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  • Environment
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Task Force To Control Hyacinth In The Delta

  •  Rich Ibarra 
Monday, November 17, 2014 | Sacramento, CA
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Water hyacinth is clogging Delta waterways in a spurt of uncontrolled growth this year. A task force is looking for solutions to nip the weed in the bud in the spring.

Water hyacinth exploded this year in the Delta spreading a carpet  of green that choked parts of the San Joaquin River, Stockton's Downtown Marina, and even parts of the Calaveras River.

The weed will die off in  winter, but will come back in spring.

San Joaquin County Supervisor Larry Ruhstaller says the problem has been ongoing for more than 50 years.

He says now a task force including  Contra Costa and San Joaquin Counties, NASA, and California Boating and Waterways is starting a five-year study to control the hyacinth.

It's funded in part by $750,000 from the federal government.

"You're never going to eradicate this particular weed. You can control it and part of what we are doing is to get our arms around the entire Delta to see where these weeds tend to originate in the early spring, how they move around."

Ruhstaller says mechanical harvesting and spraying will continue but they're costly.

He hopes some biological control might be found as a permanent solution.


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    Related Stories

  • Water Hyacinth In The Delta

    Thursday, March 12, 2015
    A mild winter means the Delta and water ways around Stockton have been especially choked by water hyacinth. Insight speaks with Vicky Waters from the California Department of State Parks.
  • Stockton Grapples With Options To Rid Delta Marina Of Water Hyacinth

    Tuesday, December 16, 2014
    This has been one of the worst years for water hyacinth in the Delta. A town hall meeting was held to speak to the concerns of those affected.

 deltasan joaquinwater hyacinth

Rich Ibarra

Contributing Central Valley/Foothills Reporter

As the Central Valley correspondent, Rich Ibarra covers San Joaquin, Stanislaus, and Merced counties, along with the foothill areas including Tuolumne and Calaveras counties. He covers politics, the economy and issues affecting the region.   Read Full Bio 

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