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Tulle Thinning at Lindo Lake
Randy Ford, District Park Manager
An email was sent out a few months back advising that we would be thinning the tulles at the east basin of the lake in response to community concern over mosquitoes. The Department of Environmental Health along with Parks and the Department of Agriculture Weights and Measures has teamed up and the process is underway. On Thursday, Friday, and Monday of last week and this present week, Agriculture Weights and Measures sprayed the tulles with Aqua Master under the watchful eye of a licensed inspector. The future plan is as follows:
· We wait four weeks to give the chemical the time recommended for the chemical to take effect.
· At two to three weeks, we should start to see some die off.
· At four weeks we will begin to hand thin the tulles and de-water on shore.
· Trails will be opened during this process with minor inconvenience to walkers.
· If it is determined that the water level is too high to adequately access the tulles for thinning, we may have to lower the level by pumping water into the west basin. This takes about one week.
· We will continue to hand thin until manageable islands are left.
· Once the tulles are de-watered, we will haul and dispose of tulles.
· My goal is to be finished by December, before the rainy season.
· Santa Ana conditions should help with the de-watering process.
· Wet weight is to expensive to consider disposing of without utilizing the de-watering process.
· Wet weight has proven to be dangerous when transporting in the past.
· We are outside the Migratory Bird Act and are able to perform this work.
· In the end of February, we will again treat young tulle sprouts growing outside of the manageable islands.
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