The Department of Environmental Health (DEH) has issued a General Rain Advisory to warn county residents about high bacteria levels in San Diego's beaches from urban runoff and Tijuana river flows.
Swimmers, surfers and other beach goers are warned that the level of hazardous bacteria can rise significantly after rainfall, according to the DEH. The urban runoff contains high amounts of bacteria from a breadth of places, ranging from animal waste, soil and decomposing vegetation.
Due to sewage-contaminated flows entering the United States from Tijuana, a water contact closure was also issued for the ocean shoreline at the Tijuana Slough National Wildlife Refuge and Border Field State Park. The closure extends from the beach-line at the south end of Seacoast Drive to the International Border.
Although there are metal warning signs permanently posted at many coastal storm drains, beach goers should keep in mind that many beaches lacking signs for general advisories are still at risk of high bacteria levels.
DEH officials recommend temporarily avoiding activities such as swimming, surfing and diving in the coastal waters for at least 72 hours after the storm, to minimize exposure to bacteria.
The advisory extends to all coastal beaches, including all of Mission Bay and San Diego Bay, according to the DEH. How long the elevated bacteria levels last will depend on the intensity and possible continuation of the storm.
Part of the Tijuana Slough National Wildlife Refuge and Border Field State Park will remain closed until ocean samples indicate it it safe for beach goers, said DEH officials. Access to Friendship Park may also be affected by closures related to sewage runoff.
