OHA Drinking Water Services
OR41
PWS ID: 00581 ---- OAKLAND, CITY OF

Most Recent Water System Survey
Survey date: Nov 14, 2024
Notification date: Dec 11, 2024 (27 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 Major modifications not approved (plan review)Jan 29, 2025 Dec 27, 2024
Monitoring & Reporting Monitoring not currentJan 29, 2025 Jan 21, 2025
Disinfection Failure to calculate CT values correctlyFeb 28, 2026 * Jan 30, 2026
Disinfection No means to adequately determine disinfection contact time under peak flow and minimum storage conditionsFeb 28, 2026 * Jan 30, 2026
* 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) 11/14/2024 3 YR  * 12/11/2024 (27) REGION 2 Hide details
 
Category Significant deficiency or unmet rule requirement Due date Resolved date
Management & Operations Major modifications not approved (plan review)Jan 29, 2025 Dec 27, 2024
Monitoring & Reporting Monitoring not currentJan 29, 2025 Jan 21, 2025
Disinfection Failure to calculate CT values correctlyFeb 28, 2026 * Jan 30, 2026
Disinfection No means to adequately determine disinfection contact time under peak flow and minimum storage conditionsFeb 28, 2026 * Jan 30, 2026
* A corrective action plan has been submitted for this significant deficiency or unmet rule requirement.
Water Treatment Plant Site Visit (TRTP) 11/14/2024 3 YR 11/14/2027 12/11/2024 (27) REGION 2 No details
Sanitary Survey, Finished (SNSV) 05/21/2021 3 YR  * 07/22/2021 (62) REGION 2 Show details
Water Treatment Plant Site Visit (TRTP) 05/21/2021 3 YR 05/21/2024 07/22/2021 (62) REGION 2 No details
Sanitary Survey, Finished (SNSV) 11/20/2017 3 YR  * 02/05/2018 (77) REGION 2 Show details
Sanitary Survey, Finished (SNSV) 11/12/2013 3 YR  * 12/12/2013 (30) DWP Show details
Water Treatment Plant Site Visit (TRTP) 11/12/2013 3 YR 11/12/2016 12/12/2013 (30) DWP No details
Sanitary Survey, Finished (SNSV) 04/07/2010 3 YR  * REGION 2 No details
Water Treatment Plant Site Visit (TRTP) 04/07/2010 3 YR 04/07/2013 REGION 2 No details
Sanitary Survey, Finished (SNSV) 09/18/2007 3 YR  * 09/18/2007 (0) REGION 2 No details
Water Treatment Plant Site Visit (TRTP) 09/18/2007 3 YR 09/18/2010 09/18/2007 (0) REGION 2 No details
Sanitary Survey, Finished (SNSV) 05/17/2005 3 YR  * DWP Show details
Water Treatment Plant Site Visit (TRTP) 05/17/2005 3 YR 05/17/2008 05/17/2005 (0) REGION 2 No details