As reported by Lake Pepin Legacy Alliance, boat groundings in upper Lake Pepin reached an all-time high last summer. Some readers commented that the danger is most formidable for visiting and infrequent boaters. While accurate, the rest of us aren’t immune from the underlying ailment facing Lake Pepin. Sedimentation is nearing ecological and social tipping points that will be disastrous for everybody. It’s time for us to heed the warnings and mobilize together for action.