#06–48 February 20, 2006
State’s only fish lock offers underwater
view; access limited
Unique
to the state and the Southeast, the fish lock at
St. Stephen dam
affords passage for fish migrating upstream to spawn, and permits visitors
an underwater view through a glass window from March 15 through April 15.
Due to heightened national security, visitors must make reservations in
advance for tours, which may be scheduled for March 15–April 15.
As in recent years, walk-in visitors at the fish lock will not be allowed.
Reservations for guided toursare free, but space is limited. South Carolina
Department of Natural Resources (DNR) staff will explain the lock operation
and its importance to fishery resource conservation. For further
information, or to make reservations, contact Sabrina Wright at DNR’s Dennis
Wildlife Center in Bonneau at (843) 825-3387.
DNR operates the fish lock, built by the US Army Corps of Engineers as part
of the St. Stephen Dam on the Rediversion Canal in Berkeley County.
“The
fish lock operates on the same principle as navigation locks that let boats
pass through dams,” said Steve Leach, DNR fisheries biologist with the
Freshwater Fisheries Section. “It allows migratory fish like American shad
and blueback herring to move from the Santee River to Lakes Moultrie and
Marion and into the upper Santee, Congaree and Wateree rivers during their
annual migration. This opens large areas of spawning and nursery grounds
allowing fish populations to expand in numbers. These fish provide
recreational and commercial fishing opportunities, ecological benefits from
transfer of energy from the ocean to freshwater, and are a primary food
source forgave fish such as Santee-Cooper striped bass.”
The fish lock is capable of transporting thousands of fish upstream and
over the dam daily, and an underwater window gives visitors a unique view of
fish migration while allowing biologists to monitor fish passage into the
lakes. Fish migration is a natural phenomenon though, and so is subject to
changing environmental conditions including water discharge. Viewing of fish
at a specific time cannot be guaranteed.
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