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A green roof is a roof fully or partially covered in plants and waterproof media that helps reduce the volume and velocity of stormwater runoff from roofs by temporarily storing stormwater, slowing excess stormwater release, and promoting evaporation.

Green roofs offer many benefits. They can help regulate a building’s internal temperature, which leads to heating and cooling energy savings; reduce stormwater runoff; mitigate the urban heat island effect; and increase biodiversity. 

From the planted rooftop of a building in Berwyn, Pennsylvania, we spoke with Philadelphia Green Roofs Principal and Owner Jeanne Weber, BSLA, GRP about the basics and benefits of green roofs for stormwater management. Click below to watch:


To learn more about green infrastructure and stormwater management, check out our blog:

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Princeton Hydro Engineering Services Project Manager Brendon Achey earned a Professional Geologist License from the Delaware Board of Geologists. 

The primary objective of the Delaware Board of Geologists is to maintain the highest standards within the practice of geology. To meet these objectives, the Board develops standards for professional competency; promulgates rules and regulations; adjudicates complaints against professionals and, when necessary, imposes disciplinary sanctions; and issues licenses to geologists.

"Becoming a Professional Geologist has been a long-term goal of mine since I started working in the field with Princeton Hydro," said Brendon. "Obtaining the license has given me a huge sense of accomplishment. I'm no longer just the guy who says he knows a ton about soils and geology - now I've got the credentials to prove it!"

Brendon has a wealth of experience in geotechnical investigations, in-field soil sampling and testing, laboratory testing, soil classifications, site characterization, and infiltration testing. He has a Bachelor's degree in Geology and a Bachelor's in Marine Science both from Stockton University.

In order to be considered for the Delaware Board of Geologists' Professional Geologist License designation, Brendon had to meet a variety of requirements, including:
  • Receiving a degree from an accredited college or university with a major in geology; and/or completing 30 credit hours of geology or its subdisciplines, of which 24 credits are third- or fourth-year courses or graduate courses;

  • Acquiring 5 years of experience in geologic work satisfactory to the Board and as defined in its rules and regulations; and

  • Achieving the passing score on all parts of the written, standardized examination administered by the National Association of State Boards of Geology (ASBOG), or its successor.

Having joined the Princeton Hydro team in 2011, Brendon's responsibilities include: project management, preparation and quality control of technical deliverables, geotechnical investigations and analysis, groundwater hydrology, soil sampling plan design, and site characterization. He also manages the Princeton Hydro Geosciences & Soils Lab, which is a full-service AASHTO-accredited and U.S. Army Corps of Engineers-validated laboratory in the Sicklerville, NJ office.

The geotechnical soils and rock testing lab allows our team to complete 100% of geotechnical investigation planning and oversight, laboratory testing, analysis, design, and reporting in-house. In addition to managing the daily lab operations, Brendon is responsible for maintaining the lab's accreditation according to the most recent AASHTO quality standards, scheduling and performing/overseeing lab testing with the AASHTO Materials Reference Laboratory, technician training and evaluation, internal audits, records retention, calibrating and maintaining all laboratory equipment, and providing detailed results and reports to clients.

In addition to his new Professional Geologist License, Brendon holds a number of certifications, including: Nuclear Regulatory Commission, Soil Density and Moisture Content Gauge Operator and OSHA 40-Hour Health and Safety Training for Hazardous Waste Operations (HAZWOPER).

To read about one of the projects Brendon worked on in his role as Geotechnical Soil Laboratory Project Manager, click below:

Big congratulations to Brendon for his latest accomplishment! 

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Princeton Hydro is pleased to announce the appointment of Dr. Roy Messaros, PE, PWS, CFM as its Director of Engineering.

Roy brings to Princeton Hydro 18 years of project experience and a great passion for water resources, H&H, wetlands for water quality improvement, limnology, and all things relating to ecosystem resilience.

"I am thrilled to welcome Roy to the Princeton Hydro team,” said Princeton Hydro President Geoffrey Goll, P.E. “I am confident his expertise, his innovative mindset, his passion for environmental education, and his alignment with our firm’s core values together make him very well-suited to guide our engineering team and help us achieve our full potential.”

