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.
WP_Query Object ( [query] => Array ( [page] => [pagename] => blog ) [query_vars] => Array ( [page] => 0 [pagename] => blog [error] => [m] => [p] => 0 [post_parent] => [subpost] => [subpost_id] => [attachment] => [attachment_id] => 0 [name] => [page_id] => 0 [second] => [minute] => [hour] => [day] => 0 [monthnum] => 0 [year] => 0 [w] => 0 [category_name] => environmental-action [tag] => [cat] => 32 [tag_id] => [author] => [author_name] => [feed] => [tb] => [paged] => 1 [meta_key] => [meta_value] => [preview] => [s] => [sentence] => [title] => [fields] => [menu_order] => [embed] => [category__in] => Array ( [0] => 32 ) [category__not_in] => Array ( ) [category__and] => Array ( ) [post__in] => Array ( ) [post__not_in] => Array ( ) [post_name__in] => Array ( ) [tag__in] => Array ( ) [tag__not_in] => Array ( ) [tag__and] => Array ( ) [tag_slug__in] => Array ( ) [tag_slug__and] => Array ( ) [post_parent__in] => Array ( ) [post_parent__not_in] => Array ( ) [author__in] => Array ( ) [author__not_in] => Array ( ) [search_columns] => Array ( ) [posts_per_page] => 11 [ignore_sticky_posts] => [suppress_filters] => [cache_results] => 1 [update_post_term_cache] => 1 [update_menu_item_cache] => [lazy_load_term_meta] => 1 [update_post_meta_cache] => 1 [post_type] => [nopaging] => [comments_per_page] => 5 [no_found_rows] => [order] => DESC ) [tax_query] => WP_Tax_Query Object ( [queries] => Array ( [0] => Array ( [taxonomy] => category [terms] => Array ( [0] => 32 ) [field] => term_id [operator] => IN [include_children] => ) ) [relation] => AND [table_aliases:protected] => Array ( [0] => ph_term_relationships ) [queried_terms] => Array ( [category] => Array ( [terms] => Array ( [0] => 32 ) [field] => term_id ) ) [primary_table] => ph_posts [primary_id_column] => ID ) [meta_query] => WP_Meta_Query Object ( [queries] => Array ( ) [relation] => [meta_table] => [meta_id_column] => [primary_table] => [primary_id_column] => [table_aliases:protected] => Array ( ) [clauses:protected] => Array ( ) [has_or_relation:protected] => ) [date_query] => [queried_object] => WP_Post Object ( [ID] => 6 [post_author] => 1 [post_date] => 2021-01-18 12:51:43 [post_date_gmt] => 2021-01-18 12:51:43 [post_content] => [post_title] => Blog [post_excerpt] => [post_status] => publish [comment_status] => closed [ping_status] => closed [post_password] => [post_name] => blog [to_ping] => [pinged] => [post_modified] => 2021-01-18 12:51:43 [post_modified_gmt] => 2021-01-18 12:51:43 [post_content_filtered] => [post_parent] => 0 [guid] => https://princetonhydro.com/?page_id=6 [menu_order] => 0 [post_type] => page [post_mime_type] => [comment_count] => 0 [filter] => raw ) [queried_object_id] => 6 [request] => SELECT SQL_CALC_FOUND_ROWS ph_posts.ID FROM ph_posts LEFT JOIN ph_term_relationships ON (ph_posts.ID = ph_term_relationships.object_id) WHERE 1=1 AND ( ph_term_relationships.term_taxonomy_id IN (32) ) AND ((ph_posts.post_type = 'post' AND (ph_posts.post_status = 'publish' OR ph_posts.post_status = 'acf-disabled'))) GROUP BY ph_posts.ID ORDER BY ph_posts.menu_order, ph_posts.post_date DESC LIMIT 0, 11 [posts] => Array ( [0] => WP_Post Object ( [ID] => 17439 [post_author] => 1 [post_date] => 2025-04-16 14:12:39 [post_date_gmt] => 2025-04-16 14:12:39 [post_content] => Earth Day is more than a date on the calendar—it’s a gentle nudge to reconnect with the natural world around us, and a reminder that everyday actions can shape a more sustainable future. Whether you’re tending a garden, removing invasive plants, or picking up litter while out on a walk, these small steps add up to a healthier, more resilient planet. This year, our team found a few fun and meaningful ways to mark the occasion—and we hope this inspires you to get outside and get growing, too. Get Your Garden Spring-Ready: 5 Simple Tips [gallery link="none" ids="1163,17443,2043"] Spring is the perfect season to take action in your yard or community green space. Whether you’re a seasoned gardener or just starting out, here are a few tips from our team to help your garden thrive: Prep Your Soil: Loosen the ground and give it a good soak before planting. This helps roots settle in and access nutrients more easily. Choose Natives: Native plants are adapted to local conditions, support pollinators, and often require less maintenance and water. Tame the Invasives: Remove or reduce invasive species early in the season before they take hold. It’s a simple way to give native plants room to grow. Tickle Those Roots: When transplanting plugs or potted plants, gently loosen the roots. It helps the plant establish itself faster. Water Deeply: Give new plantings a thorough watering to help them recover from transplant shock and get settled in their new home. Looking for more tips? Princeton Hydro landscape architects Jamie Feinstein, RLA and Cory Speroff, PLA, ASLA, CBLP shared their top spring gardening tips in an "Ask Me Anything" Facebook live Q&A session, including:
Earth Day is more than a date on the calendar—it’s a gentle nudge to reconnect with the natural world around us, and a reminder that everyday actions can shape a more sustainable future. Whether you’re tending a garden, removing invasive plants, or picking up litter while out on a walk, these small steps add up to a healthier, more resilient planet. This year, our team found a few fun and meaningful ways to mark the occasion—and we hope this inspires you to get outside and get growing, too.
