US EditionScientists warn San Diego County air laced with toxic ‘sewer gas’
Hydrogen sulfide levels in South Bay air reached nearly 70 times California's safety standard, causing widespread respiratory issues among residents, study finds.
- At its peak concentration levels, the air in the Tijuana River Valley contains thousands of times the typical rate of hydrogen sulfide found in an urban neighborhood, according to a new study published in the journal Science.
- The study definitively linked the spikes in toxic gases to sewage that runs unchecked from Mexico into the United States for the first time.
- The researchers suggested updating air quality models globally to monitor emissions from polluted water, providing free air purifiers to residents, and activating pump stations to divert wastewater as potential solutions.
13 Articles
13 Articles
Other toxic gases, including hydrogen sulfide, found in air from Tijuana River sewage crisis: study
SAN DIEGO (FOX 5/KUSI) -- It’s in the water, it’s airborne and it's getting people sick. The Tijuana River is not just a nuisance, it’s a health hazard, according to newly peer-reviewed findings published in the journal Science. “This is the paper that will drop at 11 a.m. in Science, it is focusing on how river pollution is actually affecting air quality across all of San Diego,” said Kim Prather, a professor from UC San Diego in atmospheric sc…
San Diego Union Tribune
union-bulletin.comFirst peer-reviewed study of Tijuana River Valley sewage crisis finds link between water pollution and toxic gas in air
At its peak concentration levels, the air wafting through the Tijuana River Valley contains thousands of times the typical rate of hydrogen sulfide found in an urban neighborhood, a new study in the journal Science has found. The familiar, rotten-egg stench of the toxic gas has long been linked to headaches, nausea, difficulty breathing and other symptoms. The effects of such extended exposures to hydrogen sulfide are not fully understood, resea…
Tijuana River's toxic water pollutes the air: Study shows hydrogen sulfide levels exceed air quality standards
For decades, the Tijuana River has carried millions of gallons of untreated sewage and industrial waste across the U.S.-Mexico border. The river passes through San Diego's South Bay region before emptying into the ocean, recently leading to more than 1,300 consecutive days of beach closures and water quality concerns.
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