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.
Canyon Reservoir Facts: Surface area of 8230 acres at normal level (909 msl*) and can store approximate 378,852 acre-feet** of water. When over 909 msl, the Corps regulates how much water is released back into the Guadalupe River from the lake. When 909 msl or below, GBRA regulates the discharge.