Spring is the perfect season to take action in your yard or community green space. Whether you’re a seasoned gardener or just starting out, here are a few tips from our team to help your garden thrive:
Looking for more tips? Princeton Hydro landscape architects Jamie Feinstein, RLA and Cory Speroff, PLA, ASLA, CBLP shared their top spring gardening tips in an "Ask Me Anything" Facebook live Q&A session, including:
To welcome spring, members of the Princeton Hydro team spent an afternoon outside tending the native garden bed at the Trenton headquarters. Located at the front of the building, the perennial planting area features climate-adapted, drought-resistant native species chosen for their ecological benefits and aesthetic appeal.
Although perennials return year after year, they still benefit from seasonal care. Tasks like weeding, pruning, and loosening the soil support strong root systems, encourage healthy growth, and help maintain a thriving, sustainable garden ecosystem. Recognizing the garden's significance and the value of collaboration, our team united to accommodate and nurture this year's growth.
“It was a fun chance to unplug, get our hands in the dirt, and connect with coworkers in a different kind of ‘team meeting,’” said Mikhail Velez, Communications Coordinator. “It’ll be exciting to see how the space fills in over the season, and we’re looking forward to doing small things throughout the year to keep it healthy and thriving.”
Feeling inspired? Organizing a gardening day is a fun, low-cost way to give back to your environment and bring people together. Celebrate Earth Day 2025 by starting a garden, volunteering with a local environmental group, or organizing your own mini planting day with friends, family or coworkers.
Rain gardens are a beautiful, low-maintenance green infrastructure solution for managing stormwater, reducing erosion, and improving water quality by filtering pollutants before they reach local waterways. They also provide valuable habitat for pollinators and other beneficial wildlife.
On April 12, Princeton Hydro President Geoffrey M. Goll, P.E. led a free public workshop on how to build a rain garden of your own. Hosted in Yardley, PA by the Lower Makefield Township Environmental Advisory Council as part of their Environmental Lecture Series, the session offered practical, approachable guidance for managing stormwater at home.
Using photos from his own yard, Geoffrey walked attendees through how he designed and installed a rain garden to reduce runoff and eliminate pooling water. He shared ten easy-to-follow tips and answered questions on plant selection, drainage strategies, long-term maintenance, and when and why to amend soil before planting.
Want to learn more? Watch Geoffrey’s full presentation and get inspired to create your own eco-friendly solution to stormwater management:
The real spirit of Earth Day lies in our ongoing commitment to care for the natural world—not just once a year, but in everyday choices and community actions. As Geoffrey quoted in his rain garden presentation, "Small acts, when multiplied by millions of people, can transform the world." – Howard Zinn.
Each year on March 3rd, World Wildlife Day offers an opportunity to celebrate the incredible biodiversity of our planet and raise awareness about the importance of protecting and restoring critical habitats. In that spirit, we’re highlighting a transformative project that turned degraded wetlands into a thriving wildlife sanctuary: The Pin Oak Forest Stream, Wetland, and Upland Enhancement Project in Woodbridge, New Jersey, stands as a testament to the power of restoration and the lasting impact of ecological stewardship.
Located in a highly developed region of Middlesex County, the Pin Oak Forest Conservation Area is a rare ecological gem—a 97-acre open space containing a critical wetland complex at the headwaters of Woodbridge Creek. Before restoration efforts began, the area suffered from habitat fragmentation, wetland degradation, and the encroachment of invasive species, all of which had significantly reduced biodiversity and threatened native wildlife.
Recognizing the urgency of intervention, a diverse coalition of government agencies, NGOs, and private industry, including Middlesex County Office of Parks and Recreation, Woodbridge Township, Woodbridge River Watch, New Jersey Freshwater Wetlands Mitigation Council, GreenTrust Alliance, GreenVest, and Princeton Hydro, came together to design and implement a comprehensive restoration plan aimed at revitalizing the area’s natural functions.
The project converted nearly 29 acres of degraded wetlands, over 1,000 feet of channelized streams, and disturbed uplands into a vibrant, species-rich ecosystem. By reconnecting the stream to its floodplain and incorporating microtopography techniques, the restoration team created a varied landscape that supports multiple habitat communities and improves groundwater infiltration—essential elements for sustaining wildlife.
The transformation of Pin Oak Forest into a high-functioning wetland complex has had profound impacts. The site now provides critical habitat for a range of species, including the state-threatened Black-crowned Night-Heron (Nycticorax nycticorax) and Red-headed Woodpecker (Melanerpes erythrocephalus). The reestablishment of native vegetation, such as pin oak (Quercus palustris), swamp white oak (Quercus bicolor), and swamp rose (Rosa palustris), has further enhanced the ecosystem, creating food sources and nesting areas for birds, amphibians, and pollinators.
By managing invasive species and allowing native flora to flourish, biodiversity has significantly increased. The restored headwater wetland system supports a delicate balance of aquatic and terrestrial life, creating a vital refuge for countless species amid an otherwise urbanized landscape.
This success story highlights how thoughtful ecological restoration can bring degraded environments back to life, providing a lasting benefit for wildlife and the surrounding community alike.
On this World Wildlife Day, the Pin Oak Forest project serves as an inspiring reminder of what’s possible when partnerships, science, and dedication converge to protect and restore critical habitats. The work done here is not just about the past—it’s about shaping a future where wildlife and people can thrive together.
