To the great relief of Hicks Valley residents, Marin’s municipal water district has deprioritized a proposed expansion of the Soulajule Reservoir as an option for coping with shortages during droughts. Although raising the reservoir would have flooded several ranches, it previously seemed to be Marin Water’s preferred option for expanding supply. “One year ago, I never would have imagined this outcome,” said Carol Dolcini, whose family has owned a 1,100-acre ranch in Hicks Valley for…