The 3rd Annual Pet Fair here in Menomonee Falls at the Rotary Park on Fond du Lac Ave near Lilly Road on August 21, 2010 from 9:00-4:00 is open and Free to the Public and their pets (must be leashed). This event is to benefit HAWS Waukesha Humane Society and is full of fun and education, vendors and exhibitors plus demonstrations. Rain or Shine.