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District Receives $1.0 Million Grant to Pipe Main Ditch

Post Date:10/07/2014 4:05 PM

News Release Mast

Contact: Mary Lynn Carlton, (530) 642-4103, 


Placerville, Calif. — In late September, El Dorado Irrigation District (EID) learned that it was successful in its application for a $1.0 million grant to help fund a project to pipe the Main Ditch. The project is estimated to cost $6.5 million. The funding comes from the Proposition 84 funds allocated by the California Department of Water Resources (DWR) through the Regional Water Authority (RWA).

EID’s Main Ditch was constructed in the mid-1880s and remains an unlined earthen ditch for much of its three-mile length. The ditch conveys raw water from Forebay Reservoir in Pollock Pines to the Reservoir 1 Water Treatment Plant.

By replacing the ditch with a 36- to 42-inch diameter pipe, the District will conserve up to 1,300 acre-feet—more than 423 million gallons—of water that is lost to seepage and evapotranspiration (the transfer of water from soil evaporation and vegetation transpiration) in these open, earthen ditches each year.

“In addition to the water savings that are especially important in our current drought conditions, open ditches are susceptible to contamination and failure, putting drinking water supplies at risk and resulting in erosion and water quality issues,” said Director of Engineering Brian Mueller.

“Because EID operates an integrated water system, conserving 1,300 acre-feet of water that can be delivered by gravity to El Dorado Hills means saving more than $250,000 annually in the electrical cost of pumping that amount out of Folsom Lake,” said General Manager Jim Abercrombie.

The District is currently utilizing El Dorado County Water Agency matching funds for initial design tasks. DWR is expected to issue notification of conditional award in early November and complete the funding agreements in early 2015.

The project will proceed in a phased approach including design, environmental review, and finally construction, which could occur over a two-year period in order to continue water supply deliveries.


EID is a public agency dedicated to providing high quality water, wastewater treatment, recycled water, hydropower, and recreation services in an environmentally and fiscally responsible manner.

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