OHA Drinking Water Services
OR41
PWS ID: 00239 ---- LONDON WATER CO-OP

Most Recent Water System Survey
Survey Date: Oct 14, 2022
Notification Date: Feb 02, 2023 (111 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 PNC or out of compliance with AOJun 10, 2025 *
Operator Certification No certified operator at required levelJun 10, 2025 *
Operator Certification No protocol for under-certified operatorJun 10, 2025 *
UV Disinfection Bypass around UV systemJun 10, 2025 *
Cross Connection Annual summary report not issued (CWS)Mar 23, 2023 Mar 21, 2023
Management & Operations Annual CCR not submitted (CWS)Mar 23, 2023 May 31, 2023 - Late
Management & Operations Public notice not issued as requiredMar 23, 2023 Mar 01, 2023
Monitoring & Reporting No coliform sampling planMar 23, 2023 Mar 21, 2023
Disinfection Chlorine not measured & recorded as requiredMar 23, 2023 Mar 09, 2023
Surface Water Treatment For conventional or direct filtration: Turbidity profile not conducted on individual filters at least quarterlyMar 23, 2023 Mar 22, 2023
Surface Water Treatment Turbidimeters not calibrated per manufacturer or at least quarterlyApr 28, 2023 * Mar 22, 2023
* 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) 10/14/2022 3 YR  * 02/02/2023 (111) REGION 2 Show details
Water Treatment Plant Site Visit (TRTP) 10/14/2022 6 MN 04/14/2023 02/02/2023 (111) REGION 2 No details
Sanitary Survey, Finished (SNSV) 09/11/2019 3 YR  * 11/20/2019 (70) REGION 2 Show details
Water Treatment Plant Site Visit (TRTP) 09/11/2019 6 MN 03/11/2020 11/20/2019 (70) REGION 2 No details
Sanitary Survey, Finished (SNSV) 07/07/2016 3 YR  * 07/14/2016 (7) REGION 2 Show details
Water Treatment Plant Site Visit (TRTP) 07/07/2016 1 YR 07/07/2017 07/14/2016 (7) REGION 2 No details
Sanitary Survey, Finished (SNSV) 05/28/2013 3 YR  * 08/29/2013 (93) REGION 2 No details
Water Treatment Plant Site Visit (TRTP) 05/28/2013 6 MN 11/28/2013 08/29/2013 (93) REGION 2 No details
Sanitary Survey, Finished (SNSV) 03/10/2010 3 YR  * 04/20/2010 (41) REGION 2 No details
Water Treatment Plant Site Visit (TRTP) 12/29/2010 6 MN 06/29/2011 03/02/2011 (63) REGION 2 Show details
Water Treatment Plant Site Visit (TRTP) 03/10/2010 6 MN 09/10/2010 04/20/2010 (41) REGION 2 No details
Sanitary Survey, Finished (SNSV) 04/17/2007 3 YR  * 05/22/2007 (35) REGION 2 No details
Water Treatment Plant Site Visit (TRTP) 04/17/2007 6 MN 10/17/2007 05/22/2007 (35) REGION 2 No details
Sanitary Survey, Finished (SNSV) 03/28/2002 3 YR  * DWP Show details
 



More information for this water system: SDWIS ID 3944
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