At Princeton Hydro, we remain committed to advancing ecological restoration, ensuring that more landscapes like Pin Oak Forest can be revitalized for generations to come. We hope that by reflecting on the success of this project, more communities and organizations will be inspired to take action in preserving and restoring the natural world and pledge to protect the wildlife that makes our planet so extraordinary.
To learn more about the award-winning Pin Oak project and see additional restoration photos, click here.
An ambitious project is underway to eradicate the invasive Silty Pond Mussel (formerly known as the Chinese pond mussel, Sinanodonta woodiana) from the Wickecheoke Creek Preserve in New Jersey. This critical initiative seeks to protect local ecosystems, safeguard native aquatic species, and prevent the spread of these aggressive invaders into the broader Delaware River ecosystem.
The Silty Pond Mussel was first discovered in the United States in 2010 at a former fish farm in Hunterdon County, now part of NJ Conservation Foundation’s Wickecheoke Creek Preserve. It is believed the mussels arrived as glochidia (a microscopic larval stage of some freshwater mussels) attached to the gills of bighead carp, another invasive species imported from China by the farm's previous owners. Initially overlooked and undocumented in North America, the mussels quickly established a foothold in the Preserve's ponds, threatening local ecosystems.
These invasive mussels, which can grow to the size of a small football, form high-density colonies that pose a severe threat to native organisms. This aggressive species outcompetes native mussels for nutrients and habitat, altering water chemistry in the process and drastically depleting the local ecosystem of resources essential to native plants and animals. Additionally, once the Silty Pond Mussel glochidia attach to the gills of native fish, a biological reaction occurs that ultimately kills the host fish thus preventing native mussels from completing their own life cycle on these fish hosts. This dual impact — monopolizing food and habitat resources as adults while denying native mussels access to necessary host fish — makes the Silty Pond Mussel especially harmful to local ecosystems.
Following the initial discovery, DNA testing conducted by the NJ Invasive Species Strike Team, New Jersey Endangered & Nongame Species Program, and the North Carolina State Museum of Natural Sciences confirmed the presence of this invasive species, marking the first documentation of the Silty Pond Mussel in North America. Early eradication efforts began shortly thereafter.
Since 2019, a coalition of partners has expanded these efforts and remained committed to the complete eradication of the Silty Pond Mussel species. Led by NJDEP Fish & Wildlife and including organizations such as tthe U.S. Fish & Wildlife Service, NJ Conservation Foundation, Rutgers University, NJ Water Supply Authority, U.S. Department of the Interior's Office of Restoration and Damage Assessment (ORDA) and Princeton Hydro, the project has focused on surveying waterways using SCUBA, snorkel and physical analysis; utilizing environmental DNA (eDNA) testing to detect the presence of mussels in a waterbody; and applying targeted treatments. Community engagement and education are also central to these efforts, emphasizing the importance of collaboration in tackling this ecological threat.
Geoffrey M. Goll, P.E., President of Princeton Hydro, emphasized the collaborative nature of the efforts: "This initiative exemplifies the power of partnership and innovation in tackling environmental challenges. Together, we are making significant strides in preserving our state's rich biodiversity."
The Wickecheoke Creek Preserve, home to nearly 400 native plant species and a wide variety of wildlife, includes 14 miles of streams and flows directly into the D&R Canal, which supplies clean drinking water to one million New Jersey residents. New Jersey is also home to 12 native freshwater mussel species, nine of which are classified as Endangered, Threatened, or of Special Concern, further underscoring the the urgency of preventing this aggressive invasive species from spreading. Left unchecked, the Silty Pond Mussel could disrupt one of the most biodiverse freshwater regions in the country and cause significant ecological harm. Swift action to address this invasive species is essential to protecting the Wickecheoke Creek Preserve, safeguarding native species, and preserving the health of the Delaware River watershed.
Each project partner plays an essential roles in the eradication process. Rutgers University is performing the environmental DNA (eDNA) monitoring and analyzing the results. Princeton Hydro is applying targeted treatments to the ponds where the mussels were initially detected, and, if eDNA or physical sampling reveals signs of the mussels in other water bodies, the team will extend these treatments accordingly. Using a highly specialized approach, Princeton Hydro’s licensed applicators have partnered with SePRO to apply Natrix, an EPA-registered pesticide developed specifically for managing invasive mollusk populations. The 2024 phase of the project has incorporated significant advancements in treatment design. The team’s strategy is both preventative and responsive. The project has garnered financial support from the U.S. Fish and Wildlife Service and the Delaware River Greenway Partnership through the Lower Delaware Wild and Scenic Program.
In addition to treatment, Princeton Hydro is focused on rigorous documentation and educational outreach. “It’s important for us to record every aspect of this project, not only from a scientific perspective but also for public education,” said the Princeton Hydro Director of Marketing & Communications Dana Patterson Grear. “We want to ensure this species is contained here and prevented from spreading throughout New Jersey or, worse, across the United States.” As part of these efforts, Princeton Hydro aims to share detailed information on the Silty Pond Mussel’s characteristics and identification markers. “By educating communities and environmental stakeholders on what to look for, we hope to empower rapid responses in other areas, should the species appear elsewhere,” said Patterson Grear.
As part of the project's commitment to transparency and education, New Jersey DEP Fish & Wildlife created a detailed video to showcase the silty pond mussel eradication and identification efforts. This video delves deeper into the techniques and collaborative approaches being used to address the invasive species. We encourage you to watch the video to gain a comprehensive understanding of the challenges faced and the innovative strategies employed in this groundbreaking effort.
To learn more about invasive species, obtain practical tips for identifying and managing invasives, and take actions to help protect our local ecosystems, click here to check out our recent blog.
