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Stockton Tackling Channel-Clogging Hyacinth Problem

 
Source: Calif. State Parks Division of Boating and Waterways
 

Source: Calif. State Parks Division of Boating and Waterways

(AP) More than 375,000 pounds of water hyacinth has been removed from the channel in the past few weeks.

Port of Stockton managers are trying to prevent a repeat of last year, when ships stopped trying to navigate the channel at night because they couldn't tell the difference between land and floating mats of hyacinth.

Port officials say a state spraying program failed to control the hyacinth, so they contracted with a Bay Area company to remove it.

Left unchecked, water hyacinth grows into a solid carpet across the water surface that can jam propellers and rudders, and clog water intakes.