3 San Mateo County beaches among the most polluted in California

3 San Mateo County beaches among the most polluted in California

A view of the shore of San Mateo Lakeshore Park in San Mateo, Calif., Wednesday, June 26, 2013. The water quality of San Mateo Lakeshore Park in San Mateo, Calif., has been rated as one of the worst in the United States according to an annual report of the

Erckenbrack Park, Marlin Park, and Lakeshore Park beaches in San Mateo County are on Heal the Bay’s 2021-2022 “Beach Bummer List” for being among the most polluted beaches in California.

San Mateo County is home to more “Beach Bummers” than any other county in recent years, according to the report. Erckenbrack Park is on the list for a third consecutive year, while Marlin Park is on the list for the second consecutive year. Lakeshore Park has been on the list five times in the past 10 years.

According to the report, these beaches are enclosed in a patchwork of canals in San Francisco Bay that do not allow easy circulation of water. The canals also received urban runoff from surrounding residential and commercial developments.

Heal the Bay, a Santa Monica-based nonprofit organization, does environmental advocacy work to protect coastal waters and watersheds in California. Heal the Bay released its annual Beach Report on Wednesday, which assigns A to F ratings to 500 California beaches.

The ratings are based on the level of fecal indicator bacterial pollution in the ocean measured by county health agencies. Fecal indicator bacteria, such as E. coli, live in the intestines of warm-blooded animals and are introduced into the environment through feces.

Most organizations that study ocean pollution are concerned about faecal pollution relative to other contaminants, such as metals, because faecal pollution poses an acute health risk, meaning exposure can make someone ‘an illness. In contrast, metals pose a chronic health risk, meaning that illness results from prolonged exposure to the contaminant.

The other stranded that made the “dismal list” are Santa Monica Pier and Marina del Rey Mother’s Beach in Los Angeles County, Newport Bay in Orange County, Tijuana Slough in San Diego County and Moonstone County Park in Humboldt County.

Heal the Bay is renowned Playa Blanca near Tijuana, watched by San Diego County, the most disappointing beach this year.

Overall, 94% of California beaches rated by Heal the Bay received an A or B grade in the summer of 2021, which is the five-year average. However, the report warned that polluted water poses a significant health risk to millions of Californians. People who come into contact with water rated C or lower are at greater risk of stomach flu, ear infections, upper respiratory tract infections and skin rashes.

“A day at the beach and the river shouldn’t make anyone sick,” said Tracy Quinn, President and CEO of Heal the Bay. “It’s great news that most beaches in California have good quality water for swimming. But there are areas with poor water quality that need improvement and upgrades. We cannot forget that our marine ecosystems are still under threat from the climate crisis and other sources of pollution, and we also need solutions to address these pressing issues. more and more ocean shores and freshwater swimming holes to cool off as temperatures rise, so safe, clean and healthy water is needed more than ever.”

Rain generally increases the number of pollutants on beaches and rivers, and the report found that only 66% of California beaches had good or excellent wet weather ratings, which was slightly above average, but “still very worrying”. Last year, rainfall in California’s coastal county was 24% below the historical average.

Overall, only 68% of beaches in San Mateo County received an A or B for dry weather in the summer, 44% received A and B grades for wet weather, and 78% received A and B grades in dry weather in winter.

According to the report, there were 38 sewage spills into San Mateo County water bodies last year, adding up to 3,950,039 gallons of sewage contributing to water pollution. .

All beaches in Alameda County and Contra Costa County scored an A or B for summer dry weather, giving East Bay “exceptional water quality.” However, in wet weather, only 13% of beaches received A and B grades, well below the historical average of 64%.

All of San Francisco’s beaches received A’s or B’s during the dry summer months, which the report said “is exceptional and above average.” Wet weather ratings, however, were “terribly bad” with 0% of San Francisco beaches receiving A ratings and only 17% receiving B ratings.

Mendocino County beaches got all A’s in wet and dry weather. Mendocino’s beaches have not received a rating lower than B in the past five years.

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