The Hydro-Terra Team

Michael D. Haufler, P.G.

Licensed Professional Geologist

Mr. Haufler, P.G. is the President and Director of Technical Services for the Hydro-Terra Group. He has been solving environmental resource problems for the past 35 years, encompassing a wide range of challenges in assessment, construction, restoration, and management. He has expertise in water resources exploration and management; stream assessment and restoration; highway and air transport environmental impacts; karst (sinkhole); geotechnical, dewatering and mine drainage; and hazardous and non-hazardous contamination, including petroleum hydrocarbons, solvents, PCBs, glycol, and salt. He has developed testing and evaluation protocols unique in natural resources studies, and his remedial designs have been patented. His presentations and testimony enable technical understanding toward reasonable solutions in environmental resources.

Jeffrey J. Lindaw, P.G.

Licensed Professional Geologist

Mr. Lindaw, P.G. is Vice President and the Director of Operations for Hydro-Terra Group and has over 30 years of experience as a project geologist, project manager, or principal investigator on site characterization studies, remedial investigation/feasibility study (RI/FS) projects, hydrogeologic studies, water/wastewater construction projects, and underground storage tank (UST) closure/modification projects. He has extensive field operations and management experience in communicating with staff and subcontractors, including scheduling of field activities and coordination of subcontractors. In addition to his diverse field experience, Mr. Lindaw is distinguished by his technical reporting documentation for submission of reports, permit applications, proposals, and other deliverables in an accurate and timely manner.

Rodney G. Myers, CHMM, QCIS

Certified Hazardous Materials Manager
Qualified Compliance Inspector of Stormwater

Mr. Myers is Vice President and serves as a Senior Program Manager with over 31 years of expertise in environmental problem solving, chemistry, agronomy, and management. Mr. Myers specializes in soil and groundwater remediation, hazardous/solid waste, and stormwater management. He has addressed a wide range of contaminants including petroleum, solvents, heavy metals, cyanide, PCBs, herbicides/pesticides, and radionuclides. He has conducted cleanup/closures of former industrial facilities and sites, including one of the first Act 2, Land Recycling site closures using the Site-Specific Standard under PADEP, the first site to enroll in the One Cleanup Program under EPA, and all phases of environmental investigation and corrective action. His experience also includes managing permit compliance, and wastewater/groundwater treatment system operations and maintenance.

Mark J. Mazzochette, PE

Project Engineer

Mr. Mazzochette serves as the Project Engineer for Hydro-Terra’s design, construction and O&M efforts. His background includes municipal, industrial and on-site water and wastewater treatment system design; drinking water distribution infrastructure; wastewater collection systems design; treatment process design, specification and optimization; civil system construction, operation and maintenance; environmental sampling procedures and laboratory analysis; and engineering cost evaluation. He has a Master’s degree in Environmental Engineering and is a licensed Professional Engineer in Maryland, New York, Pennsylvania and Virginia.

Scott R. Linn

Senior Service Technician

Mr. Linn serves as a Senior Service Technician with over 30 years of experience in Remedial Construction and Operation & Maintenance on Groundwater Treatment Systems, Soil Vapor Systems, Total Fluid Recovery Systems, and Wastewater Systems. His experience also includes electrical trouble shooting and control wiring.

Emily M. Wade

Project Scientist

Ms. Wade serves as a project scientist with over 10 years of experience in environmental investigation, remediation, operation of groundwater treatment systems, and project management. Her experience includes field operations, contractor management, client coordination, schedule tracking, and document preparation. Ms. Wade’s field operations experience includes sampling and characterization for soil, geologic logging, and aquifer characterization; groundwater sampling, well construction, and drill rig experience including geoprobe, air rotary, hollow stem auger, core rigs, and sonic. She specializes in remediation projects addressing chlorinated solvents and petroleum hydrocarbon contamination.

Dawn McFadden

Administrative Assistant

Dawn McFadden serves as the Administrative Assistant for HTG’s Maryland office. She has business office experience in the field of manufacturing in Sales & Marketing, Customer Service, and Product Development. She has also worked in mental health, education, as a Post Closer in title work and most recently 14 years of ministry experience in various church office settings; she knows how to make an office run smoothly and efficiently! She is your “go-to” person for all administrative details and often facilitates communication between field and office personnel on project-related work.

Lindsey Ditzler

Project Geologist

Lindsey Ditzler serves as a geologic scientist in support of environmental investigation and remediation. Her field experience includes environmental sampling of air, surface water, groundwater, and soil; soil characterization; geologic logging; and drill rig experience for soil borings and monitoring well installation. Additionally, she has experience in geologic field mapping and data evaluation using ArcGIS.

Kent Littlefield, P.G.

Program Manager

Kent Littlefield is a licensed professional geologist applying earth and physical sciences to solve land and water issues over 40 years. He studied geology and physics at Susquehanna University, hydrogeology and engineering geology at Millersville University and Penn State University, and had specialized training from Cook College. He has professional licenses in Pennsylvania, New York, and North Carolina and has solved water supply, groundwater and soil contamination, and geologic hazard issues in 29 U.S. states, Iceland, and Italy.

