Partial recycled water for Carson Creek

By From page B1 | May 21, 2014

Carson Creek development along Latrobe Road in the El Dorado Hills area has agreed to use recycled water in its common areas.

The overall plan was presented to the El Dorado Irrigation District board April 28 and approved as part of its consent calendar May 12.

The development of 1,240 single-family and multi-family homes initially was not going to use recycled water because there was no recycled water tank above the project of the three-phased age-restricted development. The developer’s representative had termed the water tank as cost-prohibitive.

It would have required a 2.5 million-gallon tank and a 30-inch main at an estimated cost of $5.2 million.

EID board members challenged Lennar Homes to come up with a water conservation plan. The result presented April 28 and subsequently approved on the May 12 consent agenda was to tap into a neighboring recycled water tank, add a pressure reducing station and use that recycled water on common areas.

The individual lots will use potable water but the landscaping is designed in such a way that total irrigation will add up to 144 acre-feet.

“Lennar’s implementation of a specific water conservation plan will include conservation measures that exceed those required in the state’s Model Efficient Landscape Ordinance,” wrote EID Engineering Manager Elizabeth Wells. “This estimated water demand is significantly lower than irrigated turf demands in other similar lot-sized developments.”

Lennar had already paid $4.3 million up-front for future hookups, with that fee based on using recycled water throughout the subdivision’s landscaping. That figure works out to $3,470 that will be applied per hookup. Part of that will be credited at the rate of $3,470 per hookup. The cost for dual-plumbed hookups would be $14,517 per home versus $17,578 for a potable water-only hookup.

In return for using potable water to irrigate individual lots, Lennar is paying a water conservation fee that will be used to help pay for the estimated $5 million cost of piping the Main Ditch from Forebay reservoir in Pollock Pines 3.2 miles to Water Treatment Plant 1 in Camino. That would save at least 1,000 acre-feet of water. The calculated charge for Lennar is $680 per single-family home — a total of 1,058 units. That totals $717,440.

The change to partial recycled water use, low water use landscaping and a reduction in single-family home lots modifies an agreement with Carson Creek development made with the district in 2007.

On March 10, Lennar had agreed to fund 39.5 percent of the $1.96 million estimated cost of replacing Business Park 2 Sewer Lift Station.

Michael Raffety

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