Our travel guide "750-
There are two purposes for the Forest Recreation Reserve in akeriefen: water management and entertainment.
The new Olivenhain dam and reservoir in the reserve has 8 billion gallons of water
Provide additional temporary supplies to the area in case an earthquake cuts off or damages the water guide that transports water from Northern California.
The water storage plan also helps to regulate local electricity demand.
At the peak of power use, the water released by the O'Sullivan Reservoir generates supplementary power when it flows to the Lake Hodges.
During periods of less demand, usually in the evening, the water from Lake Hodges can be pumped back to the mountain to supplement the supply of the O'Sullivan reservoir.