The New Jersey Department of Environmental Protection (NJDEP) launched its fourth annual Youth Inclusion Initiative. The program hopes to enrich young participants, who may not have the opportunity to explore open spaces in their community, with hands-on environmental field experience under the tutelage of NJDEP professionals and mentors.
This year’s participants consisted of youths from several different community-based organizations. These partners include Neighborhood Improvement Association (Trenton), Rutgers-Camden, The Work Group (Camden), Ranch Hope (Salem), Boys and Girls Club of Garfield, Groundwork Elizabeth, Ironbound Community Corporation (Newark), and United Community Corporation (Newark).
Over six weeks, eight community organizations guided participants as they engaged with professionals to explore careers in water and air monitoring, natural resource management, wildlife conservation, and other related fields. Additionally, a new component of the program introduces "community project days," where participants actively contribute to environmental projects within their neighborhoods. These projects enable participants to make a positive impact on their communities, fostering a sense of civic pride and environmental stewardship. Activities may include park cleanups, installing educational exhibits, and establishing community gardens.
The program has been expanded to include a full day of rehearsal, with a focus on public speaking abilities and mock interviews, regarded as integral components of professional development. Throughout the summer, participants will engage in resume and cover letter writing sessions and attend presentations led by guest speakers.
In addition to fostering personal and professional growth, participants devoted a substantial amount of their time to honing technical skills through hands-on activities. These activities included simulating environmental impact investigations, collecting macroinvertebrates from a stream to gauge water quality, interacting with fish at a state trout hatchery, and designing a park in collaboration with Green Acres staff. To further enrich their understanding, the program also incorporates a visit to the regional headquarters of the U.S. Environmental Protection Agency.
As part of this initiative for the third year in a row, the NJDEP's Division of Land Resource Protection Mitigation Unit invited Princeton Hydro and Mercer County Park Commission to host three sessions at John A. Roebling Park. Under the guidance of Princeton Hydro mentors Mark Gallagher, Dana Patterson Grear, and Mike McGraw, the team educated young participants about invasive species and the importance of restoring native landscapes. The initiative exposed attendees to the varied roles of environmental scientists, water resource engineers, geologists, restoration ecologists, wildlife biologist, pesticide applicators, regulatory compliance specialists, and communications professionals, thereby enhancing their understanding of these professions and sparking a fascination for the natural world.
The program began at Tulpehaking Nature Center like in previous years. After representatives from Mercer County Park Commission and Friends of the Abbott Marshlands introduced the site's history, Princeton Hydro discussed career opportunities in conservation and gave a brief overview of ongoing restoration efforts in the park to eliminate the invasive Common Reed (Phragmites australis), and NJDEP representative, Jessica Klein, gave a presentation about her work in wetland mitigation.
Before venturing into the Abbott Marshlands, the northernmost freshwater tidal wetlands along the Delaware River, the Princeton Hydro team conducted a health and safety briefing. They highlighted potential risks and exposures to ensure everyone's awareness. This briefing is a crucial part of prioritizing the safety of all participants in our work.
Shortly after setting out on the road to the site, the students received an additional lesson. Mark directed their attention to a nearby tree where poison ivy - a native plant - had stealthily climbed up the trunk. To their surprise, the young participants had mistaken the trailing vines for branches of the tree. This observation highlighted the remarkable ability of poison ivy to adapt to its surroundings, finding innovative ways to persist and thrive in its environment.
As the second group continued their journey down the path, they encountered a Fowler’s toad. Initially, its slippery texture startled them, but they quickly realized the frog's harmless nature. Through gentle pats on its head, they gained a newfound appreciation for these fascinating creatures, transforming their initial fear into a sense of wonder and respect.
Venturing through the marshland, the young explorers gained insights into wetland delineation. They witnessed the fascinating process of using a hand auger and a Munsell Soil Color Book to identify and understand the unique characteristics of wetland soils. In a delightful exploration of local flora, participants delved into the art of species identification using a specialized field guide. They learned to distinguish invasive plant species from their native counterparts, such as sensitive fern, which they were able to see during a short nature walk on a trail back to the nature center.
In a seemingly unremarkable area of the riverbank, the third group stumbled upon a startling discovery. Amidst the lush vegetation, a highly toxic plant known as poison hemlock flourished. The students were taken aback by its presence in an otherwise ordinary location. They had never encountered such a hazardous plant in their previous studies. The poison hemlock, with its delicate white flowers and feathery leaves, belied its deadly nature. The students were captivated by its beauty, but the instructors cautioned them against touching.
The encounter with poison hemlock and poison ivy served as a valuable lesson for the students. They realized that even in seemingly ordinary places, hidden dangers could lurk. They developed a newfound respect for the power of nature and the importance of exercising caution when exploring unfamiliar environments.
Ending the day, participants from the first group had the privilege of attending a lesson conducted by Wildlife Biologist Mike McGraw. With the assistance of the Nature Center's resident corn snake, Mike introduced the students to the fascinating world of reptiles. Overcoming their initial apprehension towards these slithery creatures, the students discovered that there was much more to snakes than they had previously imagined. Mike dispelled common misconceptions and fears, explaining that snakes are not inherently dangerous creatures but rather play a vital role in maintaining the balance of ecosystems.
The NJDEP Youth Inclusion Initiative began on July 8 and culminated on August 16 with a graduation and NJDEP Career Day where students had the opportunity to meet and discuss career options with various organizations who tabled at the event, including Princeton Hydro.
To learn more about the NJDEP education program, click here. If you’re interested in learning more about Princeton Hydro’s ecological restoration services, click here.
