Polluted beaches

Dirtiest beaches in California (as rated by Heal the Bay):

1. Erckenbrack Park (Foster City, San Mateo County)

2. Marlin Park (Foster City, San Mateo County)

3. Santa Monica Pier (Santa Monica, Los Angeles County)

4. Mother’s Beach (Marina del Rey, Los Angeles County)

5. Moonstone County Park (Humboldt County)

6. Newport Bay, Vaughn’s Launch (Orange County)

7. Lakeshore Park (San Mateo County)

8. Tijuana Slough, north of the Tijuana River mouth (San Diego County)