Rivanna Water & Sewer Authority Community Water Supply Mitigation Plan Public Meeting November 2, 2006

Agenda Impacts to Be Mitigated Impacts to Be Mitigated Stream Mitigation Plan Stream Mitigation Plan Wetland Mitigation Plan Wetland Mitigation Plan Mitigation Costs Mitigation Costs Schedule for Next Steps Schedule for Next Steps Public Comment Public Comment

Impacts to be Mitigated The Preferred Water Supply Alternative includes... The Preferred Water Supply Alternative includes... Expand Ragged Mountain Reservoir with New DamExpand Ragged Mountain Reservoir with New Dam New Pipeline from South Fork Rivanna Reservoir to Ragged Mountain ReservoirNew Pipeline from South Fork Rivanna Reservoir to Ragged Mountain Reservoir 9.5 Miles in Length 9.5 Miles in Length 36-Inch Pipeline 36-Inch Pipeline ExistingProposed Reservoir Pool Height at Dam (Feet)~67~112 Reservoir Surface Area (Acres)~70~212 Useable Water Storage (Million Gallons)~514~2,190

Impacts to be Mitigated Streams Streams 14,435 linear feet of rural upland streams will be inundated14,435 linear feet of rural upland streams will be inundated Small, high quality streams, but cut-off from Moores Creek for over 100 yearsSmall, high quality streams, but cut-off from Moores Creek for over 100 years Overall low impactOverall low impact

Impacts to be Mitigated Wetlands Wetlands Inundated wetlands were created by existing reservoirsInundated wetlands were created by existing reservoirs 0.81 Acres Forested 0.81 Acres Forested 0.07 Acres Shrub-Scrub 0.07 Acres Shrub-Scrub 1.73 Acres Emergent 1.73 Acres Emergent Army COE requires 3.46 Acres Wetland MitigationArmy COE requires 3.46 Acres Wetland Mitigation

Pipeline Impacts Temporary Impacts Temporary Impacts 668 Linear Feet of Streams668 Linear Feet of Streams 0.04 acres emergent wetlands0.04 acres emergent wetlands No Permanent Impacts – No Off-Site Mitigation Required No Permanent Impacts – No Off-Site Mitigation Required

Stream Mitigation Extensive List of Options Reviewed Extensive List of Options Reviewed “Short List” “Short List” Restoration and Preservation along Buck Mountain Creek (RWSA-owned land)Restoration and Preservation along Buck Mountain Creek (RWSA-owned land) Multiple Site Stream Restorations (Moores Creek, Maury Creek, Rivanna River, Ivy Creek Tributaries)Multiple Site Stream Restorations (Moores Creek, Maury Creek, Rivanna River, Ivy Creek Tributaries)

Stream Mitigation “Short List” Reviewed with Regulatory Agencies “Short List” Reviewed with Regulatory Agencies Mitigation must be “Function for Function” (Army COE and US FWS)Mitigation must be “Function for Function” (Army COE and US FWS) Lost Function is Rural, Upland Streams Lost Function is Rural, Upland Streams Buck Mountain Creek Best Functional Match of All Options Available Buck Mountain Creek Best Functional Match of All Options Available Multiple Site Option Will Not Be Approved by Army COE Multiple Site Option Will Not Be Approved by Army COE

Stream Mitigation RWSA is proposing Buck Mountain Creek RWSA is proposing Buck Mountain Creek Details Subject to Regulatory AdjustmentsDetails Subject to Regulatory Adjustments Current EstimatesCurrent Estimates Assessment of Sufficiency to Mitigate Ragged Mountain Project Impacts Assessment of Sufficiency to Mitigate Ragged Mountain Project Impacts Fully Satisfies Virginia DEQ Criteria Fully Satisfies Virginia DEQ Criteria Satisfies Over Two Times the US Army COE Criteria!! Satisfies Over Two Times the US Army COE Criteria!! Stream Mitigation Element Conservation Easement (Linear Feet of Stream) Buffer Tree Planting (Acres) Restored Stream Channel (Linear Feet) Preservation44,70000 Enhancement28, Restoration1,900151,900 Total75, ,900

Proposed Stream Mitigation Project

Wetland Mitigation Successful wetland restoration requires specialized hydrogeographic conditions Successful wetland restoration requires specialized hydrogeographic conditions Water drainage volumeWater drainage volume Hydric soilsHydric soils Relatively flat terrainRelatively flat terrain Due to local conditions, suitable sites limited in number and too small in size Due to local conditions, suitable sites limited in number and too small in size Preference given to Moores Creek Watershed Preference given to Moores Creek Watershed

Wetland Mitigation RWSA is proposing Franklin Street property adjacent to Charlottesville Stockyard RWSA is proposing Franklin Street property adjacent to Charlottesville Stockyard Property Under Contract for Sale to RWSA – Subject to Completion of RWSA InvestigationsProperty Under Contract for Sale to RWSA – Subject to Completion of RWSA Investigations Informal Discussions with Regulators PositiveInformal Discussions with Regulators Positive Details of Site Plan Subject to Regulatory AdjustmentsDetails of Site Plan Subject to Regulatory Adjustments

Wetland Mitigation Franklin Street property (continued) Franklin Street property (continued) Current EstimatesCurrent Estimates 4.0 acres in restored (“new”) wetlands 4.0 acres in restored (“new”) wetlands 0.9 acres of existing wetlands preserved 0.9 acres of existing wetlands preserved Flood and riparian buffer restored along Moores Creek Flood and riparian buffer restored along Moores Creek Exceeds Requirements of US Army COE (4.0 acres new wetlands vs acres required)Exceeds Requirements of US Army COE (4.0 acres new wetlands vs acres required)

Proposed Wetland Mitigation Project

Additional Environmental Benefits Improved Moormans River Stream Flow Improved Moormans River Stream Flow Expanded Lacustrine (Lake) Ecosystem Benefits Expanded Lacustrine (Lake) Ecosystem Benefits New Fringe Wetlands May Emerge New Fringe Wetlands May Emerge Endangered Species Habitat Area Protected Endangered Species Habitat Area Protected Watershed Protection Watershed Protection Riparian Improvements Along Moores Creek Riparian Improvements Along Moores Creek

Estimated Value of Mitigation Stream Mitigation Estimated Construction Cost$1,900,000 Estimated Land Value 1 5,000,000 Wetland Mitigation Estimated Construction Cost300,000 Land Purchase 2 110,000 Allowance for Legal, Engineering, and Other Administrative Costs400,000 Total Estimated Value $7,710,000 1 This is a rough estimate based on the Albemarle County appraised value of a representative survey of the RWSA-owned properties, applied to the estimated acreage of land proposed to be placed into conservation. 2 This is the price listed in the Contract for Sale dated October 17, 2006 with Franklin Street Land Trust.

Next Steps Receive and Evaluate Public Comment Receive and Evaluate Public Comment Seek Mitigation Plan Approval by Joint Boards Seek Mitigation Plan Approval by Joint Boards Submit Plan to Regulatory Agencies Submit Plan to Regulatory Agencies Seek Final Approval of Ragged Mountain Permit Seek Final Approval of Ragged Mountain Permit Negotiate Ragged Mountain Land Site Requirements with City Negotiate Ragged Mountain Land Site Requirements with City Complete Financial Plan Complete Financial Plan

Community Feedback How Does This Mitigation Plan Meet the Needs of Our Community?