A coordinated, "top-down" approach was initiated in 2004/2005 to control a new, fast spreading tamarisk infestation around McPhee reservoir as a result of drought conditions...Mapping indicated tamarisk infestation of more than 200 acres over 50 miles of shoreline...The program has been expanded to include Narraguinnep reservoir, Totten reservoir and the canal systems of the Dolores Wate