The actual names of the 3 large reservoirs by Horseshoe Curve are 
1. "Kittanning Point Reservoir" (NOT "Upper Kittanning Reservoir"), 
2. "William Cochran Impounding Reservoir" (NOT "Kittaning Reservoir") 
and 
3. "Lake Altoona Reservoir"

See
https://www.altoonawater.com/infrastructure-system-facts
https://gdfengineers.com/wp-content/uploads/2017/10/HorseshoeReservoirs-1.pdf