Hartford Consensus Compendium
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Hartford Consensus Compendium
HYDROGEOLOGICAL ASSESSMENT OF WATERSHED IMPACTS CAUSED BY CONSTRUCTING THE MOUNTAIN VALLEY GAS PIPELINE THROUGH SUMMERS AND MONROE COUNTIES, WEST VIRG Hartford Consensus CompendiumGINIABy Pamela c. Dodds. Ph.D.. Licensed Professional Geologist forIndian Creek Watershed Association42583TABLE OF CONTENTSPageExecutive Summary3Description and Requirements for Construction of the MountainValley Gas Pipeline in Summers and Monroe Counties, wv6Geology of Summers and Monroe Counties8 Hartford Consensus CompendiumSoils of Summers and Monroe Counties20Water Resources of Summers and Monroe Counties22Ecological Systems in SummersandMonroeCounties33Conclusions36RefHartford Consensus Compendium
erences42Curriculum vitae for Pamela Crowson Dodds,Ph.D.,L.P.G.44Cover: Waterfall in the headwater area of Lick Creek, MVP Milepost 162.6. Photo takenHYDROGEOLOGICAL ASSESSMENT OF WATERSHED IMPACTS CAUSED BY CONSTRUCTING THE MOUNTAIN VALLEY GAS PIPELINE THROUGH SUMMERS AND MONROE COUNTIES, WEST VIRG Hartford Consensus Compendium THROUGH SUMMERS AND MONROE COUNTIES, WEST VIRGINIABy Pamela c. Dodds, Ph.D., Licensed Professional GeologistEXECUTIVE SUMMARYA gas pipeline constructed in Summers and Monroe Counties, as described in the Mountain Valley Pipeline. LLC (MVP) Application for a Certificate of Public Convenience and Nec Hartford Consensus Compendiumessity and Related Authorizations, submitted to the Federal Energy Regulatory Commission (FERC) October, 2015, will cause environmental degradation anHartford Consensus Compendium
d destruction which will adversely impact landowners and communities;1)The MVP gas pipeline construction will adversely impact headwater aquatic habitHYDROGEOLOGICAL ASSESSMENT OF WATERSHED IMPACTS CAUSED BY CONSTRUCTING THE MOUNTAIN VALLEY GAS PIPELINE THROUGH SUMMERS AND MONROE COUNTIES, WEST VIRG Hartford Consensus Compendiumnique geomorphology for first order high gradient streams. First order streams consist of a single tributary which forms in the headwater areas of a watershed. The watersheds of first order high gradient streams in Summers and Monroe Counties provide the essential aquatic habitats for aquatic specie Hartford Consensus Compendiums and associated terrestrial fauna and fowls within the entire lengths of the river continuums in the overall major watersheds.2)The MVP gas pipelineHartford Consensus Compendium
construction will adversely impact springs and wetlands by soil removal.The composition of weathering products from the underlying bedrock determines HYDROGEOLOGICAL ASSESSMENT OF WATERSHED IMPACTS CAUSED BY CONSTRUCTING THE MOUNTAIN VALLEY GAS PIPELINE THROUGH SUMMERS AND MONROE COUNTIES, WEST VIRG Hartford Consensus Compendium available vegetation and soil organisms such as microbial communities, worms, and tree roots. Soil scientists estimate that a time period greater than 100 years is required for one inch of soil to form. For this reason, soil is considered a nonrenewable resource. The MVP gas pipeline construction o Hartford Consensus Compendiumn forested ridges and slopes will destroy the soils which regulate the transport of surface water and also carbon, nitrogen, and oxygen to headwater aHartford Consensus Compendium
reas of first order high gradient streams and to wetlands. The destruction will result from access road construction and from leveling the 125-foot wiHYDROGEOLOGICAL ASSESSMENT OF WATERSHED IMPACTS CAUSED BY CONSTRUCTING THE MOUNTAIN VALLEY GAS PIPELINE THROUGH SUMMERS AND MONROE COUNTIES, WEST VIRG Hartford Consensus Compendiumwill require deforestation and blasting, both of which will reduce groundwater recharge and cause significant changes to the amount of groundwater available as a drinking water source, as well as to groundwater flow routes.The MVP gas pipeline construction will require deforestation, which will decr Hartford Consensus Compendiumease groundwater recharge and increase stormwater runoff. Reduced groundwater recharge will reduce the amount of groundwater to springs and seeps to sHartford Consensus Compendium
treams and wetlands. The MVP gas pipeline construction will also require blasting for more than approximately 80% of the work corridor in Summers and HYDROGEOLOGICAL ASSESSMENT OF WATERSHED IMPACTS CAUSED BY CONSTRUCTING THE MOUNTAIN VALLEY GAS PIPELINE THROUGH SUMMERS AND MONROE COUNTIES, WEST VIRG Hartford Consensus Compendium The trench depth required for installation of the 42-inch diameter is at least 8.5 feet. Blasting will destroy the flow of groundwater and change the route of groundwater flow to the abundant springs and wetlands that occur in the headwater areas of the first order high gradient streams.4)The MVP g Hartford Consensus Compendiumas pipeline construction will degrade karst environments.Karst terrain is strongly developed in the limestone and dolostone underlying the surficial bHartford Consensus Compendium
edrock in Summers County and in the northern and eastern portions of Monroe County and also in the surficial limestone bedrock underlying the southeasHYDROGEOLOGICAL ASSESSMENT OF WATERSHED IMPACTS CAUSED BY CONSTRUCTING THE MOUNTAIN VALLEY GAS PIPELINE THROUGH SUMMERS AND MONROE COUNTIES, WEST VIRG Hartford Consensus Compendiumasting along the proposed MVP work corridor will degrade fragile cave systems by causing collapse as well as by causing changes in the groundwater flow and direction responsible for maintaining the moist cave conditions. There is a strong potential for collapse of the gas pipeline where construction Hartford Consensus Compendium occurs in karst terrain.5)The MVP gas pipeline construction will cause increased stormwater discharge and also degrade stream functions at the numeroHartford Consensus Compendium
us locations where stream crossings are proposedStreams will be degraded by increased stormwater discharge as well as disruption of streams at crossinHYDROGEOLOGICAL ASSESSMENT OF WATERSHED IMPACTS CAUSED BY CONSTRUCTING THE MOUNTAIN VALLEY GAS PIPELINE THROUGH SUMMERS AND MONROE COUNTIES, WEST VIRG Hartford Consensus Compendium recharge or run off the surface. Forested areas intercept rainfall, allowing the rain to gently reach the ground surface. Therefore, in forested areas, the rain will penetrate the ground to recharge groundwater and will flow across the ground surface with less volume and velocity (discharge) than i Hartford Consensus Compendiumn non-forested areas. Even W'here sediment from stormwater discharge from construction areas is captured in erosion control structures, the increasedHartford Consensus Compendium
discharge flowing into streams will result in stream bank erosion downstream and. consequently, increased sedimentation downstream. Where stream crossHYDROGEOLOGICAL ASSESSMENT OF WATERSHED IMPACTS CAUSED BY CONSTRUCTING THE MOUNTAIN VALLEY GAS PIPELINE THROUGH SUMMERS AND MONROE COUNTIES, WEST VIRGHYDROGEOLOGICAL ASSESSMENT OF WATERSHED IMPACTS CAUSED BY CONSTRUCTING THE MOUNTAIN VALLEY GAS PIPELINE THROUGH SUMMERS AND MONROE COUNTIES, WEST VIRGGọi ngay
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