Central Contra Costa Sanitary District

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The Central Contra Costa Sanitary District (CCCSD), also called Central San, provides sanitary sewage transport and treatment for the central portion of Contra Costa County, California. The main facility is a 54 million-gallon per day treatment plant in residential Martinez, California and as of mid-2006 it provides service to approx 450,000 residents.[1] It operates and maintains 1600 miles of sewer lines out of its second location in Walnut Creek, California. It is a California Energy Commission Showcase Plant.

[edit] Plant Processes

CCCSD is one of the largest sewage plants to use ultraviolet disinfection. Its facilities include a cogeneration system, two multiple hearth furnaces for dried sludge incineration, and a recycled water plant.

Headworks [1]
Primary Sedimentation [2]
Secondary Treatment [3]
UV Disinfection [4]
Solids Handling [5]

[edit] References

  1. ^ Schmidt, R; M Regan, R Grieb, J Witherspoon, B Greene (June 2001). "Just being neighborly". Water Environment & Technology 13 (6): 52-56. Water Environment Federation. 

[edit] External links


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