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.
Significant deficiencies and unmet rule requirements:
Category Significant deficiency or unmet rule requirement Due date Resolved date
Operator Certification No DRC at required certification level Jan 16, 2026 Jan 15, 2026
Bold text indicates a significant deficiency. All others are unmet rule requirements.


 Hide Site Visit History
Water System Site Visit History
Reason Visit date Frequency Next due Notification date
(Days after survey)
Responsible
agency
Comments and
significant deficiencies or unmet rule requirements
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 Hide details
 
Category Significant deficiency or unmet rule requirement Due date Resolved date
Management & Operations Major modifications not approved (plan review)Dec 10, 2015 Mar 03, 2021 - Late
Well Construction Unscreened well ventDec 10, 2015 May 25, 2016 - Late
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