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.
Deficiencies:
Category Deficiency Due Date Resolved Date
Surface Water Treatment Incorrect location for compliance turbidity monitoringDec 01, 2025 *
Disinfection No means to adequately determine flow rate on contact chamber effluent lineDec 01, 2026 *
Management & Operations Public notice not issued as requiredJul 31, 2025 Jul 30, 2025
Surface Water Treatment For conventional or direct filtration: Turbidity profile not conducted on individual filters at least quarterlyJul 31, 2025 Jul 30, 2025
Bold text indicates that resolving this deficiency is a top priority.
* 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) 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 Show details
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 Hide details
  No deficiencies were identified.

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
 




More information for this water system: SDWIS ID 3972
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