Fouch finished three rounds at Lost Marsh Golf Course at 2-under-par 214 for a three-shot win over Audra Burks. She also won the Power of a Dream Golf Classic earlier this year.
The $10,500 first-place check vaulted Fouch to the top of the tour's money list.
Burks had a 1-under 71 Sunday and finished alone in second place at 1-over 217 to claim $7,500.
Kim Brozer carried a lead into the final round, but shot a 4-over 76 to fall into a tie for third place. She was joined at 2-over 218 by Courtney Erdman, who shot a 70.
Lisa Ferrero (71) and Beth Allen (70) shared fifth place at 3-over 219.