Assembly approves money to drill into upper dam to figure out a fix
December 23, 2021
Wrangell’s water reservoir dams need fixing, and the borough assembly last week approved spending $100,000 to help determine the best options.
The state dam safety engineer at the Department of Natural Resources has identified Wrangell’s upper and lower dams as Class I (high) hazard potential with recognized deficiencies that require rehabilitation, said the borough’s Capital Facilities Director Amber Al-Haddad.
A stability study performed for the U.S. Forest Service in 1993 and a 2006 seismic study for the borough both indicated that while stable under static conditions, a seismic ev...