Beaches May 4, 2022 11:22 am County's New Coastal Water Testing Technology New water-testing technology that aims to determine if it is safe to swim in local waters was unveiled. NBC 7’s Nicole Gomez shares how it works. US & World Videos 0:23 Pro-Palestinian encampment on UC San Diego campus continues for third day 2:32 Bodies found in Mexico near where 3 surfers, 2 from San Diego, disappeared 2:07 San Diego Seals riding energy of ‘The Electric Factory' into National Lacrosse League semifinals 4:07 New Dateline episode sheds light on North County doctor accused of killing his wife 2:24 ‘Drumatix' performers put on a show for travelers at San Diego International Airport