Locations around this longitude. 1  Chicago, Illinois, USA. 2  Indianapolis, Indiana, USA. 3  Managua, Nicaragua.  Tegucigalpa, 1  Honduras. CancÃºn, Quintana Roo, Mexico.
The reservoir had its lowest recorded storage in 1991, which hovered around 25,000 acre-feet of water. Under current conditions, Cachuma is projected to reach 20,000 acre-feet of storage by October.
There may be as much as 50 cubic km of clean water stored beneath Medicine Lake, nearly equal to the combined volume of California's 200 largest surface water reservoirs. And because the water is so old - circulating underground for decades before emerging in the springs - the aquifers have yet to be affected by the state's five-year drought.