July is Lakes Appreciation Month, an annual celebration dedicated to highlighting the value and wonder of our lakes and reservoirs. Established by the North American Lake Management Society (NALMS) in 1998, this initiative aims to foster a greater appreciation for these vital water bodies and encourage action to safeguard them. Join us this year as we explore three exciting and meaningful ways to engage with, enjoy, and protect our lakes.
Dive into Lakes Appreciation Month by soaking up the beauty of your local lakes. Whether you’re a bird-watching enthusiast, a kayaking adventurer, a fishing fanatic, or a nature lover who enjoys serene walks, getting outdoors for some lakeside enjoyment is the perfect way to show your appreciation for these natural treasures.
While you're out enjoying your community lakes, participate in the NALMS "Show Your Lakes Appreciation" Photo Contest Challenge! Throughout July, share a #lakeselfie or photos of your friends, family and pets, enjoying or working on a lake or reservoir. Post your pictures on Facebook, Twitter, or Instagram with a fun or informative caption, the name of the lake, and the hashtag #LakesAppreciation. Be sure to tag NALMS in your post for a chance to win exciting prizes. The contest runs from July 1st to 31st, with winners announced on August 2nd.
Always remember to respect nature by following Leave No Trace principles, ensuring our lakes stay pristine and beautiful for everyone to enjoy.
Monitoring the health of our lakes is essential for preserving their ecological balance and ensuring they remain vibrant, safe, and enjoyable.
You can contribute to this effort by joining the annual Secchi Dip-In, a citizen science project where volunteers across North America measure water clarity using a Secchi disk. This event, organized by NALMS, helps track changes in water quality over time. By participating, you contribute valuable data to support lake conservation efforts. It's simple to get involved: obtain a Secchi disk, measure the transparency of your lake, and submit your findings online. Check out our instruction video for more info:
In addition to measuring water clarity, keep an eye out for harmful algal blooms (HABs). HABs can produce toxins that negatively impact water quality and aquatic life. To track and report HABs consider using the bloomWatch app, a crowdsourced citizen-science tool that allows you to take photos of possible blooms and submit them through the app, sending the information to relevant state officials for further action. Monitoring and reporting HABs is a crucial step in protecting our lakes.
Volunteering for lake cleanups is a rewarding way to contribute to environmental stewardship, protect water quality, and enhance recreational spaces. Gather friends, family, or community members to spend a day picking up trash and debris around your favorite lake. This not only improves the health and beauty of the lake but also fosters a sense of community pride and collective responsibility. Many lake associations and environmental groups host regular cleanup events, so check their calendars or consider starting your own initiative.
For Lake Hopatcong, New Jersey's largest lake, the Lake Hopatcong Foundation, a long-time client partner of Princeton Hydro, offers a "Lake Hopatcong Water Scout" volunteer program. Water Scouts are responsible for identifying and removing instances of the invasive water chestnut species. Volunteers survey their assigned areas at least once between mid-June and mid-July. You can choose your preferred location to volunteer by reviewing the available areas on their website map. Reach out to your local lake association to find similar opportunities for cleanup and lake stewardship activities.
By raising awareness, fostering collaboration, and implementing effective strategies, we can work towards safeguarding the health and sustainability of our freshwater ecosystems. Let's come together this July to celebrate, protect, and cherish our lakes, ensuring they remain healthy and vibrant for future generations. For more ideas on how to celebrate Lakes Appreciation Month and to learn about NALMS, visit their website. For more information on Princeton Hydro's expansive lake and natural resource management services, go here.
The removal of Bushkill Creek Dam #2 is now underway, marking yet another remarkable milestone in the rejuvenation of this treasured limestone stream. This achievement comes on the heels of four successfully completed dam removals since 2021, highlighting the swift progress in the revitalization efforts for Bushkill Creek.
This latest endeavor holds immense significance in facilitating the passage of migratory fish species, such as alewife and American shad, to vital upstream spawning grounds. It contributes to the recovery of ecologically-beneficial freshwater mussels and the bolstering of populations of trout and other resident fish species. And, it marks another important step in returning Bushkill Creek to its natural, free-flowing state.
During a recent site visit, Princeton Hydro President and Founding Principal Geoffrey M. Goll, P.E. took a moment to reflect on the years of hard work that have culminated in this significant milestone. Watch now:
In 2022, Wildlands Conservancy enlisted the expertise of Princeton Hydro to embark on a mission to remove four dams along Bushkill Creek. The successful removal of the Crayola Dam, also known as Dam #4, marked the beginning of this transformative journey. Subsequently, in 2023, Dams #1 and #3 were dismantled. Now, we celebrate the commencement of the removal of Dam #2.
Bushkill Creek flows 22-miles through agricultural and suburban landscape before converging with the Delaware River. Dam #2, situated upstream from the Creek’s confluence with the Delaware River, obstructed fish passage, exacerbated local flooding, and degraded water quality, much like its counterparts. Its removal represents a significant leap forward in the restoration of Bushkill Creek's ecological health.
The ongoing restoration of Bushkill Creek is a testament to the dedication of over 20 stakeholders, including, but not limited to, Wildlands Conservancy, the Delaware River Basin Commission, Lafayette College, Pennsylvania Department of Environmental Protection, National Fish and Wildlife Foundation, Pennsylvania Department of Conservation and Natural Resources, and Princeton Hydro.
Funding for the projects has stemmed from various sources, including a settlement following a fly ash spill from the Martins Creek Power Plant in 2005. This settlement, coupled with contributions from organizations like NFWF’s Delaware Watershed Conservation Fund and Northampton County’s Livable Landscapes program, propelled the initiative forward.
As we celebrate the start of removing Bushkill Creek Dam #2, we anticipate continued progress in the revitalization of this vital waterway. Each dam removed brings us closer to realizing the vision of a thriving, free-flowing Bushkill Creek, benefitting both the environment and local communities.
