Lake Bistineau, September 17, 2012, Update

Lake Bistineau is currently 6.25 feet below pool stage.  All 12 gates on the control structure are open at this time, and the water level is decreasing by 2 inches each day.  The target depth of the drawdown is 7 feet below pool stage.  There are approximately 600 acres of giant salvinia on the upper portion of the lake that remains unstranded.  That number should be reduced within the next few weeks as the target drawdown level is reached and spray efforts continue.

Despite the fact that the water level is dropping much slower than anticipated, salvinia plants are stranding out and drying.  Spraying continues on the lake, and our efforts are concentrated on areas that are unlikely to dry out.  Once the lake reaches the target drawdown level, we will determine if spray contractors are needed. 

For those who have attended the private spray training course, please use this time to treat along your shoreline or boat houses where small pockets of water may remain that are holding salvinia.  These areas also include access canals that may not dry up as well.  LDWF crews will be using ATV/UTV spray rigs to spray the shorelines, but every little bit of assistance we get is greatly appreciated. 

There is high volume of angler activity on the lake.  Remember that Lake Bistineau has a tremendous amount of underwater hazards, so please navigate the lake with extreme caution during drawdown conditions.  We are in the process of marking channels with signage provided by the Bistineau Task Force members from Bossier, Webster and Bienville parishes.  The next Bistineau Task meeting will be in early October and is open to the public.

Evan Thames

Fisheries Biologist Manager