025 (5) DEPT OF AGRICULTURE Show details
Sanitary Survey, Finished (SNSV) 07/30/2019 5 YR  * 09/05/2019 (37) DWP Show details
Sanitary Survey, Finished (SNSV) 08/27/2014 5 YR  * 12/23/2014 (118) DEPT OF AGRICULTURE Hide details
 
Category Deficiency Due Date Resolved Date
Management & Operations No operations and maintenance manualApr 28, 2015 Overdue
Management & Operations Major modifications not approved (plan review)Apr 28, 2015 Overdue
Well Construction Sanitary seal and casing not watertightApr 28, 2015 Apr 28, 2016 - Late
Sanitary Survey, Finished (SNSV) 12/19/2008 5 YR  * 01/09/2009 (21) DEPT OF AGRICULTURE No details
Sanitary Survey, Finished (SNSV) 05/28/2004 5 YR  * DEPT OF AGRICULTURE Show details