Wildlands Conservancy, a non-profit land trust based in eastern Pennsylvania, is dedicated to the restoration of degraded stream and wildlife habitats, with a primary focus on the Lehigh Valley and the extensive Lehigh River watershed. Spanning 1,345 square miles, this watershed eventually merges with the Delaware River.
For over a decade, Princeton Hydro has been a steadfast partner to Wildlands Conservancy in their mission, collaborating on multiple dam removal projects in the Lehigh River Valley. With expertise in design, permitting, and oversight, Princeton Hydro has played a pivotal role in the removal of over 80 small and large dams/barriers across the Northeast.
To explore Princeton Hydro's comprehensive fish passage and dam removal engineering services, click here. For more information about Wildlands Conservancy and their conservation efforts, click here.
Welcome to the latest edition of our Client Spotlight series, which provides an inside look at our collaboration, teamwork, and accomplishments with one of our client partners.
Today, we’re shining the spotlight on Farmington River Watershed Association (FRWA).
The FRWA is a citizen-based, 501(c)(3) nonprofit organization established in 1953 by a group of concerned citizens and community leaders to address the long-term degradation of the Farmington River. FRWA is committed to protecting, maintaining, and revitalizing the Farmington River and its watershed.
Farmington River runs for 46.7 miles along its main stem in northwest Connecticut, with major tributaries extending into southwest Massachusetts. Its longest route, originating from the West Branch, stretches 80.4 miles, making it the longest tributary of the Connecticut River. The watershed covers 609 square miles, supporting a variety of cold-water resident fish species and important habitats for migratory fish. It also serves as a critical public drinking water supply for hundreds of thousands of people in the Hartford region. Additionally, the West Branch of the Farmington is highly regarded for its exceptional trout fishery.
For this Client Spotlight, we spoke with FRWA Executive Director Aimee Petras via Zoom.
“FRWA addresses a range of challenges facing the Farmington River, including water quality, water distribution, habitat restoration, recreation, open space conservation, and the protection of wetlands and floodplains. We are dedicated to protecting and preserving the natural resources of the Farmington River Watershed through research, education, advocacy, and restoration.”
“Through research initiatives, we establish a comprehensive scientific understanding of watershed functions and health. We educate the public, government and business communities about the importance of a healthy river system. We advocate at the local, state and federal level for policies and actions that ensure the long-term protection of our watershed resources. And, we plan and implement restoration projects with long-lasting positive impacts on the river and surrounding ecosystems, engaging in hands-on stewardship through activities like fish habitat restoration, stormwater runoff reduction, and re-vegetating streambanks with native plants.”
"The Farmington River is one of the first designated 'Partnership Wild & Scenic Rivers.' Its protection is ensured through the combined efforts of federal, state, and local governments, along with various organizations dedicated to preserving the river's health. Currently, 78.6 miles of the Farmington River are safeguarded under two different designations. The Upper Farmington River has a 15.1-mile designation, and the Lower Farmington River and Salmon Brook, cover 61.7 miles.”
“To earn the 'Wild and Scenic' designation, a river must possess at least one 'outstandingly remarkable' natural, cultural, or recreational value as defined by the federal Wild and Scenic Rivers Act. This recognition is a significant achievement that our organization is extremely proud of."
Click here to learn about the National Wild & Scenic Rivers designation.
Click here to learn more about FRWA's Rainbow Dam removal advocacy and related river protection initiatives.
"Removing the dam also restored natural river flow rates and enabled American shad, alewife, and blueback herring to swim upstream through Tariffville Gorge, accessing over 20 additional miles of river. Additionally, this removal uncovered a historically scenic waterfall at a popular fishing site, replacing the neglected dam with a beautiful natural feature."
“The removal of Winchell-Smith Dam restores access for aquatic organisms to a 30-mile stretch of the Farmington River upstream of the dam within the Connecticut River watershed. This area is a historic spawning habitat for species such as American shad, alewife, blueback herring, sea lamprey, and American eel. Removing the dam helps prevent local erosion and scour, clear barriers for migratory fish, eliminate hazards for river users, and repurpose existing timbers for historic preservation and educational purposes.”
To read the complete Pequabuck River Watershed Based Plan that Princeton Hydro developed for FRWA, click here.
“As a nonprofit organization, we continually seek support for our efforts. We encourage anyone interested to visit our website to learn about our programs, explore our research, access water quality reports, and understand our mission and priorities. There are numerous ways to get involved with FRWA, including donating, volunteering, participating in educational programs, or applying for internships. We are grateful to everyone who joins us in our mission to protect and restore our beautiful river.”
Get ready to explore the hidden wonders of nature right in the heart of Flemington, New Jersey!
We are thrilled to announce BioBlitz 2024, an exciting 24-hour event dedicated to discovering and documenting the diverse species that call Flemington Borough home.
Mark your calendars for this immersive citizen science experience starting on Saturday, June 22nd at 11 AM and concluding on Sunday, June 23rd at 12 PM, hosted by Flemington DIY, with experts from Princeton Hydro and Hunterdon County Queer Birders.
A BioBlitz is a community-driven event where volunteers and scientists come together to identify and record as many species as possible within a designated area over a short period. Unlike traditional scientific surveys that typically must be implemented by licensed professionals, a BioBlitz invites people of all ages and backgrounds to participate, fostering a connection between the community and its local environment. The goal is to create a snapshot of biodiversity, providing valuable data for ecological studies and conservation efforts.
Discover Local Wildlife: Whether you're a seasoned naturalist or just curious about nature, this event offers a unique opportunity to explore Flemington's urban and natural landscapes. You'll have the chance to observe a variety of plants, animals, and other organisms, some of which you may have never noticed before.
