OHA Drinking Water Services
OR41
PWS ID: 00236 ---- COTTAGE GROVE, CITY OF

Most Recent Water System Survey
Survey Date: Oct 10, 2025
Notification Date: Oct 24, 2025 (14 days)
Regulating Agency: DWS (REGION 2)
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 Master plan not current (≥ 300 con.)Dec 12, 2025


 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) 10/10/2025 3 YR  * 10/24/2025 (14) REGION 2 Show details
Sanitary Survey, Finished (SNSV) 10/20/2022 3 YR  * 11/28/2022 (39) REGION 2 Show details
Water Treatment Plant Site Visit (TRTP) 10/20/2022 3 YR 10/20/2025 11/28/2022 (39) REGION 2 No details
Sanitary Survey, Finished (SNSV) 10/20/2017 5 YR  * 11/09/2017 (20) REGION 2 Show details
Water Treatment Plant Site Visit (TRTP) 10/20/2017 5 YR 10/20/2022 11/09/2017 (20) REGION 2 No details
Sanitary Survey, Finished (SNSV) 11/20/2012 5 YR  * 02/06/2013 (78) REGION 2 Hide details
  Outstanding performer for this survey period.

No deficiencies were identified.

Water Treatment Plant Site Visit (TRTP) 11/20/2012 5 YR 11/20/2017 02/06/2013 (78) DWP No details
Sanitary Survey, Finished (SNSV) 12/17/2009 3 YR  * REGION 2 No details
Water Treatment Plant Site Visit (TRTP) 12/17/2009 3 YR 12/17/2012 REGION 2 No details
Water Treatment Plant Site Visit (TRTP) 05/28/2009 3 YR 05/28/2012 07/28/2009 (61) REGION 2 No details
Water Treatment Plant Site Visit (TRTP) 11/10/2008 1 YR 11/10/2009 11/18/2008 (8) REGION 2 No details
Water Treatment Plant Site Visit (TRTP) 02/03/2006 1 YR 02/03/2007 03/20/2006 (45) REGION 2 Show details
Sanitary Survey, Finished (SNSV) 02/02/2006 3 YR  * 03/20/2006 (46) REGION 2 No details
Water Treatment Plant Site Visit (TRTP) 02/02/2006 1 YR 02/02/2007 03/20/2006 (46) REGION 2 Show details
Sanitary Survey, Finished (SNSV) 12/05/2002 3 YR  * DWP Show details
 



More information for this water system: SDWIS ID 4293
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