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
Bilateral Compliance Agreement Mar 1, 2026 Open Bilateral Compliance Agreement Open
ISSUE PUBLIC NOTICE May 20, 2026 Bilateral Compliance Agreement Open
ISSUE PUBLIC NOTICE Aug 20, 2026 Bilateral Compliance Agreement Open
COMPLETE CONSTRUCTION Aug 25, 2026 Bilateral Compliance Agreement Open
REPORT NITRATE MONITORING Oct 25, 2026 Bilateral Compliance Agreement Open
ISSUE PUBLIC NOTICE Nov 20, 2026 Bilateral Compliance Agreement Open
REPORT NITRATE MONITORING Jan 10, 2027 Bilateral Compliance Agreement Open
REPORT NITRATE MONITORING Apr 10, 2027 Bilateral Compliance Agreement Open
CORRECT WATER QUALITY DEFICIENCIES Jul 10, 2027 Bilateral Compliance Agreement Open
REPORT NITRATE MONITORING Jul 10, 2027 Bilateral Compliance Agreement Open
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 Overdue Coliform Investigation Open
MCL Violation Notice Jun 17, 2025 Aug 11, 2025 MCL Violation Notice Closed
SUBMIT COMPLIANCE ACTION PLAN Aug 16, 2025 Aug 11, 2025 MCL Violation Notice Closed
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.