Chris ObroptaChristopher C. Obropta, Ph.D., P.E. is the Extension Specialist in Water Resources with Rutgers Cooperative Extension, and he is a Professor with the Department of Environmental Sciences at the School of Environmental & Biological Sciences, Rutgers University. He has a doctorate in Civil Engineering from Stevens Institute of Technology, an M.S. in Civil Engineering from New Jersey Institute of Technology, and a B.S. in Civil Engineering from New Jersey Institute of Technology. Prior to joining Rutgers, Dr. Obropta was an environmental consultant for 12 years at Omni Environmental Corporation.   Dr. Obropta has a background in watershed management, water quality modeling, hydrologic and hydraulic modeling, and coastal engineering.  His specific experience includes watershed restoration, onsite wastewater treatment system design and management, wasteload allocations and TMDL studies, stormwater management, wetland design, effluent dilution analyses, longshore sediment transport, computer-aided design, and geographic information systems (GIS). He teaches Bioresource Engineering Design I & II, where he directs student design teams to develop solutions to complex real-life engineering problems.

With his extensive and impressive background Dr. Obropta leads his highly specialized team of professional staff who are determined to create innovative solutions to water quality issues in New Jersey.

Room 232 & 105A, 848-932-5711,

Lisa Galloway Evrard, Research Project Manager, has an extensive background in aquatic biology, water quality modeling and monitoring, statistical data analysis, and education. After graduating from Lehigh University with a B.A. in Biology and an M.S. in Ecology from Rutgers University, she worked as an environmental consultant for ten years. Her work as an environmental consultant focused on the development, implementation, and analysis of biological and physicochemical stream assessment and modeling studies, the development of site-specific water quality criteria and modification of permit limits, as well as the preparation of environmental assessments and environmental impact statements. Prior to joining the Water Resources Program in 2002, she was the Assistant Director of the Math & Science Learning Center and the Transfer Student Coordinator for the Faculty of Arts and Sciences Transfer Student Office at Rutgers University for four years. She was instrumental in the implementation of science education outreach programs for students and teachers in grades K-12 at the Math & Science Learning Center. She was also instrumental in developing and providing academic support services for new transfer students to the University, especially those enrolled in math and/or science courses. Her role in the Water Resources Program is to develop and implement Extension water quality and outreach programs, among other watershed assessment and management programs, as well as to prepare, submit, manage, and implement federal, state, local, and foundation grants for the program.

Room 105, 848-932-6726,

SaraSara Mellor, Program Associate, graduated in May 2010 from Rutgers, The State University of New Jersey, with a B.S. in Environmental Policy, Institutions, and Behaviors.  Sara interned with the Water Resources Program from May 2009 to May 2010 and has worked part time as a Program Coordinator with the Water Resources Program from May 2010 to May 2011.  During the internship and tenure as a Program Coordinator, Sara has participated in water quality sampling, flow monitoring, and stream visual assessments for watershed restoration and protection plans, assisted in the coordination, construction, and maintenance of rain gardens, helped develop and run rain barrel workshops, organized the "One Barrel at a Time Co-op," created flyers, press releases, and other forms of promotional materials for the program, supported Water Resources Program staff in community educational outreach projects, supervised project volunteers, researched ways to inform the public about the importance of conserving water, and contributed to the development of evaluation tools to measure programmatic impact.  As a Program Associate with the Rutgers Cooperative Extension Water Resources Program, Sara will be coordinating and presenting rain barrel workshops throughout New Jersey, designing, constructing, and coordinating the installation of rain gardens and natural landscaped systems throughout New Jersey, and participating in community and youth outreach projects pertaining to water resources.

Room 105, 848-932-6747,


Chris Perez, Program Associate, graduated in 2014, with a Bachelor of Science in Landscape Architecture from the School of Environmental and Biological Sciences at Rutgers University.  He started at the Water Resources Program as an intern just prior to graduating. While interning, he applied technical skills to contribute to the planning and design of one of the first public green infrastructure projects in the City of Newark.  As a full-time staff member, he provides conceptual and technical design input for green infrastructure and urban stormwater management projects across the state of New Jersey.  He develops design documents including feasibility studies, conceptual renderings, and construction documents. As a member of Rutgers Cooperative Extension, Chris provides technical and graphic expertise in support of community outreach and design workshops, in addition to green infrastructure feasibility assessment and project implementation.

