It’s sending sewage-filled water into the wastewater pump system, not the Tijuana River on the U.S. side. Toxic Tide: The sewage crisis at the border ...

The 120-mile (195 km)-long Tijuana River runs near the coast in Mexico and crosses into Southern California, where it flows through Navy-owned land and out to the Pacific.

CALEXICO, Calif. — For generations, residents of the southern California border town of Calexico watched with trepidation as their river turned into a cesspool, contaminated by the booming human ...