OHA Drinking Water Services
OR41
PWS ID: 00540 ---- MONROE, CITY OF

Most Recent Water System Survey
Survey date: Aug 06, 2025
Notification date: Sep 18, 2025 (43 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 Overdue on compliance scheduleNov 06, 2025 Overdue
Monitoring & Reporting Unaddressed MCL violationsNov 06, 2025 Overdue
Cross Connection Annual summary report not issued (CWS)Nov 06, 2025 Nov 06, 2025
Disinfection DPD/EPA approved method not usedNov 06, 2025 Oct 08, 2025
Surface Water Treatment Turbidimeters not calibrated per manufacturer or at least quarterlyNov 06, 2025 Oct 08, 2025


 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) 08/06/2025 3 YR  * 09/18/2025 (43) REGION 2 Show details
Sanitary Survey, Finished (SNSV) 08/10/2022 3 YR  * 09/22/2022 (43) REGION 2 Show details
Water Treatment Plant Site Visit (TRTP) 08/10/2022 6 MN 03/02/2023 09/22/2022 (43) REGION 2 No details
Sanitary Survey, Finished (SNSV) 08/29/2019 3 YR  * 10/14/2019 (46) REGION 2 Hide details
 
Category Significant deficiency or unmet rule requirement Due date Resolved date
Finished Water Storage No flap valve, screen, or equivalent on overflow or drainDec 02, 2019 § * Dec 18, 2019 - Late
Operator Certification No protocol for under certified operatorDec 02, 2019 Dec 03, 2019 - Late
Disinfection Unable to demonstrate minimum CTs are metDec 02, 2019 § * Dec 18, 2019 - Late
Disinfection Failure to calculate CT values correctlyAug 05, 2020 § * Jul 29, 2020
§ A "Failure to Correct Deficiencies" reminder letter was sent to the water system for this significant deficiency or unmet rule requirement.
* A corrective action plan has been submitted for this significant deficiency or unmet rule requirement.
Water Treatment Plant Site Visit (TRTP) 08/29/2019 1 YR 08/29/2020 10/14/2019 (46) REGION 2 No details
Sanitary Survey, Finished (SNSV) 12/30/2015 3 YR  * 03/23/2016 (84) REGION 2 Show details
Water Treatment Plant Site Visit (TRTP) 12/30/2015 3 YR 12/30/2018 03/23/2016 (84) REGION 2 No details
Sanitary Survey, Finished (SNSV) 07/18/2012 3 YR  * 09/28/2012 (72) DWP Show details
Water Treatment Plant Site Visit (TRTP) 07/18/2012 3 YR 07/18/2015 09/28/2012 (72) DWP Show details
Water Treatment Plant Site Visit (TRTP) 05/07/2010 3 YR 05/07/2013 06/30/2010 (54) REGION 2 No details
Sanitary Survey, Finished (SNSV) 04/14/2009 3 YR  * 05/27/2009 (43) REGION 2 Show details
Water Treatment Plant Site Visit (TRTP) 04/14/2009 1 YR 04/14/2010 05/27/2009 (43) REGION 2 Show details
Sanitary Survey, Finished (SNSV) 06/10/2005 3 YR  * 06/29/2005 (19) BENTON COUNTY Show details