Complaints over one Colorado city's tap water have spilled into the Cañon City Council chambers, where residents packed a meeting to vent about the musty, earthy odor and taste, and showers that smelled like a "swamp." As The Colorado Sun reported, drought appears to have created the conditions that let algae develop in the city's water system. Here's what to know Water superintendent Travis Payne said the problem appears to trace back to reserv…