In San Diego County, total beach closures were down significantly from 41 beach-mile days in 2016 to an estimated 0.3 beach-mile days in 2017. Separately, beach advisories were down from 51 beach-mile days in 2016 to 26 beach-mile days in 2017.
Note: Advisories and closures due to Tijuana River impacts are not included in this visualization. While Tijuana River impacts need to be addressed, its source is outside of county jurisdiction and by excluding related closures, we can provide a better measurement of the effectiveness of local efforts in other parts of the county. In 2017, the number of closures and advisories from the Tijuana River was an additional 671 beach-mile days, mostly resulting from one extended closure that constituted 356 beach mile-days.
Data Source: San Diego County Department of Environmental Health, 2018