El Dorado Hills Water Treatment Plant

Syblon Reid, under contract with El Dorado Irrigation District, upgraded the El Dorado Hills Water Treatment Plant. The plant improvements were comprised of expanding the existing water treatment facility.

The major work consisted of installing new raw water pumps in Folsom Lake – 500 HP horizontal split case pumps with variable-frequency drive (VFD). Construction also involved installation of a new 400,000 gallon raw water storage tank and improvements to the existing filters, including 100 HP vertical turbine pumps to increase the backwash flow rate of the filters. Also included were new chemical systems to modify treatment from chlorine gas to sodium hypochlorite pH balancing with sodium hydroxide systems housed in a new chemical storage building and tanks. The project also involved increasing the recycled water production with the installation of a plate settler, clarified water pumps, and a polymer injection system.

Site improvements included 415 feet of architectural finished retaining walls up to 15 feet tall, underground piping modifications, and grading/paving of the plant area. Along with the physical improvements, a new SCADA and control programming system was installed to allow operation of the facility during the construction period with limited impacts to plant operations.

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1130 Sibley Street
Folsom, CA 95630-3223
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