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Principals
Principals

Meet our team

As a JDS-Hydro Consultants, Inc. client, you and your project will benefit from our multi-discipline team of professionals who have the experience and know-how to address all aspects of water-related engineering projects.

John McGinn - President
John McGinn - President

Civil Engineer, P.E.

Mr. McGinn has over thirty-seven years experience in civil engineering and related fields, including the analysis, planning, permitting, and design of water and wastewater treatment facilities, reuse treatment and distribution systems, well sources, water distribution, wastewater collection facilities, groundwater systems, pumping and lift station facilities, raw and potable water storage, utility rate and revenue analysis and municipal systems, district management, water resource planning and studies, construction administration, grant application, expert witness/representation, and administration, and project management.

Doug Schwenke - Vice President
Doug Schwenke - Vice President

Civil Engineer, P.E.

Mr. Schwenke has over twenty years of civil engineering experience in the design and analysis of civil engineering projects including water and wastewater systems planning and design, wastewater treatment plant process design, SCADA, hydraulic and hydrologic analysis, concrete and steel design and analysis, geotechnical design for water impoundment structures, water and wastewater distribution design, and construction observation and management.

Ryan Mangino - Director
Ryan Mangino - Director

Civil Engineer, P.E.

Mr. Mangino has over 13 years of experience in civil engineering and related fields, including water storage, potable water systems, water pumping and facilities design, wastewater treatment and pumping, road corridor design, water and wastewater system studies, CDPHE permitting, drainage analysis and planning, water distribution system modeling, and construction administration/inspection.

Mario Dipasquale - Director
Mario Dipasquale - Director

Civil Engineer, P.E.

Mr. DiPasquale has over 15 years of experience as a project manager/engineer for municipal and private projects focusing on water source and supply, water storage, and treatment facilities. While hydraulic systems have been his specialties, his expertise includes all facets of water and wastewater systems, water distribution system modeling, well design (alluvial and Denver basin), and construction management.

Mark Valentine - Director
Mark Valentine - Director

Civil Engineer, P.E.

Mr. Valentine has over ten years of experience in civil engineering, wastewater, water resources and related fields, including project management, design of municipal water and wastewater treatment systems, collection, and distribution systems, hydraulic analyses and modeling including BioWin, open-channel design, CDPHE permitting, construction administration, information and technology and GIS mapping and analysis.