We’re committed to improving our ecosystems, quality of life, and communities for the better.
Our passion and commitment to the integration of innovative science and engineering drive us to exceed on behalf of every client.
As 2025 comes to a close, we’re proud to reflect on a year of innovation, collaboration, and impact. From advancing ecosystem restoration and water quality initiatives to sharing expertise on the global stage, these milestones showcase the dedication of our team and the strength of our partnerships. None of this would have been possible without the trust and support of our clients, collaborators, and community. Join us as we celebrate the Top 10 Successes of 2025:
After more than a century of standing, the Paulina Lake Dam on the Paulins Kill River in Warren County, NJ, was fully removed, marking a transformative milestone for one of New Jersey’s largest tributaries to the Delaware River. Led by The Nature Conservancy New Jersey and funded by NJDEP Division of Fish and Wildlife, this multi-phase project concluded this summer with the third and final phase that included adaptive management work and habitat enhancements to boost biodiversity. We provided engineering design and oversight throughout the effort helping restore natural river flow and improve ecological resilience. On the Farmington River in Connecticut, the Winchell-Smith Dam was fully removed after more than a decade of planning and collaboration. Spearheaded by the Farmington River Watershed Association, this project reconnects 30 miles of critical upstream habitat, improving fish passage for species like American shad, alewife, and American eel. We contributed engineering, design, and project oversight, working alongside partners including Miss Porter’s School, CTDEEP Fisheries, and RiverLogic Solutions. The removal enhances ecological health, fish passage, public safety, and recreational opportunities along one of New England’s most celebrated rivers.
We delivered incredible results for our nonprofit and government partners, securing over $3.2 million in funding to support projects that restore ecosystems, enhance habitats, improve water quality, and implement watershed-based green infrastructure and stormwater BMPs, with grants awarded through the National Fish and Wildlife Foundation’s Delaware Watershed Conservation Fund and Section 319(h) of the federal Clean Water Act, administered by NJDEP’s Watershed and Land Management Program. We assisted the Borough of Mountain Lakes in securing grant funding from the New Jersey Highlands Council to develop a comprehensive Lake and Watershed Management Plan for nine lakes within the Borough. Also noteworthy: of the 17 total 319(h) grants awarded statewide this year, we’re proud to be a partner on five, demonstrating our commitment to advancing watershed restoration and sustainability.
In partnership with Friends of Hopewell Valley Open Space, we kicked off a groundbreaking research project: “Monitoring Harmful Algal Blooms (HABs) in the Delaware River Watershed Using Drones and Spatial Analysis.” Funded by the National Fish and Wildlife Foundation through the Delaware Watershed Conservation Fund, this $1M initiative leverages drone technology, advanced data modeling, and community science to improve forecasting and management of HABs across a 73-mile stretch of the Delaware River and 23 associated waterbodies. We conceptualized and designed the project and are leading technical implementation, including field survey design, drone operations, data analysis, and volunteer training. By integrating drone-based remote sensing, on-the-water sampling, and spatial analysis, we aim to develop predictive tools for early detection and mitigation of HABs, helping protect drinking water supplies, wildlife, and local economies. This collaborative effort includes partners such as NYC College of Technology, Trenton Water Works, Mercer County Park Commission, The College of New Jersey, Aqua-PA, Philadelphia Water Department, Bucks County Conservation District, and Turner Designs. Data collection began in August will resume in Spring/Summer 2026 and culminate in 2027 with a final report.
