OHA Drinking Water Services
OR41
PWS ID: 94200 ---- USACE DALLES/JD-THE DALLES DAM

Most Recent Water System Survey
Survey date: Jan 08, 2026
Notification date: Feb 03, 2026 (26 days)
Regulating agency: WASCO 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
Finished Water Storage No flap valve, screen, or equivalent on overflow or drainJun 09, 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) 01/08/2026 5 YR  * 02/03/2026 (26) WASCO COUNTY Hide details
 
Category Significant deficiency or unmet rule requirement Due date Resolved date
Finished Water Storage No flap valve, screen, or equivalent on overflow or drainJun 09, 2026
Sanitary Survey, Finished (SNSV) 07/25/2019 5 YR  * 07/29/2019 (4) WASCO COUNTY No details
Sanitary Survey, Finished (SNSV) 07/31/2014 5 YR  * 12/22/2014 (144) WASCO COUNTY No details
Sanitary Survey, Finished (SNSV) 10/13/2009 5 YR  * 01/27/2010 (106) SHERMAN COUNTY Show details
Sanitary Survey, Finished (SNSV) 09/07/2004 5 YR  * WASCO COUNTY Show details