Los Angeles Times

Acres of LA County sewage sludge threaten to contaminate Tulare Lake floodwaters

An earth mover forms a makeshift levee wall beside a swelling irrigation ditch in Tulare Lake.

KETTLEMAN CITY, Calif. — Here at the western edge of the Tulare Lake Basin dwells a smelly industrial site the size of 150 football fields. Roughly eight times a day, its operations are replenished with a truckload of human waste from the residents of Los Angeles County.

Since 2016, the Tulare Lake Compost facility has been converting Southland sewage sludge into high-grade organic fertilizer, and sparing L.A. County the bother of burying its waste in local landfills.

But as epic Sierra Nevada snowpack threatens to overwhelm this phantom lake bed with spring runoff — inundating a region that has already suffered flooding from a series of powerful storms — some fear the facility could be transformed into an environmental disaster.

“When the southwest corner of Tulare Lake floods, thousands of tons of L.A. County sewage sludge, containing toxic heavy metals, will become part of the mix

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