Orange County NC Website
106 <br /> Groundwater Management Associates, Inc. <br /> GLM <br /> � 2275-A Candun Drive <br /> Apex, NC 27523 <br /> Telephone 919-363-6310 <br /> www.gmc-nc.com <br /> Groundwater Management Associates, Inc. <br /> June 15, 2023 <br /> Edwin Cox, President, Hands Four Development Cooperative <br /> 4611 Powder Mill Rd <br /> Chapel Hill, NC 27514 <br /> (919) 423-0419 <br /> RE: Hydrogeologic Evaluation for Well Placement, <br /> 90 Acres, 5824 Morrow Mill Rd, Chapel Hill 27516. <br /> PIN #9739624313, Orange County, NC. <br /> Dear Mr. Cox, <br /> Groundwater Management Associates, Inc. (GMA) is pleased to provide you with this report <br /> documenting our hydrogeological services. GMA understands that you are developing a 90-acre <br /> property for residential use in southwestern Orange County, NC (Figure 1). The site address is <br /> 5824 Morrow Mill Rd, Chapel Hill 27516 (PIN #9739624313). GMA understands that <br /> development will occur in three phases, and approximately a total of 145 multi- and single- <br /> family residences are expected to be constructed. The water-supply for this development will <br /> be community wells drawing groundwater from the fractured bedrock aquifer. GMA was <br /> contracted to investigate the property and provide recommendations for locations that may be <br /> suitable for future water-supply wells. <br /> Geologic Setting <br /> The site lies within the geologic terrane known as the Carolina Slate Belt of the Piedmont <br /> Physiographic Province North Carolina Geological Survey (NCGS, 1985). Groundwater occurs <br /> within the fractured rock aquifer within this region. The bedrock on the subject property is <br /> mapped by the NCGS (2016) as metamorphosed volcanoclastic sedimentary and pyroclastic <br /> racks associated with the Hyco Formation (Figure 2) that originated as ejecta (volcanic ash) <br /> from a volcano that existed east of this site approximately 613 to 616 million years ago. The <br /> ash was deposited near the volcano as very hot pyroclastic material. f=arther west of the <br /> volcano, much of this material became worked by erosional forces in a body of water or lake <br /> (epiclastic material). The pyroclastic material lies on the southeastern half of the property, and <br /> the epiclastic material lies on the northwestern half of the property. These rocks, while slightly <br /> metamorphosed, still exhibit many of the characteristics of sedimentary rocks like bedding. <br /> The Groundwater Experts <br />