Mr. Littlefield worked for R. E. Wright Associates, Inc. (1979-1994), Science Applications International Corporation (1995-2013), Leidos Inc. (2013 to 2019), and Hydro-Terra Group (currently). He is a PADEP-certified underground storage tank inspector. He currently serves as geotechnical consultant for Upper Saucon Township, Lehigh County and Springfield Township, Bucks County. He is the current president of the Harrisburg Area Geological Society and works closely with the Pennsylvania Bureau of Topographic and Geological Survey and the Field Conference of Pennsylvania Geologists.

Nikole Brown, P.G.

Project Manager

Nikole L. Brown, P.G. serves as a Project Manager to support Hydro-Terra’s environmental restoration efforts. She has a Bachelor of Science Degree in Geology from Millersville University of Pennsylvania and is a Licensed Professional Geologist in Pennsylvania, New York and North Carolina. Her background includes supporting and managing projects requiring scientific strategies to solve environmental issues related to air, groundwater and soil impacted by chlorinated solvents and petroleum hydrocarbons. Ms. Brown specializes in providing solutions for clients with a need for compliance with various PA, MD, NJ and NY state regulatory programs including the NJ Site Remediation and Reform Act (SRRA) and Pennsylvania’s Land Recycling Program (Act 2). Ms. Brown provides clients peace of mind as she guides them though a project from the initial investigation to the final completion of remediation. Her duties include but are not limited to interfacing with clients and regulatory contacts; writing work plans; managing and completing field work; evaluating data; and summarizing results into concise reports. Her field work expertise includes supervision and management of monitoring well installations and storage tank excavations; logging soil; and sampling impacted media.

Jared Brymesser, EIT

Staff Engineer

Jared Brymesser serves as a Staff Engineer for Hydro-Terra Group’s design, construction, and O&M efforts. He is a graduate of Penn State University with a Bachelors of Science Degree in Environmental Systems Engineering and has also achieved a Bachelors of Science Degree in Physics from West Chester University. Jared recently received Engineer-In-Training status from passing the Fundamental Engineering Exam. Jared will be supporting the team in all facets of the water, wastewater, and environmental project portfolio and is excited to begin his career. While gaining pertinent work experience, Jared will ultimately be working toward earning his Professional Engineering license.

Tyler Riggs, GIT

Staff Geologist

Tyler Riggs, GIT, is a Licensed Geologist-in-Training in Pennsylvania with a Bachelor of Science degree from Millersville University of Pennsylvania. His field experience in geotechnical engineering, construction materials testing, drill rig logging, infiltration testing, and construction inspection services will serve as an asset to our current and future HTG portfolio. Mr. Riggs will predominantly be supporting the Harrisburg, PA office and his responsibilities will include supervision of monitoring well installations, soil borings, storage tank excavations; geologic logging of soil; and sampling impacted media.

Michael D. Haufler

Licensed Professional Geologist

Mr. Haufler is the President and Director of Technical Services for the Hydro-Terra Group. He has been solving environmental resource problems for the past 35 years, encompassing a wide range of challenges in assessment, construction, restoration, and management. He has expertise in water resources exploration and management; stream assessment and restoration; highway and air transport environmental impacts; karst (sinkhole); geotechnical, dewatering and mine drainage; and hazardous and non-hazardous contamination, including petroleum hydrocarbons, solvents, PCBs, glycol, and salt. He has developed testing and evaluation protocols unique in natural resources studies, and his remedial designs have been patented. His presentations and testimony enable technical understanding toward reasonable solutions in environmental resources.

Jeffrey J. Lindaw

Licensed Professional Geologist

Mr. Lindaw is the Director of Operations for Hydro-Terra Group and has over 25 years of experience as a project geologist, project manager, or principal investigator on site characterization studies, remedial investigation/feasibility study (RI/FS) projects, hydrogeologic studies, water/wastewater construction projects, and underground storage tank (UST) closure/modification projects. He has extensive field operations and management experience in communicating with staff and subcontractors, including scheduling of field activities and coordination of subcontractors. In addition to his diverse field experience, Mr. Lindaw is distinguished by his technical reporting documentation for submission of reports, permit applications, proposals, and other deliverables in an accurate and timely manner.

Rodney G. Myers, CHMM

Certified Hazardous Materials Manager

Mr. Myers serves as a Senior Program Manager with over 28 years of expertise in the fields of environmental investigation, remediation, engineering, chemistry, and agronomy. Mr. Myers specializes in hazardous and environmental characterization projects; remediation, solid/hazardous waste management; and permit compliance. He has safely addressed a wide range of hazards and contaminants including petroleum hydrocarbons, chlorinated solvents, heavy metals, cyanide, PCBs, and radionuclides. He has successfully completed numerous risk-based site closures, and has managed projects involving RCRA and all phases of corrective action including facility investigations (RFI), CERLCA, TSCA and related Remedial Investigation/Feasibility Studies (RI/FS). His experience also includes Technical consultation, community relations, managing soil and groundwater remediation operations and maintenance.