Emergency Tijuana sewer repairs could increase sewage flows in the South Bay
San Diego County officials are warning South Bay residents about possible sewage impacts after failures in Tijuana’s wastewater system prompted concerns about increased cross-border flows into the United States. According to the U.S. International Boundary and Water Commission (USIBWC), emergency repairs are underway on a leak involving the Parallel Gravity Line, a major pipeline that carries wastewater through Tijuana. … During the repairs, pump stations known as PBCILA and PB1 will be taken offline, forcing additional wastewater from Tijuana’s sanitation system toward the treatment plant near the U.S.-Mexico border. Officials say South Bay residents could notice stronger sewage odors and increased wastewater flows in the Tijuana River Channel while repairs are underway.
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