Treatment plant targets “renegade flows”


The bi-national sewage plant near here has been hailed as a model for U.S.-Mexican environmental cooperation, which is why it rated a vice-presidential visit at its groundbreaking four and a half years ago. Addressing a large audience assembled in the United States just a few hundred yards from the busy streets of Tijuana, Mexico, U.S. Vice President Al Gore called the plant “a solution to a problem which has afflicted our common border for six decades.” The problem is what officials delicately term “renegade flows”—raw sewage spills that originate in Tijuana’s overloaded sewer system and move down the Tijuana River, fouling San Diego area beaches. Long a source of aggravation here, the spills can cause serious disruption—as last year, when... [Log in to read more]

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