OHA Drinking Water Services
OR41
PWS ID: 95066 ---- HERMISTON ADVENTIST SCHOOL

Most Recent Water System Survey
Survey Date: Aug 22, 2025
Notification Date: Sep 24, 2025 (33 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
Management & Operations No operations and maintenance manualJan 28, 2026
Management & Operations Emergency response plan not completedJan 28, 2026
Monitoring & Reporting No coliform sampling planJan 28, 2026
Operator Certification No certified operator at required levelJan 28, 2026 Sep 03, 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
Deficiencies
Sanitary Survey, Finished (SNSV) 08/22/2025 5 YR  * 09/24/2025 (33) REGION 1 Hide details
 
Category Deficiency Due Date Resolved Date
Management & Operations No operations and maintenance manualJan 28, 2026
Management & Operations Emergency response plan not completedJan 28, 2026
Monitoring & Reporting No coliform sampling planJan 28, 2026
Operator Certification No certified operator at required levelJan 28, 2026 Sep 03, 2025
Sanitary Survey, Finished (SNSV) 08/27/2020 5 YR  * 10/14/2020 (48) REGION 1 Show details
Sanitary Survey, Finished (SNSV) 06/17/2015 5 YR  * 07/15/2015 (28) REGION 1 Show details
Sanitary Survey, Finished (SNSV) 11/04/2010 5 YR  * 12/21/2010 (47) DWP Show details
Sanitary Survey, Finished (SNSV) 01/19/2005 5 YR  * DWP Show details
 



More information for this water system: SDWIS ID 4525
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PFAS data are now located on the Chemical Results page.
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