OHA Drinking Water Services
OR41
PWS ID: 00493 ---- LYONS MEHAMA WATER DISTRICT

Most Recent Water System Survey
Survey Date: Aug 18, 2025
Notification Date: Sep 19, 2025 (32 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
Cross Connection No ordinance or enabling authority (CWS)Nov 07, 2025
Cross Connection Annual summary report not issued (CWS)Nov 07, 2025
Cross Connection Testing records not current (CWS, NTNC, TNC)Nov 07, 2025
Cross Connection No cross connection control specialist (CWS ≥300 connections)Nov 07, 2025
Finished Water Storage Roof and access hatch not watertightNov 07, 2025
Finished Water Storage No flap valve, screen, or equivalent on overflowNov 07, 2025
Management & Operations Emergency response plan not completedNov 07, 2025
Management & Operations Major modifications not approved (plan review)Nov 07, 2025
Management & Operations Annual CCR not submitted (CWS)Nov 07, 2025
Monitoring & Reporting Monitoring not currentNov 07, 2025
Operator Certification No protocol for under-certified operatorNov 07, 2025
Bold text indicates that resolving this deficiency is a top priority.


 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) 08/18/2025 3 YR  * 09/19/2025 (32) REGION 2 Hide details
 
Category Deficiency Due Date Resolved Date
Cross Connection No ordinance or enabling authority (CWS)Nov 07, 2025
Cross Connection Annual summary report not issued (CWS)Nov 07, 2025
Cross Connection Testing records not current (CWS, NTNC, TNC)Nov 07, 2025
Cross Connection No cross connection control specialist (CWS ≥300 connections)Nov 07, 2025
Finished Water Storage Roof and access hatch not watertightNov 07, 2025
Finished Water Storage No flap valve, screen, or equivalent on overflowNov 07, 2025
Management & Operations Emergency response plan not completedNov 07, 2025
Management & Operations Major modifications not approved (plan review)Nov 07, 2025
Management & Operations Annual CCR not submitted (CWS)Nov 07, 2025
Monitoring & Reporting Monitoring not currentNov 07, 2025
Operator Certification No protocol for under-certified operatorNov 07, 2025
Sanitary Survey, Finished (SNSV) 07/27/2022 3 YR  * 08/31/2022 (35) REGION 2 Show details
Water Treatment Plant Site Visit (TRTP) 07/27/2022 3 YR 07/27/2025 08/31/2022 (35) REGION 2 No details
Sanitary Survey, Finished (SNSV) 11/27/2019 3 YR  * 01/30/2020 (64) DWP Show details
Water Treatment Plant Site Visit (TRTP) 11/27/2019 3 YR 11/27/2022 01/30/2020 (64) DWP No details
Sanitary Survey, Finished (SNSV) 11/15/2016 3 YR  * 01/19/2017 (65) REGION 2 Show details
Water Treatment Plant Site Visit (TRTP) 11/15/2016 3 YR 11/15/2019 01/19/2017 (65) REGION 2 No details
Sanitary Survey, Finished (SNSV) 10/25/2013 3 YR  * 11/01/2013 (7) REGION 2 Show details
Water Treatment Plant Site Visit (TRTP) 10/25/2013 3 YR 10/25/2016 11/01/2013 (7) REGION 2 No details
Water Treatment Plant Site Visit (TRTP) 03/10/2011 3 YR 03/10/2014 03/29/2011 (19) REGION 2 No details
Sanitary Survey, Finished (SNSV) 08/12/2010 3 YR  * 08/27/2010 (15) REGION 2 Show details
Water Treatment Plant Site Visit (TRTP) 08/12/2010 6 MN 02/12/2011 08/27/2010 (15) REGION 2 No details
Sanitary Survey, Finished (SNSV) 05/30/2007 3 YR  * 05/14/2008 (350) DWP Show details
Sanitary Survey, Finished (SNSV) 04/03/2002 3 YR  * DWP Show details
 



More information for this water system: SDWIS ID 3967
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