The diversion dams divide its habitat into four separate segments.
The reservoir's water is returned to the White River about 20 miles downstream from the diversion dam.
It included a new diversion dam, an entry lock, and a waste weir.
A diversion dam was built in the 1880s to provide water for the turbine that powers the mill.
The watershed is small, and covers an area of around 25 km at the diversion dam.
The Conservancy remains responsible for the three diversion dams and all the irrigation facilities.
This money was used to create a diversion dam and irrigation canals, employing 7000 men in late 1889.
Another flood in July damaged the diversion dam again.
The diversion dams have cut its habitat into four separate segments.
The project, including the diversion dam, was complete in April 2011.