Join Scripps Institution of Oceanography, WiLDCOAST, the County of San Diego’s Department of Environnmental Health, and San Diego Coastkeeper at TRNERR (Tijuana Estuary Visitor Center, 301 Caspian Way, Imperial Beach, California.) on December 7th from 6-8pm to learn about the process that goes into monitoring ocean water quality and influences beach closures and advisories. Walk away with practical tools that will help you to know when the water is safe and how to safeguard your health — and some great food and raffle prizes too!