OHA Drinking Water Services
OR41
PWS ID: 00792 ---- SCAPPOOSE, CITY OF

Most Recent Water System Survey
Survey Date: Oct 15, 2025
Notification Date: Dec 15, 2025 (61 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
Management & Operations No operations and maintenance manualDec 31, 2026 *
* Corrective Action Plan has been submitted for this deficiency.


 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) 10/15/2025 3 YR  * 12/15/2025 (61) REGION 1 Show details
Sanitary Survey, Finished (SNSV) 11/09/2022 3 YR  * 12/27/2022 (48) REGION 1 Show details
Water Treatment Plant Site Visit (TRTP) 11/09/2022 3 YR 11/09/2025 12/27/2022 (48) REGION 1 No details
Sanitary Survey, Finished (SNSV) 10/09/2019 3 YR  * 02/28/2020 (142) REGION 1 Show details
Water Treatment Plant Site Visit (TRTP) 10/09/2019 3 YR 10/09/2022 02/28/2020 (142) REGION 1 No details
Sanitary Survey, Finished (SNSV) 11/03/2016 3 YR  * 11/28/2016 (25) REGION 1 Show details
Water Treatment Plant Site Visit (TRTP) 11/03/2016 3 YR 11/03/2019 11/28/2016 (25) REGION 1 No details
Sanitary Survey, Finished (SNSV) 07/18/2013 3 YR  * 08/22/2013 (35) REGION 1 Show details
Water Treatment Plant Site Visit (TRTP) 07/18/2013 3 YR 07/18/2016 08/22/2013 (35) REGION 1 Show details
Water Treatment Plant Site Visit (TRTP) 01/05/2012 3 YR 01/05/2015 01/19/2012 (14) REGION 1 Hide details
  Comments:
The deficiencies noted are as follows:

Treatment Deficiencies
Turbidimeters not calibrated per manufacturer’s recommendations or at least quarterly.
Chlorine residuals are not recorded as required.


Sanitary Survey, Finished (SNSV) 11/04/2010 3 YR  * 12/10/2010 (36) REGION 1 Show details
Water Treatment Plant Site Visit (TRTP) 11/04/2010 1 YR 11/04/2011 12/10/2010 (36) REGION 1 Show details
Sanitary Survey, Finished (SNSV) 01/10/2007 3 YR  * 03/07/2007 (56) REGION 1 No details
Sanitary Survey, Finished (SNSV) 07/30/2002 3 YR  * DWP Show details