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.
Significant deficiencies and unmet rule requirements:
Category Significant deficiency or unmet rule requirement Due date Resolved date
Management & Operations Master plan not current (≥ 300 connections)Jun 30, 2026 *
Bold text indicates a significant deficiency. All others are unmet rule requirements.
* A corrective action plan has been submitted for this significant deficiency or unmet rule requirement.


 Hide Site Visit History
Water System Site Visit History
Reason Visit date Frequency Next due Notification date
(Days after survey)
Responsible
agency
Comments and
significant deficiencies or unmet rule requirements
Sanitary Survey, Finished (SNSV) 10/10/2025 3 YR  * 10/24/2025 (14) REGION 2 Hide details
 
Category Significant deficiency or unmet rule requirement Due date Resolved date
Management & Operations Master plan not current (≥ 300 connections)Jun 30, 2026 *
* A corrective action plan has been submitted for this significant deficiency or unmet rule requirement.
Sanitary Survey, Finished (SNSV) 10/20/2022 3 YR  * 11/28/2022 (39) REGION 2 No 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 Show details
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