Contribute to Science: By documenting species using the iNaturalist app, your observations will contribute to a growing database that helps scientists and researchers understand and protect local biodiversity. Your findings can make a difference in ongoing conservation efforts.
Connect with the Community: BioBlitz 2024 is a chance to meet fellow nature enthusiasts, learn from experts, and work together towards a common goal. It's a fun, educational experience for families, students, teachers, and anyone interested in the natural world.
Located in the watershed of the South Branch of the Raritan River and home to sections of watershed attached to Prescott Brook, Bushkill Creek, Walnut Brook, and the First Neshanic River, Flemington's diverse environments offer a unique setting for this event. Residents of the Borough are highly encouraged to document the wildlife in their own backyards as part of the event.
Participating in the BioBlitz will help create a comprehensive baseline species list that can be compared with future studies and historical data. This information is crucial for understanding how local biodiversity changes over time and for making informed decisions about environmental conservation.
The idea for Flemington’s BioBlitz was inspired by Princeton Hydro Aquatic Ecologist Jesse Smith. Jesse’s vision of engaging the community in a collaborative effort to explore local biodiversity led to this inaugural event, hosted by Flemington DIY.
“My idea to do this BioBlitz came from an interest in knowing more about what was present in Flemington, with a hope that this event will help others become more interested in the natural world in their backyard,” said Jesse Smith, event coordinator, Flemington DIY volunteer, and Aquatic Ecologist at Princeton Hydro.
This event will span 24 hours in order to provide participants an opportunity to document species that are more active at dusk, dawn, and at night. The event is free and open to all ages. Children under 18 must be accompanied by an adult.
Location: Flemington DIY, 26 Stangl Road, Flemington, NJ
Start Date & Time: Plan to arrive at Flemington DIY on Saturday, June 22 at 11 AM to check-in and review important event details.
BioBlitz Timeframe:The documentation phase kicks off on June 22 at noon and wraps up on June 23 at noon. Although the event spans a full 24 hours, participants are not expected to be actively documenting the entire time. You can choose the times that best fit your schedule within this 24-hour window.
End Date & Time: Return to Flemington DIY on 6/23 at 12pm for the conclusion of the BioBlitz to review collected data and celebrate our findings!
What to Bring: Download the iNaturalist app on your smartphone for species identification. No prior expertise is required, and field guides will be provided. Wear comfortable shoes and bring rain gear just in case.
Whether you’re passionate about birds, plants and insects, curious about the natural world, or looking for a fun excuse to get outside, BioBlitz 2024 is the perfect opportunity to immerse yourself in Flemington’s rich biodiversity. Let’s come together to discover, learn, and contribute to our community’s natural heritage. For more information and to register for the event, please visit Flemington DIY's BioBlitz page.
As we reflect on the winter of 2023-2024, it's evident that New Jersey experienced another unusually mild season, mirroring the winter of 2022-2023. Notably, Lake Hopatcong, located in Sussex and Morris Counties, remained virtually ice-free throughout the winter, with only a brief period of minor ice formation in early January. This pattern was not isolated to Lake Hopatcong; many lakes across the state and the broader Mid-Atlantic region exhibited similar ice-free conditions. Such conditions can lead to increased algal and plant growth earlier in the year.
Adding to this, from January to early June 2024, 15 of New Jersey's 21 counties recorded precipitation levels 26% to 50% higher than their long-term averages. The remaining six counties, predominantly in the southern part of the state, had precipitation increases of 11% to 25% above their long-term normals. This heightened precipitation is significant as it can transport nutrients, most notably phosphorus and nitrogen, into water bodies, potentially fueling the growth of algae.
Compounding these factors, long-range climate models and trends suggest that the summer of 2024 could rank among the hottest on record. The combination of a mild winter, increased precipitation, and anticipated high summer temperatures sets the stage for conditions similar to those experienced in 2019, a year marked by widespread harmful algal blooms (HABs) in numerous lakes.
HABs, characterized by rapid overgrowths of cyanobacteria, present serious challenges to water quality and aquatic ecosystems. Cyanobacteria, or blue-green algae, naturally occur in aquatic environments but can proliferate rapidly under warm, nutrient-rich conditions. These blooms pose risks to human health, wildlife, aquatic species, local economies, and the overall ecological balance. The interplay between climate change and HABs is undeniable: rising temperatures and altered precipitation patterns foster conditions that exacerbate bloom occurrences.
Given these circumstances, it is crucial for lake managers and water utilities to adopt proactive measures. Early and consistent sampling efforts can detect cyanobacteria and akinetes, dormant spores that contribute to bloom formation. Additionally, reducing nutrient inputs, particularly phosphorus, into waterways is essential to prevent HABs. Princeton Hydro strongly recommends that lake managers, water utilities, and concerned community members closely monitor their lakes, reservoirs, and riverways to stay as proactive as possible in managing these valuable resources.
By raising awareness, fostering collaboration, and implementing effective strategies, we can work towards safeguarding the health and sustainability of our freshwater ecosystems. Together, we can address the challenges posed by HABs and protect the integrity of our water bodies. For more information about HABs, click here.
Dr. Fred Lubnow, Princeton Hydro’s Senior Technical Director, Ecological Services, is an expert in aquatic and watershed management, restoration ecology, community and ecosystem ecology, and the use of benthic macroinvertebrate and fish in-stream bioassessment protocols. Dr. Lubnow has managed hundreds of lake projects and provides technical expertise for a variety of lake and watershed restoration projects.
