Public Health, Department of
(California Department of Public Health)
Well #2 Filtering out PCE
NOE - Notice of Exemption
NOTE: Reference SCH #2011068100
The California Department of Public Health (CDPH), as the Lead Agency, will be issuing a water supply permit to Tahoe Keys Water Company for groundwater treatment of Perchlorethylene (PCE) from Well #2. The treatment selected is groundwater pump-and-treat using granular activated carbon (virgin coconut shell). The design of the treatment equipment is modular consisting of two carbon vessels set directly on foundations with a 2% slope to allow for drainage. A clean water source with backflow protection will be available to allow for slurry transfer of fresh carbon, initial wetting, de-aeration, and backwashing. The temporary water line will be drawn from the water tank situated next to the well #2. The site will have provisions to handle the volume of backwash water. The temporary tank shall be able to contain 3,000 gallons of water and will be placed on the driveway next to the well house.
New Construction or Conversion of Small Structures.
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