Just this month, Princeton Hydro was honored with the Princeton Mercer Regional Chamber “Innovator of the Year” Award and President Geoffrey M. Goll, PE received the “Notable Achievement” Award from SAME New Jersey Post during their Annual Holiday Luncheon. Geoffrey also received a “Lifetime Achievement Award” from the New Jersey Highlands Coalition for his dedication to protecting and enhancing New Jersey’s environmental, cultural, and natural resources. For another year in row, Princeton Hydro was recognized as one of New Jersey’s “Top Workplaces of 2025.” In partnership with Warrington Township, our transformative ecological uplift initiative at Lion’s Pride Park won the 2025 Pennsylvania Governor’s Award for Environmental Excellence. We were selected as the recipient of the Friends of Hopewell Valley Open Space “Corporate Conservation Recognition” Award, a distinction that celebrates our long-standing dedication to advancing ecological resilience through science-based, innovative solutions. And, along with Crow Holdings, we were chosen for the United Away “Spirit of Philanthropy” Award.
In New York, we completed the Spring Creek North Ecosystem Restoration Project, revitalizing 43 acres of degraded habitat within the historic Jamaica Bay salt marsh system. The project restored a mosaic of ecosystems, including low marsh, high marsh, scrub-shrub wetland, and maritime upland, through activities like recontouring uplands to intertidal elevations, thin-layer sand placement, invasive species removal, and native plantings. This effort improves water quality, biodiversity, and wildlife habitat, contributing to the long-term health of Jamaica Bay. In the Meadowlands of New Jersey, we helped design and build the Steven R. Rothman Overlook and Preserve, a new five-acre public open space within the 587-acre Richard P. Kane Natural Area. The site offers ADA-accessible trails, sweeping views of the Meadowlands and NYC skyline, and a gateway into one of the state’s most ecologically significant landscapes along the Atlantic Flyway. We provided environmental, civil, and geotechnical engineering, landscape architecture, and construction oversight, ensuring the space honors decades of conservation work while creating opportunities for community connection and nature-based recreation.
Our team continues to shine, reaching new heights in research, professional development, and industry leadership. Senior Wildlife Biologist Michael McGraw, CSE, QAWB, ACE co-authored a study published in Agriculture, Ecosystems & Environment, a leading journal in agroecological research, and was featured on the Native Plants, Healthy Planet podcast, a Top 20 Nature Apple podcast with over 7,000 monthly listeners. Senior Director of Field Services Scott Churm became a PRO Certified EutroSORB® Specialist, and Geotechnical Engineer Matthew Pappas, CSS earned the highly respected Certified Construction Specifier credential from the Construction Specifications Institute. We also welcomed five new team members: Controller Andy Ryba; Senior Water Resources Engineer Rich Farella, PE, CFM; Staff Engineer Patricia Hurley, EIT; Marketing & Proposal Manager Amie Souza, and Aquatics Project Manager Tanya Dapkey, CE who earned her ESA Certified Ecologist credential this year. Way to go, team! Your dedication and talent continue to inspire us all.
Princeton Hydro teamed up with Billion Oyster Project, AKRF, and Monmouth University to explore how restored oyster reefs are revitalizing New York City’s waterways. The project, “Monitoring of Mobile Estuarine Organisms at Restored Oyster Reefs,” combines hands-on species surveys with cutting-edge environmental DNA (eDNA) analysis to capture a complete picture of reef biodiversity. As the field sampling lead, our team conducted monitoring at sites including Brooklyn Bridge Park, Bush Terminal Park, Flushing Bay, and Paedergat Basin. These efforts revealed a diverse array of estuarine life, from schooling fish to a surprise dogfish, and collected eDNA samples for advanced species detection. By integrating traditional sampling with innovative genetic tools, this collaboration is helping refine strategies for scaling up oyster reef restoration and strengthening the ecological resilience of New York Harbor.
