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.
Deficiencies:
Category Deficiency Due Date Resolved Date
Finished Water Storage No flap valve, screen, or equivalent on overflowJun 09, 2026
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) 01/08/2026 5 YR  * 02/03/2026 (26) WASCO COUNTY Show details
Sanitary Survey, Finished (SNSV) 07/25/2019 5 YR  * 07/29/2019 (4) WASCO COUNTY Show details
Sanitary Survey, Finished (SNSV) 07/31/2014 5 YR  * 12/22/2014 (144) WASCO COUNTY Show 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