Otter Creek Reservoir is located in Piute County near Antimony. DEQ’s recreational water quality monitoring checks for two health concerns: Harmful Algal Blooms (HABs) and Waterborne Pathogens (E. coli). Find the most recent monitoring information below. Updates: May 20, 2025: Waterborne pathogen (E. coli) monitoring update GOOD NEWS: E. coli counts were measured below recreational…