OHA Drinking Water Services
OR41
PWS ID: 95757 ---- COLUMBIA BASIN ONION
Compliance and Enforcement Schedules

Type of Action Date Issued Due Date Closed Date SelectGroup SelectStatus
Coliform Investigation Jun 20, 2025 Open Coliform Investigation Open
COMPLETE LEVEL 2 INVESTIGATION Jul 27, 2025 Aug 8, 2025 - Late Coliform Investigation Open
CORRECT DEFECTS FROM INVESTIGATION Dec 12, 2025 Coliform Investigation Open
MCL Violation Notice Jun 17, 2025 Open MCL Violation Notice Open
SUBMIT COMPLIANCE ACTION PLAN Aug 16, 2025 Overdue MCL Violation Notice Open
Coliform Investigation Jun 2, 2025 Jul 17, 2025 Coliform Investigation Closed
COMPLETE LEVEL 1 INVESTIGATION Jul 12, 2025 Jul 17, 2025 - Late Coliform Investigation Closed


For questions about compliance schedules, please contact Brad Daniels, DWS Compliance Specialist, at 503-735-5438 or Bradley.K.DANIELS@oha.oregon.gov.

More information for this water system: SDWIS ID 5721
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