His experience in lake and reservoir restoration includes the design and implementation of dredging, aeration, chemical control of nuisance species, nutrient inactivation (i.e. alum) and biomanipulation. His experience in watershed restoration includes the design and implementation of structural Best Management Practices (BMPs), the development of Total Maximum Daily Load (TMDL) pollutant budgets, and the design, implementation and analysis of watershed-based monitoring programs.
Happy Earth Day! It's important that we all do our part today and every day to honor our precious planet, promote climate action, and support sustainability. We've put together a quick list of fun ideas and helpful tips to celebrate Earth Day 2024:
Rain gardens are a cost effective, attractive, and sustainable way to minimize stormwater runoff and filter out pollutants. This aesthetic, low-maintenance addition to any outdoor landscape creates a functioning habitat that attracts pollinators, beneficial insects, and birds. It can also help reduce erosion, promote groundwater recharge, and minimize flooding.
Princeton Hydro President Geoff Goll, P.E. and his family recently installed a rain garden at their home. They documented the process with photos and step-by-step instructions.
You can help conserve water usage by incorporating water-wise practices into your daily life. Installing a rain barrel is a great place to start! Using a rain barrel to collect fresh, free rainwater helps save money, conserve water AND protects the environment. Collecting water in rain barrels is a fun, affordable and effective way to reduce the amount of run-off flowing into storm drains and waterways. We’ve put together four simple steps to help you install a rain barrel in your yard.
Tulips are starting to emerge, buds are blossoming on trees and, unfortunately, invasive plant species are also beginning their annual growing cycle. Invasive species create major impacts on ecosystems near and far, but we can all do our part to reduce the spread.
Princeton Hydro Landscape Architects and Expert Green Thumbs Jamie Feinstein, RLA and Cory Speroff, PLA, ASLA, CBLP led a live “Ask Me Anything” Spring Gardening conversation via Facebook. They provided gardening tips and tricks, including:
You can play a major role in maintaining the health and safety of your community. By committing to a regular litter pick-up schedule, you can help keep your neighborhood cleaner and decrease the amount of debris and pollution entering your community waterways. Consider choosing a nearby park, lake, pond or stream for your trash clean-up activities. Whatever spot you choose, pick the place that's best for you, invite friends or family to join you, determine a regular clean-up schedule, and stick to it!
As biologists, ecologists, environmentalists, and outdoor enthusiasts, all of us at Princeton Hydro take our responsibility to care for and respect our natural surroundings very seriously. We play hard and work hard to protect our natural resources for generations to come. Happy Earth Day!
In recognition of World Water Day on March 22, it's important to acknowledge and explore the challenges affecting our freshwater ecosystems. In this blog post, we explore one of those said challenges: Harmful Algal Blooms (HABs).
HABs, characterized by rapid overgrowths of cyanobacteria, have increasingly drawn attention due to their detrimental effects on water quality and aquatic ecosystems. With the onset of spring, rising temperatures create favorable conditions for cyanobacteria growth, setting the stage for potential bloom occurrences in the months ahead. Over recent summers, lakes and freshwater bodies across the nation have faced closures and health advisories due to HAB outbreaks, underscoring the urgent need to address this issue.
Cyanobacteria, often referred to as blue-green algae, are naturally occurring microorganisms in aquatic environments. However, under specific conditions—such as warm temperatures and nutrient-rich waters—these organisms can proliferate rapidly, forming blooms that pose risks to the health of humans, wildlife and aquatic species, local economies and overall ecological balance.
The interplay between climate change and HABs is undeniable: Rising temperatures and altered precipitation patterns create favorable conditions for cyanobacteria growth, exacerbating bloom occurrences. The absence of snow cover and early ice melt further accelerates this process, allowing cyanobacteria to flourish earlier in the year. Over the past few summers, lakes and fresh-waterbodies across the nation experienced closures and health advisories as a result of HAB outbreaks, emphasizing the urgency of addressing this issue.
In light of these challenges, proactive measures are crucial for mitigating the impacts of HABs. Early sampling efforts, initiated as early as March or April, enable the detection of cyanobacteria and akinetes, dormant spores that contribute to bloom formation. Additionally, reducing nutrient inputs, particularly phosphorus, into waterways is essential for preventing HABs.
As we reflect on the significance of water resources on World Water Day, it’s imperative to recognize the importance of addressing threats such as HABs. By raising awareness, fostering collaboration, and implementing effective strategies, we can work towards safeguarding the health and sustainability of our freshwater ecosystems.
In this spirit, we invite you to join the conversation at the Harmful Algal Bloom Summit 2024, hosted by the New Jersey Department of Environmental Protection. This virtual seminar, taking place on March 27, is free to attend and offers a platform for stakeholders to exchange insights, discuss best practices, and explore innovative solutions for managing HABs.
This year's Summit, which is titled “Unlocking the Puzzle of Harmful Algal Blooms," includes a keynote address and three educational sessions - "Growth Through Reflection: Lessons Learned," "Innovative Tools and Applications," and "Beyond the Numbers" - each featuring a variety of expert presentations. Princeton Hydro Senior Technical Director of Ecological Services Dr. Fred Lubnow is presenting on "Quantifying Overwintering Cyanobacteria and How They May Impact the Monitoring and Management of HABs."
Get more information and register here.
As we commemorate World Water Day 2024, let us reflect on the interconnectedness of water and life. Small actions taken today can have a profound impact on preserving water quality for future generations. Join us in making a commitment to promote and do our part to support a sustainable future for our freshwater ecosystems.
Your Full Name * Phone Number * Your Email * Organization Address Message *
By EmailBy Phone
Submit
Δ
Couldn’t find a match? Check back often as we post new positions throughout the year.
PRINCETON HYDRO
PRINCETON HYDRO