List of water supply studies
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Studies related to the Charlottesville-Albemarle Community Water Supply Plan.
RWSA-sponsored Studies
The Rivanna Water & Sewer Authority sponsored several studies from two firms, Vanasse Hangen Brustlin and Gannett Fleming:
Raw Water Supply Demand Analysis, Vanasse Hangen Brustlin, October 1997
- Recommends planning for water supply demand in 2050 to be between 18-21 millions of gallons per day (MGD).
Safe Yield Study, Gannett Fleming, January 2004
- Documents a safe yield of 13.3 MGD (revised downward in July 2004 report)
Demand Analysis for the Urban Service Area, Gannett Fleming, May 2004
- Recommends planning for water supply demand in 2055 to be 18.7 MGD with 5% conservation measures.
Water Supply Alternatives Supplemental Evaluation, Gannett Fleming, July 2004
- Documents the downward adjustment of current safe yield from 13.3 MGD to 12.8 MGD (2002).
- Projects the safe yield in 2055 to be 8.8 MGD.
- Identifies the goal of finding 9.9 MGD in new water supply (18.7 MGD - 8.8 MGD = 9.9 MGD).
Community Water Supply Project Joint Permit Application, and Permit Support Document, Gannett Fleming & Vanasse Hangen Brustlin, June 30, 2006
Ragged Mountain Dam, Independent Technical Review Team Report, June 2, 2009
- Addresses variance in engineering plans and cost estimates for the new Ragged Mountain Dam.
Independent Studies
- Gahagan & Bryant dredging assessment, May 2008