Coak oakley L y Lan andfi dfill Update Update Se Sept ptember 1 14, 2 , 2016 Presen esented ed b by New ew Hamp mpshire Dep epartme tment t of of Environm onmenta ntal S Services
PFOA/PFOS results 1,4-dioxane status & groundwater flow Information needs Area drinking water well review Summary of next steps 2
Exis istin ing Subdiv Su bdivisio ion Exis istin ing Su Subdiv bdivisio ion Pro Propo posed Su Subdiv bdivisio ion GREENL ENLAND ND Rye North Ha Hampton 3
PFOA PFOA/PFOS /PFOS Res Resul ults ts GM GMZ Coak akley Groundwater Management Landfill ill Zone (GMZ)
Groundwater Flow Direction 5
Inf Infor ormati tion N on Needs eeds GM GMZ Groundwater Mngmnt Coak akley Landfill ill Zone (GMZ)
Coakley ey Landfill ill
Gener eneral al ◦ Area well review (postcards to be mailed week of 9/19) ◦ Support EPA in further evaluation of PFOA/PFOS ◦ Surface water & sediment sampling for 1,4-dioxane & PFOA/PFOS Nor North of of Landf Landfill ◦ Residential well sampling to continue ◦ Compliance wells (demonstrate clean boundary) ◦ Water main extension to proposed subdivision ◦ Support Town of Greenland in sampling of residential wells Sout outh of of Landf Landfill ◦ PRP-lead residential well sampling to continue ◦ Compliance wells to be identified Eas East of of Landf Landfill ◦ Confirm groundwater flow direction ◦ Evaluate next steps
Breakfast Hill Road 12” Main Bethany Church Proposed Subdivision Existing Water Tower 12” Main
Homes sampled in Stone Meadow Way neighborhood had no 1,4-dioxane detected.
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