Northern Shenandoah Regional Water Supply Plan 6/30/2011 The Draft Regional Water Supply Plan was prepared by the Northern Shenandoah Valley Regional Commission and Technical Advisory Committee members from the twenty jurisdictions participating in this Plan. The contents of this Plan are draft and should be considered preliminary in nature until each jurisdiction sha had the opportunity to review and approve of this Regional Water Supply Plan. The Regional Water Supply Plan was prepared to meet the mandate set forth in 9 VAC 25 780. ii Table of Contents Executive Summary: Regional Water Supply Plan Statement of Need Section-----------------------------------------------------------------------------------------------1 1.0 Introduction----------------------------------------------------------------------------------------------------------8 2.0 Existing Water Supply---------------------------------------------------------------------------------------------9 2.1 Existing Water Sources------------------------------------------------------------------------------------9 2.1.1 Clarke County-----------------------------------------------------------------------------------9 2.1.2 Town of Berryville----------------------------------------------------------------------------10 2.1.3 Town of Boyce--------------------------------------------------------------------------------10 2.1.4 Frederick County------------------------------------------------------------------------------10 2.1.5 Town of Middletown-------------------------------------------------------------------------10 2.1.6 Town of Stephens City-----------------------------------------------------------------------11 2.1.7 Page County------------------------------------------------------------------------------------11 2.1.8 Town of Luray---------------------------------------------------------------------------------11 2.1.9 Town of Shenandoah-------------------------------------------------------------------------11 2.1.10 Town of Stanley------------------------------------------------------------------------------12 2.1.11 Shenandoah County-------------------------------------------------------------------------12 2.1.12 Town of Edinburg---------------------------------------------------------------------------12 2.1.13 Town of Mt. Jackson------------------------------------------------------------------------12 2.1.14 Town of New Market-----------------------------------------------------------------------13 2.1.15 Town of Strasburg---------------------------------------------------------------------------13 2.1.16 Town of Toms Brook-----------------------------------------------------------------------13 2.1.17 Town of Woodstock-------------------------------------------------------------------------13 2.1.18 Warren County-------------------------------------------------------------------------------13 2.1.19 Town of Front Royal------------------------------------------------------------------------14 2.1.20 City of Winchester---------------------------------------------------------------------------14 iii 2.2. Amount of Water Available to be Purchased from Outside each Jurisdiction------------------------------------------------------------14 2.3 Estimate of Agricultural Users of More Than 300,000 Gallons per Month-----------------------------------------------------------------------15 2.3.1 Clarke County---------------------------------------------------------------------------------15 2.3.2 Frederick County------------------------------------------------------------------------------15 2.3.3 Page County------------------------------------------------------------------------------------15 2.3.4 Shenandoah County---------------------------------------------------------------------------15 2.3.5 Warren County--------------------------------------------------------------------------------16 2.4 Residences and Businesses that are Self‐Supplied and Individual Wells Withdrawing Less than 300,000 Gallons per Month----------------------------------------------------------------------------------------17 2.5 Wellhead Protection Ordinance / Source water Protection Programs------------------------------18 3.0 Existing Water Use Information--------------------------------------------------------------------------------19 3.1 Community Water Systems Use-------------------------------------------------------------------------20 3.2. Clarke County---------------------------------------------------------------------------------------------20 3.3 Town of Berryville----------------------------------------------------------------------------------------21 3.4 Town of Boyce--------------------------------------------------------------------------------------------21 3.5 Frederick County------------------------------------------------------------------------------------------21 3.6 Town of Middletown-------------------------------------------------------------------------------------22 3.7 Town of Stephens City-----------------------------------------------------------------------------------22 3.8 Page County------------------------------------------------------------------------------------------------22 3.9 Town of Luray---------------------------------------------------------------------------------------------22 3.10 Town of Shenandoah------------------------------------------------------------------------------------23 iv 3.11 Town of Stanley------------------------------------------------------------------------------------------23 3.12 Shenandoah County-------------------------------------------------------------------------------------23 3.13 Town of Edinburg---------------------------------------------------------------------------------------24 3.14 Town of Mount Jackson--------------------------------------------------------------------------------24 3.15 Town of New Market------------------------------------------------------------------------------------24 3.16 Town of Strasburg---------------------------------------------------------------------------------------24 3.17 Town of Toms Brook------------------------------------------------------------------------------------24 3.18 Town of Woodstock-------------------------------------------------------------------------------------24 3.19 Warren County-------------------------------------------------------------------------------------------25 3.20 Town of Front Royal------------------------------------------------------------------------------------25 3.21 City of Winchester---------------------------------------------------------------------------------------25 3.22 Estimate of Water Used by Self‐Supplied Nonagricultural Users of More than 300,000 Gallons----------------------------------------------25 3.23 Estimate of Water Used by Self‐Supplied Agricultural Users of More than 300,000 Gallons per Month of Surface and Groundwater Outside the Service Areas of the Community Water System------------------------------------------------------------------------------26 3.24 Estimate of Water Used by Self‐Supplied Agricultural Users of More than 300,000 Gallons per Month of Surface and Groundwater Inside the Service Areas of the Community Water System------------------------------------------------------------------------------26 v 3.25 Estimate of Water Used by Self‐Supplied Agricultural Users of More than 300,000 Gallons per Month of Surface and Groundwater Outside the Service Areas of the Community Water System-------------------------------------------------------------------------26 3.26 Estimate of Water Used by Self‐Supplied Users of Less than 300,000 Gallons per Month of Surface and Groundwater Inside the Service Areas of the Community Water System---------------------------------------------------------------------------------------------26 4.0 Existing Resource Information---------------------------------------------------------------------------------29 4.1 General Environmental Setting--------------------------------------------------------------------------29 4.1.1 Detailed Resource Characteristics-------------------------------------------------31 4.2 State or Federal Listed Threatened or Endangered Species or Habitats of Concern-------------------------------------------------------32 4.3 Anadromous Fish, Trout, and Other Significant Fisheries-------------------------------------------32 4.4 State Scenic River segments and Significant Recreational Rivers----------------------------------33 4.5 Wetland-----------------------------------------------------------------------------------------------------35 4.6 Riparian Buffers and Conservation Easements--------------------------------------------------------35 4.7 Land Use and Land Cover-------------------------------------------------------------------------------36 4.8 Impaired Streams------------------------------------------------------------------------------------------39 4.9 Point Source Discharges----------------------------------------------------------------------------------50 4.10 Potential Threats to Water Quantity and Quality----------------------------------------------------50 5.0 Projected Water Demand----------------------------------------------------------------------------------------53 5.1 Population Data--------------------------------------------------------------------------------------------53 5.2 Projected Water Demand---------------------------------------------------------------------------------55 vi 6.0 Water Demand Management------------------------------------------------------------------------------------89