OHA Drinking Water Services
OR41
PWS ID: 00543 ---- MOSIER, CITY OF

Most Recent Water System Survey
Survey date: Apr 11, 2025
Notification date: May 17, 2025 (36 days)
Regulating agency: WASCO COUNTY
Survey frequency: 3 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
Cross Connection Annual summary report not issued (CWS)Mar 31, 2026 * Overdue
Finished Water Storage Roof and access hatch not watertight or adequately securedNov 15, 2025 * Oct 28, 2025
Finished Water Storage No screened ventNov 15, 2025 * Oct 29, 2025
Monitoring & Reporting No coliform sampling planNov 15, 2025 * Nov 26, 2025 - Late
Monitoring & Reporting Monitoring not currentDec 31, 2025 * Nov 26, 2025
* A corrective action plan has been submitted for this significant deficiency or unmet rule requirement.


 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) 04/11/2025 3 YR  * 05/17/2025 (36) WASCO COUNTY Show details
Sanitary Survey, Finished (SNSV) 09/22/2021 3 YR  * 10/25/2021 (33) WASCO COUNTY Show details
Sanitary Survey, Finished (SNSV) 09/14/2017 3 YR  * 10/19/2017 (35) WASCO COUNTY Show details
Sanitary Survey, Finished (SNSV) 11/19/2014 5 YR  * 11/19/2014 (0) WASCO COUNTY Show details
Sanitary Survey, Finished (SNSV) 05/24/2011 3 YR  * 07/28/2011 (65) WASCO COUNTY Show details
Sanitary Survey, Finished (SNSV) 06/25/2008 3 YR  * 07/07/2008 (12) WASCO COUNTY No details
Sanitary Survey, Finished (SNSV) 06/24/1992 3 YR  * DWP Show details