OHA Drinking Water Services
OR41
PWS ID: 00548 ---- CLARKS BRANCH WATER ASSOC

Most Recent Water System Survey
Survey date: Apr 29, 2025
Notification date: Jun 12, 2025 (44 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
Disinfection No means to adequately determine flow rate on contact chamber effluent lineJul 31, 2025 Overdue
Surface Water Treatment Incorrect location for turbidity monitoringDec 01, 2025 * Overdue
Management & Operations Public notice not issued as requiredJul 31, 2025 Jul 30, 2025
Surface Water Treatment Conventional or direct filtration: Turbidity profile not conducted on individual filters at least quarterlyJul 31, 2025 Jul 30, 2025
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) 04/29/2025 3 YR  * 06/12/2025 (44) REGION 2 Show details
Sanitary Survey, Finished (SNSV) 08/27/2020 5 YR  * 09/25/2020 (29) REGION 2 Show details
Water Treatment Plant Site Visit (TRTP) 08/27/2020 3 YR 08/27/2023 09/25/2020 (29) REGION 2 No details
Sanitary Survey, Finished (SNSV) 12/01/2017 3 YR  * 02/14/2018 (75) REGION 2 Hide details
 
Category Significant deficiency or unmet rule requirement Due date Resolved date
Cross Connection Annual summary report not issued (CWS)Apr 04, 2018 Apr 04, 2018
Water Treatment Plant Site Visit (TRTP) 12/01/2017 3 YR 12/01/2020 02/14/2018 (75) REGION 2 No details
Sanitary Survey, Finished (SNSV) 11/14/2014 3 YR  * 01/14/2015 (61) REGION 2 Show details
Water Treatment Plant Site Visit (TRTP) 11/14/2014 3 YR 11/14/2017 01/14/2015 (61) REGION 2 No details
Sanitary Survey, Finished (SNSV) 04/13/2011 3 YR  * REGION 2 Show details
Water Treatment Plant Site Visit (TRTP) 04/13/2011 3 YR 04/13/2014 REGION 2 No details
Sanitary Survey, Finished (SNSV) 05/20/2008 3 YR  * REGION 2 No details
Water Treatment Plant Site Visit (TRTP) 05/20/2008 3 YR 05/20/2011 REGION 2 No details
Sanitary Survey, Finished (SNSV) 02/22/2005 3 YR  * DWP Show details
Water Treatment Plant Site Visit (TRTP) 02/22/2005 3 YR 02/22/2008 02/22/2005 (0) REGION 2 No details