This year, Princeton Hydro shared expertise on the global stage and celebrated major milestones in international river restoration. Senior Technical Director of Ecological Services Dr. Fred Lubnow traveled to Lisbon, Portugal, for the 17th International Symposium on Aquatic Plants, where he presented on managing submerged aquatic vegetation to prevent harmful algal blooms. Director of Aquatics Michael Hartshorne spoke at the Southern African Society for Aquatic Scientists Congress in Pietermaritzburg, South Africa, an event that convened researchers, industry professionals, and government leaders to advance aquatic science through collaboration and applied research. President Geoffrey M. Goll, PE, participated in a symposium in Durban, South Africa, focused on Dam Management and Restoration of River Connectivity organized by Dam Removal South Africa and the Institute of Natural Resources. We also celebrated progress in Portugal: Dam Removal Europe published a new case study on the Perofilho Weir removal and stream restoration project in Santarém for which Geoffrey M. Goll contributed to the removal design, helping reconnect 2.5 km of stream habitat and restore fish passage. In February, we published a blog highlighting Geoffrey’s ongoing collaboration in Portugal and his October 2024 visit to key restoration sites, showcasing how barrier removal is addressing river fragmentation and creating a blueprint for future efforts.
We collaborated with the Bucks County Conservation District and Bucks County Planning Commission to launch the Lake Luxembourg Restoration StoryMap, an interactive tool that chronicles the decade-long effort to restore Lake Luxembourg’s Conservation Pool. This dynamic resource combines maps, multimedia, and storytelling to make restoration details accessible to the public. Working with Rutgers University’s Climate Change Resource Center and The Nature Conservancy, we contributed technical expertise to the New Jersey Nature-Based Solutions: Planning, Implementation, and Monitoring Reference Guide. This comprehensive guide offers science-based strategies, case studies, and funding resources to help communities implement nature-based solutions statewide. In partnership with the Borough of Harveys Lake, we developed a ArcGIS StoryMap that chronicles the community’s long-standing commitment to water quality, showcases a pilot project aimed at reducing stormwater nutrient pollution, and connects local efforts to broader Chesapeake Bay watershed health. And, for the Lower Makefield Township Environmental Advisory Council, Geoffrey M. Goll, PE, developed a Rain Gardens 101 step-by-step tutorial on designing and building rain gardens. The recorded presentation, now available to the public, provides practical tips and visuals to help homeowners improve stormwater management and support pollinator habitats.
We strengthened partnerships and advanced critical conversations through a year of dynamic engagement. From technical conferences to community events, our team shared expertise, fostered collaboration, and inspired action on climate resilience, water quality, and ecosystem restoration. Princeton Hydro was proud to participate as a sponsor, exhibitor, and session presenter at the New Jersey Association for Floodplain Management 20th Annual Conference and Exhibition – Christiana Pollack, CERP, CFM, GISP, Director of Restoration and Resilience, presented on strategies to address climate-driven impacts in Philadelphia and Clay Emerson, PhD, PE, CFM, Senior Technical Director of Engineering, led a session on establishing a stormwater utility. We participated in six SAME events, including the National Small Business Conference in Phoenix, AZ. President Geoffrey M. Goll, PE, presented to 300+ attendees during the 2025 National Dam Safety Program Technical Seminar. We gave two presentations at the Society for Ecological Restoration World Conference. Senior Manager of Aquatics Chris L. Mikolajczyk, CLM, and Senior Technical Director of Ecological Services Dr. Fred Lubnow presented at the 42nd Annual NYSFOLA Conference. As part of the Invasive Aquatic Plant Management portion of the Northeast Aquatic Plant Management Society Annual Meeting, Aquatic Ecologist Jesse Smith led a workshop on Brittle Naiad (Najas minor) Management. Aquatics Project Manager and Environmental Scientist Pat Rose presented at NJDEP’s 6th Annual Harmful Algal Bloom Summit. During the New Jersey Coastal Resilience Collaborative for its Coastal Ecological Restoration Technical Workshop, Director of Marketing & Communications, Dana Patterson Grear, presented “How to Build a Digital Communications Toolkit for Climate Action.” Locally, we celebrated community and stewardship through events like the Trenton Reel and Restore Day and Trenton River Fest. These are just a few highlights from a truly impactful year!
As we look back on these achievements, we are deeply grateful for the relationships that made them possible. Your confidence in and support of our mission empowers us to innovate, restore, and protect the natural resources we all depend on. Here’s to building on this momentum in 2026 and continuing to make a positive impact together!
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