Sandy River
Marmot Dam Multimedia Gallery
Before the blast
With the Sandy river diverted around it, the now dry concrete dam stands ready for demolition in 2007.
Bull Run Hydro:
Pre-demolition
Marmot Dam
Marmot Dam fish ladder
High runoff at Marmot Dam
Bull Run Powerhouse
Bull Run generator
Wooden box flume
Marmot Dam demolition
Before the blast
Marmot Dam explodes
Dam explosion
Dam demolition begins
Demolition work
Earthen dam breach
Earthen coffer dam
Breach begins
Dam is breached
Upstream view of breach
Stream of water increases
Water gathers force
Twenty minutes after breach
Videos
Marmot Dam demolition ceremony
(2:00)
Time-lapse of concrete dam destruction
(0:67)
Dramatic breach of earthen dam
(3:10)
Time-lapse of washout
(0:56)