OHA Drinking Water Services
OR41
PWS ID: 95757 ---- COLUMBIA BASIN ONION

Most Recent Water System Survey
Survey Date: Jun 19, 2025
Notification Date: Aug 08, 2025 (50 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 manualDec 12, 2025
Management & Operations Emergency response plan not completedDec 12, 2025
Management & Operations Major modifications not approved (plan review)Dec 12, 2025
Monitoring & Reporting MCL violationsDec 12, 2025
Operator Certification No certified operator at required levelDec 12, 2025
Well Construction Wellhead not protected from floodingDec 12, 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) 06/19/2025 5 YR  * 08/08/2025 (50) REGION 1 Hide details
 
Category Deficiency Due Date Resolved Date
Management & Operations No operations and maintenance manualDec 12, 2025
Management & Operations Emergency response plan not completedDec 12, 2025
Management & Operations Major modifications not approved (plan review)Dec 12, 2025
Monitoring & Reporting MCL violationsDec 12, 2025
Operator Certification No certified operator at required levelDec 12, 2025
Well Construction Wellhead not protected from floodingDec 12, 2025
 



More information for this water system: SDWIS ID 5721
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