The Department of Environmental Quality (DEQ) analyzes satellite imagery from the Cyanobacteria Assessment Network (CyAN) for the presence of cyanobacterial blooms on an approximately weekly basis. The CyAN imagery can currently detect HCBs in approximately 40 lakes and reservoirs in Wyoming due to the unique spectral signature of cyanobacteria. DEQ analyzes satellite imagery for these waterbodies using screening metrics that identify the areal extent of blooms, cyanobacteria cell density, and bloom persistence over time.