Lake DeSmet Operating Department


The Lake DeSmet Operating Department was created by the Johnson County Commissioners through Resolution #467 on January 8, 2013.  The "Operating Department" is responsible for the operation and management of the Lake DeSmet Reservoir.

Johnson County is responsible for 68.27% of the annual operation and maintenance costs associated with the Lake DeSmet Reservoir.  Sasol Synfuels International Pty Ltd, owner of the M&M Ranch, is responsible for the remaining 31.73%.  The Lake DeSmet Operating Department and Sasol work cooperatively to develop sustainable operation and maintenance plans for Lake DeSmet.


Buffalo, WY 82834
Ph:  307-684-2262
Cell:  307-620-1924
Fax:  307-684-7665