There are a number of options, some take a lot of time, some take a lot of money and some take both...
Hiring an electroshock boat and shocking the lakes this time of year and removing every single bass you shock up would be a good option. You may look into stocking a handful of musky to assist in the removal of all the stunted bass. One musky or so per acre would be a good start. If you can drain the reservoir down, pump out the remaining water and start over would probably be the best option...
