Michael Montgomery, director of the EPA’s Superfund and Emergency Management Division, told the Board of Supervisors that ...

Federal agency said samples of contaminants from previous years did not exceed its thresholds for public health concerns ...

Billions of gallons of raw sewage and dangerous chemicals have been allowed to flow freely into the Tijuana River and on to ...

"The reality is that things have gotten much worse since then," she said. "Absence of evidence is not evidence of absence." ...

The San Diego Air Pollution Control District issued the first nuisance citation for odors coming from the sewage overflows; ...

Evidence keeps mounting, pointing toward a public health emergency in the Tijuana River Valley, where toxic water continues ...

The outflow of untreated sewage into California's coastal waters has created environmental, health and economic problems for ...

The project addresses a major cross-border pollution problem by treating the sewage flowing north from the Tijuana River.

TIJUANA, Baja California — When the non-profit environmental group WILDCOAST did a cleanup in the Tijuana River Channel, the tremendous tire problem was a major hurdle. From their aerial footage ...

County health officials have extended water contact closures to South Bay shorelines due to ongoing sewage flow from the ...

It was a year in which the Tijuana River — the polluted corridor that carries sewage, trash and toxins across the U.S.-Mexico border — was labeled one of America’s most endangered rivers.