Bonneville Lock Outage for Diving

Notice Number: 202459/23-04
Date: 04/05/2023 13:00 thru 04/05/2023 17:00

During tainter valve inspections a bulkhead lifting beam became unlatched and twisted in the tainter valve slot. Divers will be in the water on 4/5/23 from 13:00 until 17:00 to correct the situation. The diving operations will require suspending lock operations during this time.


Casey ODonnell
Technical Manager for Navigation
Portland District, USACE