OHA Drinking Water Services
OR41
PWS ID: 93609 ---- MINIKAHDA WATER SYSTEM

Most Recent Water System Survey
Survey Date: Jun 24, 2025
Notification Date: Jul 01, 2025 (7 days)
Regulating Agency: DWS (REGION 1)
Survey Frequency: 5 YR  -  Visit the Water System Surveys page to see the list of surveys due each year.
Deficiencies:
Category Deficiency Due Date Resolved Date
Disinfection Minimum CT requirement not met all timesAug 19, 2025 Jan 30, 2025
Surface Water Treatment Turbidity standards not metAug 19, 2025 Dec 09, 2023


 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) 06/24/2025 5 YR  * 07/01/2025 (7) REGION 1 Hide details
 
Category Deficiency Due Date Resolved Date
Disinfection Minimum CT requirement not met all timesAug 19, 2025 Jan 30, 2025
Surface Water Treatment Turbidity standards not metAug 19, 2025 Dec 09, 2023
Sanitary Survey, Finished (SNSV) 09/28/2020 5 YR  * 10/23/2020 (25) REGION 1 Show details
Water Treatment Plant Site Visit (TRTP) 09/28/2020 5 YR 09/28/2025 10/23/2020 (25) REGION 1 No details
Sanitary Survey, Finished (SNSV) 10/28/2015 5 YR  * 03/04/2016 (128) REGION 1 Show details
Water Treatment Plant Site Visit (TRTP) 10/28/2015 1 YR 10/28/2016 03/04/2016 (128) REGION 1 No details
Sanitary Survey, Finished (SNSV) 11/30/2010 3 YR  * 02/07/2011 (69) CLACKAMAS COUNTY Show details
Sanitary Survey, Finished (SNSV) 10/31/2005 5 YR  * 11/28/2005 (28) CLACKAMAS COUNTY No details
Sanitary Survey, Finished (SNSV) 09/15/1986 5 YR  * DWP Show details
 



More information for this water system: SDWIS ID 3185
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