Coronado Mayor John Duncan said his biggest concern was that "the reputation as 'the toilet of Mexico'" would hurt the city.

Imperial Beach, California, is a city with a dirty secret.

The Tijuana River sewage crisis continues to grow as a new study shows pollutants in the wastewater are degrading air quality ...

Detection of northward-drifting contamination out of the Tijuana River prompted the San Diego County Department of Environmental Health and Quality Monday to issue a water pollution advisory for a ...

EPA chief Lee Zeldin said the U.S. and Mexico were close to a deal that would stop sewage being dumped off the coast of San ...

These bacteria-ridden beaches failed to meet state health standards for recreational waters, the Surfrider Foundation says.

A new study from the University of California has found that chemicals in sewage-contaminated coastal water are not just a ...