impingement Maven August 4, 2013 0 « Back to Glossary IndexImpingement is contact or collision with a diversion structure by aquatic organisms. Related Articles: DELTA CONVEYANCE PROJECT: Fish and aquatic species analysisThe April 4th Bay Delta Conservation Plan Public MeetingCalifornia Water Fix Aquatic Science Peer Review, Part 2: Supporting analyses for target aquatic species; Panel’s initial recommendationsState Water Board update: Addressing the impacts of desalination facilities« Back to Glossary Index