OHA Drinking Water Services
OR41
PWS ID: 00457 ---- LAKE OSWEGO MUNICIPAL WATER

Most Recent Water System Survey
Survey Date: Jun 29, 2022
Notification Date: Aug 08, 2022 (40 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
Finished Water Storage No flap valve, screen, or equivalent on overflowSep 26, 2022 Aug 30, 2022


 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) 06/29/2022 3 YR  * 08/08/2022 (40) REGION 1 Show details
Sanitary Survey, Finished (SNSV) 06/26/2019 3 YR  * 07/25/2019 (29) REGION 1 Show details
Water Treatment Plant Site Visit (TRTP) 06/26/2019 3 YR 06/26/2022 07/25/2019 (29) REGION 1 No details
Sanitary Survey, Finished (SNSV) 09/27/2016 3 YR  * 12/19/2016 (83) REGION 1 Show details
Water Treatment Plant Site Visit (TRTP) 09/27/2016 3 YR 09/27/2019 12/19/2016 (83) REGION 1 No details
Sanitary Survey, Finished (SNSV) 03/28/2013 3 YR  * 06/14/2013 (78) DWP Show details
Sanitary Survey, Finished (SNSV) 03/24/2010 3 YR  * 05/14/2010 (51) DWP Show details
Water Treatment Plant Site Visit (TRTP) 03/24/2010 3 YR 03/24/2013 05/12/2010 (49) REGION 2 No details
Sanitary Survey, Finished (SNSV) 07/18/2007 3 YR  * 08/01/2008 (380) DWP Hide details
  Comments:
The deficiencies noted are as follows:

Finished Water Storage Deficiencies
1. Assure flap valves are in place on reservoir drains and overflows of Waluga, Forest Highlands, & Nansen reservoirs.

Surface Water Treatment Deficiencies
2. Print filter backwash turbidity profiles quarterly.


This site visit has not been entered into the deficiency database.

 



More information for this water system: SDWIS ID 4106
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