Conn Creek Dam - Lake Hennessey - Napa, California
Posted by: GT.US
N 38° 28.815 W 122° 22.391
10S E 554672 N 4259288
The Conn Creek dam forms Lake Hennessey in Napa County California.
Waymark Code: WMA94D
Location: California, United States
Date Posted: 12/06/2010
Views: 6
The website at (
visit link) tells us:
"Hennessey is impounded by Conn Creek Dam on Conn Creek in Napa County, California and is used for irrigation purposes. It was built in 1946. Its normal surface area is 1.2 square miles. It is owned by the City Of Napa.
Conn Creek, also known as Hennessey is rock fill. Its height is 125 feet with a length of 700 feet. Normal storage is 31000 acre feet. It drains an area of 54 square miles. "