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Hydrogeologist
MA Geology, Boston University, 1995
EMPLOYMENT HISTORY Sevee & Maher Engineers, Inc., DBA Uhl & Associates, Inc. Hydrogeologist, 2025 to present Uhl & Associates, Inc. Consulting Hydrogeologist, 2013 to 2025 Geosyntec Consultants Consulting Hydrogeologist, 2019 to 2023 Eastview Environmental Independent Consultant, 2006 Tetra Tech - HIS Geo Trans Project Hydrogeologist, 1999 to 2001 Arcadis (Geraghty & Miller) Staff Hydrogeologist, 1997 to 1999 Woodward-Clyde Consultants Senior Staff Hydrogeologist, 1993 to 1997 Baker Environmental - Weston Geophysical Corporation Geologist, 1989 to 1992 PROFESSIONAL PROFILE Jonathon Wells is a geologist and hydrogeologist with more than 30 years of experience in environmental consulting, groundwater resource evaluation, and water-supply planning. His expertise includes hydrogeologic investigations, numerical groundwater modeling, and municipal water resource management across diverse geologic and regulatory settings. He began his career in the late 1980s with Baker Engineering/Weston Geophysical, near Boston, Massachusetts, conducting Phase I and II Environmental Site Assessments, site investigations, water-supply development, and geophysical surveys. His early work included projects throughout New England, Washington, DC, and Puerto Rico for private clients and local, state, and federal agencies. For Municipal Water Departments and Public and Private Utilities in New Jersey and New York, Mr. Daw has managed many new production well installations, well replacements, and well redevelopment projects, which included aquifer testing, and water allocation permitting. For Townships in New Jersey and Pennsylvania, Mr. Daw has been involved with preparing Ordinances for groundwater use. As a groundwater expert he has also completed groundwater assessments for private clients to comply with established Township Ordinances on groundwater use. Some of this work involved groundwater recharge estimations, installation of domestic wells, Aquifer Test Plans and Hydrogeologic Reports. He later worked in southeastern Pennsylvania and New Jersey with Woodward Clyde Consultants and ARCADIS (Geraghty & Miller), focusing on contaminated site investigations and interpretation of large environmental datasets. Over the past thirteen years, he has worked as an independent consultant with UHL & Associates, Inc. and UHL & Associates / Sevee Maher Engineers (SME) on groundwater management and environmental consulting projects, including groundwater resource evaluations, municipal water supply master planning, and well siting. His work includes aquifer mapping in glacial and bedrock systems, groundwater recharge and use analysis, and sustainability evaluations to support municipal planning. REPRESENTATIVE PROJECTS Groundwater Supply Planning & Sustainability Evaluations (2020–2026) - Completed groundwater supply evaluations and master plans for municipal water departments and utilities in Pennsylvania and New Jersey. Compiled and analyzed pumping rates, aquifer recharge rates to develop water budgets and assess sustainability of groundwater withdrawals. Evaluated aquifer systems in fractured bedrock and glacial deposits within the Newark Basin and New Jersey Highlands, mapped aquifer extents and buried valleys, and identified future well exploration targets. Prepared hydrogeologic reports, maps, and cross sections to support and water allocation permitting and groundwater supply planning. Water Supply Operations, Testing & Wellfield Evaluation (2020–2026) -Measured pumping rates using weir, orifice, and ultrasonic flow meters; recorded static and pumping water levels; and oversaw downhole video surveys, specific capacity tests, step tests, and aquifer tests. Supervised drilling, well installation, and development. Analyzed pumping test data to estimate aquifer properties and evaluate well performance. Groundwater Assessment & Well Siting (2016–2026) - Performed fracture trace analysis using stereo aerial photography and field verification to identify optimal well locations in fractured bedrock and glacial aquifers. Mapped groundwater use, contamination sources, and hydrogeologic constraints to support well siting and resource protection. Clinton Borough Water Department, New JerseyTo satisfy New Jersey Department of Environmental Protection’s regulatory requirements, Mr. Daw created an Analytical Element groundwater model to determine pollutant paths from point sources under pumping conditions and recommended pumping scenarios. This study resulted in the Department of Environmental Protection issuing a Water Allocation permit for a critically needed municipal production well. Water Allocation and Temporary Dewatering Permitting (2025) -Prepared hydrogeologic report supporting a major modification to a municipal water allocation permit. Delineated watershed contributing areas, calculated recharge under normal and drought conditions, estimated available groundwater supply, and evaluated radius of influence. Contaminated Site Investigation & Remediation (2013–2025) - Conducted investigations of petroleum UST releases for an insurance client. Oversaw drilling, Geoprobe investigations, and monitoring well installation. Delineated soil and groundwater contamination, directed excavation and remediation activities, and conducted confirmatory sampling. Prepared technical reports.. PUBLICATIONS Daw, Ashish, Uhl, V. and Wells, J., 2024. Instructors for TCH Courses on “Overview of Production Well Asset Management and Diagnostic Programs”. New Jersey Water Association. Guswa J. H., et. al. (2001) Use of FLUTe Systems for Characterization of Groundwater Contamination in Fractured Bedrock, Presented at the Fractured Rock 2001 conference. |
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