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El Dorado Forebay Dam Remediation and Enlargement Project Recommendations Reviewed by Board

EID Board Authorizes Design and Environmental Analysis to Begin

Post Date:01/25/2011 3:00 PM

News Release Mast 


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


Placerville, Calif. — On Monday, January 24, 2011, the El Dorado Irrigation District (District) Board of Aerial picture of ForebayDirectors authorized funding in the amount of $640,117 to continue the design study and begin environmental review for the El Dorado Forebay Dam Remediation and Enlargement Project. The El Dorado Forebay, located in Pollock Pines, is an off-stream reservoir that both regulates drinking water supplies to District customers and the water that flows into the El Dorado Powerhouse.

The El Dorado Forebay Dam is 89 years old and does not meet modern dam safety engineering standards. The proposed remediation project will increase public safety by providing further protection of downstream residents, life, and property. The dam will require buttressing and a modest raising to meet the stability and freeboard requirements of the California Department of Water Resources–Division of Safety of Dams and the Federal Energy Regulatory Commission. EID staff and GEI Consultants developed a plan that also significantly improves drinking water reliability, improves hydroelectric income, and minimizes capital expenditures. The further optimization of hydropower generation using existing water supplies to the Forebay will greatly help to defray the capital costs associated with the project.

“This upgrade will increase emergency water storage from eight hours to six days and optimize hydroelectric operations, which is very significant for all of our customers,” said EID General Manager, Jim Abercrombie. Board President Harry Norris said, “Given the hydropower generation which will be yielded with alternative three—it seems to make the most sense of all the alternatives.”

More information will be available to the public as the design and environmental analysis proceeds. This process is expected to be completed in 2012 with construction beginning as early as 2013 or more likely 2014.

In other business, the Board—

  • Approved the Folsom Specific Plan Area SB 610 Water Supply Assessment. Because EID will oversee the water and wastewater service in the small portion of the Folsom Specific Plan Area that lies within the District’s service area, approval of the Folsom Water Supply Assessment by the District is required by Senate Bill 610. The assessment identifies an entirely new source of water supply for the Folsom Specific Plan Area that is not part of the District or Folsom’s existing water supplies.
  • Received a report from EID’s Wastewater/Recycled Water Manager, Vickie Caulfield, and EID’s Wastewater/Water/Recycled Water Engineering Manager, Elizabeth Wells, concerning proposed National Pollutant Discharge Elimination System (NPDES) fee changes as well as a new draft Toxicity Policy which are being considered by the California State Water Resources Control Board. These changes could potentially increase fees which the District must pay as well as change the method to determine pass or fail criteria for the Test of Significant Toxicity in wastewater operations. These proposed changes have been and will continue to be monitored closely by staff as well as the California Association of Sanitation Agencies, of which EID is a member.
  • Received an Cost of Services Study Committee update from General Manager Abercrombie and Greg Clumpner, Senior Financial Manager of HDR Engineering, Inc. Outcomes from the committee’s January 14, 2011, meeting were presented whereby they discussed the overhead allocation reconsiderations, Canadian method, revenue requirements draft model review, debt service coverage goals, recycled water and next steps. The Committee agreed to a final review of the overhead and debt service allocations in its February 14, 2011, meeting.
  • Recognized staff from the Bass Lake Wastewater facility for being awarded the California Water Environment Association (CWEA) local chapter Collection System of thPicture of Bass Lake crewe Year. Also recognized were Senior Construction and Maintenance Worker Jayzack Leonard for being awarded the CWEA local chapter Collection
    • Person of the Year, and Electrical Instrumentation Technician Sarah Lowrey for being named the CWEA local chapter Electrical and Instrumentation Person of the Year.
  • Received a report from Tim Youmans of Economic & Planning Systems, Inc., concerning an El Dorado County Development Feasibility Study.



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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