Room 105, 848-932-6724,

Hollie DiMuro
, Program Coordinator, graduated in May 2015 from Rutgers, The State University of New Jersey with a B.S. in Environmental Planning and Design and a minor in Environmental Policy, Institutions, and Behaviors. Hollie interned with the Water Resources Program from May 2014 to July 2015. During her internship, Hollie assisted with rain barrel workshops, participated in the construction and maintenance of rain gardens, and she assisted with the design of stormwater best management practices and green infrastructure practices for municipalities within the Raritan River Basin. In her role as a Program Associate, Hollie will be providing technical support to the Water Resources Program by organizing and coordinating municipal action teams to promote green stormwater infrastructure in New Jersey's urban and suburban communities. She also will be assisting the Water Resources Program with grant management and project resource allocation.

Room 105, 848-932-6728,



Matthew Leconey, Program Coordinator, graduated in May 2016 from Rutgers University with a Bachelor of Science in Bioenvironmental Engineering. Matt interned with the Water Resources Program from September 2014 to May 2016 assisting with impervious cover assessments and impervious cover reduction action plans for the Raritan River basin.  He also helped with the development of construction documents for green infrastructure practices.  As a full-time staff member, he provides engineering expertise and technical design for green infrastructure practices across the state of New Jersey.

Room 105, 848-932-6716,






Elizabeth Pyshnik, Program Associate, graduated in May 2016 with a B.S. in Environmental Sciences and an undergraduate certificate in geomatics from the School of Environmental and Biological Sciences.  Her undergraduate studies focused on the effects of pollution in the natural environment, modeling the fate of pollution, and exploring remediation solutions.  With the Water Resources Program she helps prepare impervious cover reduction action plans for central New Jersey towns, prepares design plans for green infrastructure and habitat remediation projects in New Jersey, and provides GIS expertise

Room 105, 848-932-6710, 




Tobiah Horton, Senior Research Project Manager, holds a bachelor’s degree in Studio Art and Spanish Literature from Oberlin College and a master’s degree in Landscape Architecture from SUNY - ESF.  As an independent practitioner and with the LA firm WRT Design, Toby has designed and built projects from Baltimore to Syracuse.  His notable built works include the Willow Patch created wetlands in Cazenovia, NY, the Optical Garden and North Charles Streetscape in Baltimore, MD, the Bethlehem Steelstacks in Bethlehem, PA (with WRT Design), and the reused concrete medians at Dutch Kills Green/Queens Plaza in Long Island City, NY (with Margie Ruddick/WRT Design).  With these and other projects in the past 20 years, his landscape work has focused on reconfiguring places with a structure of green infrastructure and an expression of reused materials and native plants.

For the past seven years, as Extension Specialist in Landscape Architecture for Rutgers Cooperative Extension, Toby has designed and installed over 40 green infrastructure projects.  Significant works in this period include the Municipal Complex Green Infrastructure in Hillsborough, the New Jersey Physiography Rain Gardens at the Springfield High School, Reading Rain Gardens at the Libraries of Woodbridge, the Deconstructed Floodplain House Rain Garden in Lake Hiawatha (Parsippany), and the Bridge Garden Basin Retrofit at the Waldorf School of Princeton.  These projects demonstrate that green infrastructure retrofits can be integrated into site and program contexts using design strategies and educational content.  His current efforts involve working from funded installation projects towards overall site, neighborhood, and township sustainability masterplans that seek to leverage green infrastructure towards larger scale structural changes to the experience of public space.

Room 226, 848-932-5708,


Alexander Ciorlian, Program Associate, graduated in 2019 with a degree in Landscape Architecture and Environmental Planning and Design from the School of Environmental and Biological Sciences at Rutgers University.  Alex began his internship experience with the Water Resources Program in December of 2016 and continued to install rain gardens, develop graphic renderings, and revise planting plans and construction documents.  Alex took a break from the Water Resources Program to intern at the Port Authority of New York and New Jersey to work with the Landscape Architecture team where he developed and worked on construction documents for the redeveloped PATH Harrison Train Station.  Alex briefly stepped out of the public works domain to intern at Bohler Engineering, working on drawings for large food franchise companies.  Alex returned back to the Water Resources Program as a full time staff member in 2019 where he continues to overlook construction projects and designs.  While working full time, Alex is pursuing a master’s degree at the Edward J. Bloustein School of Planning and Public Policy at Rutgers University in Urban and Regional Planning.  Being part of the Water Resources Program team, Alex continues to work on projects providing green infrastructure awareness to communities all throughout New Jersey and the Tri-State area.

Room 105, 848-932-6711,

Water Resources Program  at Rutgers NJAES