OHA Drinking Water Services
OR41
PWS ID: 94063 ---- WEST LINN/WILSONVILLE SD

Most Recent Water System Survey
Survey Date: Aug 07, 2025
Notification Date: Sep 12, 2025 (36 days)
Regulating Agency: CLACKAMAS COUNTY
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
Operator Certification No certified operator at required levelJan 16, 2026 Jan 15, 2026
UV Disinfection Bypass around UV systemJan 16, 2026 Jan 15, 2026


 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) 08/07/2025 5 YR  * 09/12/2025 (36) CLACKAMAS COUNTY Show details
Sanitary Survey, Finished (SNSV) 09/30/2020 5 YR  * 10/28/2020 (28) CLACKAMAS COUNTY Show details
Sanitary Survey, Finished (SNSV) 06/23/2015 5 YR  * 08/06/2015 (44) CLACKAMAS COUNTY Show details
Sanitary Survey, Finished (SNSV) 06/29/2010 5 YR  * 08/10/2010 (42) CLACKAMAS COUNTY Show details
Sanitary Survey, Finished (SNSV) 05/26/2005 5 YR  * CLACKAMAS COUNTY Show details