OHA Drinking Water Services
OR41
PWS ID: 00665 ---- TUALATIN VALLEY WATER DISTRICT

Most Recent Water System Survey
Survey Date: Jun 07, 2023
Notification Date: Jun 26, 2023 (19 days)
Regulating Agency: DWS (REGION 1)
Survey Frequency: 3 YR  -  Visit the Water System Surveys page to see the list of surveys due each year.
Deficiencies:
Category Deficiency Due Date Resolved Date
Well Construction No screen on existing well ventAug 14, 2023 Jun 20, 2023


 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) 06/07/2023 3 YR  * 06/26/2023 (19) REGION 1 Show details
Sanitary Survey, Finished (SNSV) 10/01/2020 3 YR  * 12/13/2020 (73) REGION 1 Hide details
 
Category Deficiency Due Date Resolved Date
Finished Water Storage North Road Reservior hatch seal not watertight Schnell Reservoir no flap valveJan 31, 2021 Nov 09, 2020
Finished Water Storage Roof and access hatch not watertightJan 31, 2021 Jan 21, 2021
Finished Water Storage No flap valve, screen, or equivalent on overflowFeb 28, 2021 * Feb 19, 2021
* Corrective Action Plan has been submitted for this deficiency.
Sanitary Survey, Finished (SNSV) 09/21/2017 3 YR  * 10/19/2017 (28) REGION 1 Show details
Water Treatment Plant Site Visit (TRTP) 09/21/2017 3 YR 09/21/2020 10/19/2017 (28) REGION 1 No details
Sanitary Survey, Finished (SNSV) 09/10/2013 3 YR  * 09/30/2013 (20) REGION 1 Show details
Sanitary Survey, Finished (SNSV) 10/13/2009 3 YR  * 10/27/2009 (14) REGION 1 No details
Sanitary Survey, Finished (SNSV) 02/22/2006 3 YR  * 02/27/2006 (5) REGION 1 Show details
Sanitary Survey, Finished (SNSV) 04/11/2000 3 YR  * DWP Show details