Roy's professional experience includes H&H modeling, design, and construction for flood risk management, FEMA inundation mapping and certification, coastal storm surge protection, and wetland restoration/mitigation projects. Beneficial reuse of dredge material for tidal marsh restoration efforts has also been part of his wetland restoration experience. Other project experience includes design of erosion control measures, stream bank restoration, levee inspections, and modeling hydraulic structure failure mods.

He is most passionate about helping to educate and build a stronger, more resilient world for tomorrow. For over 15 years, Roy has also served as adjunct professor at Stevens Institute of Technology and seven years at New York University’s Tandon School of Engineering, instructing graduate-level courses in water resources and civil engineering. He is passionate about sharing knowledge with and educating the next generation of water resource/civil engineers and wetland scientists.

As a Professional Wetland Scientist, Roy volunteers his time to the Society of Wetland Scientists’ education and outreach efforts (Webinar Committee and Wetlands of Distinction initiatives). He has great pleasure using the Great Swamp National Wildlife Refuge, Morris County, NJ, as a laboratory for studying/teaching hydrology, hydraulics, and wetland science. Other volunteer efforts include FIRST LEGO League, which helps educate youth through STEM.

Roy earned his PhD in Civil and Coastal Engineering from Stevens Institute of Technology. He also has a master's degree in biology and aquatic ecology, and a bachelor's degree in biology with a chemistry minor.

Outside of work, Roy's hobbies include physical fitness and following the stock market.

To learn more about the Princeton Hydro team, click here.

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The Princeton Hydro team is proud to be participating in and sponsoring a variety of conferences, water quality workshops, and summertime community activities. In this Spotlight edition, we provide a snapshot of what's coming up and information on how to get involved:

July 15: Pennsylvania Lake Management Society's Full Moon Paddle

In celebration of Lakes Appreciation Month, you're invited to a full moon paddle/float on Blue Marsh Lake in Berks County, Pennsylvania. The event, which also includes a water quality education workshop and paddle board demonstration, is being hosted by PALMS, the staff of Blue Marsh Lake, Aqua Om Paddle, Penn State Extension Master Watershed Stewards, Berks County Conservation District, Tulpehocken Creek Watershed Association, and Berks Nature. The workshop and demo is from 5-8pm and the full moon paddle is from 8-10pm, both are free and open to people of all ages. Get more info.

July 21: Lake Hopatcong Foundation 10th Anniversary Gala & Auction

Lake Hopatcong Foundation (LHF) invites you to join its annual 10th Anniversary Gala & Auction, which aims to bring together community members who are passionate about Lake Hopatcong, to have fun and raise funds critically needed to protect the environment and enhance the experience on and around Lake Hopatcong. Guests are asked to wear hues of blue and are promised an evening of great camaraderie, food, music, an auction, and raffles.  Get more info & Register.

July 23: Trenton’s Summer Splash Bash

Are you looking for a fun way to celebrate summer with the whole family? Look no further than Trenton’s Summer Splash Bash hosted by the Trenton South Ward Neighborhood Association! This free, family-friendly event includes an all-hands-on-deck water blaster battle, live music, and much more! A proud sponsor of the bash, Princeton Hydro invites you to come by its exhibitor table to say hello. We hope to see you at Mill Hill Park on Saturday, July 23 from 1 - 5pm!

July 29: Riverfest - Musconetcong Watershed Association's 30th Anniversary Celebration

Join the Musconetcong Watershed Association (MWA) for its 30th Anniversary Celebration from 5 - 9pm at Donaldson Farms! The evening includes live music by The Emulators, five fabulous food trucks, a raffle, and tons of fun. Princeton Hydro, a proud sponsor of this event, has been working with the MWA in the areas of river restoration, dam removal, and engineering consulting since 2003. The MWA’s mission is to protect and improve the quality of the Musconetcong River and its Watershed, including its natural and cultural resources. They fulfill their mission through public education and awareness programs, river water quality monitoring, promotion of sustainable land management practices, and community involvement.

Get more info & Register.

August 1-3: National Stream Restoration Conference

The Resource Institute, a nonprofit organization dedicated to enhancing America's natural resources by restoring streams, rivers and wetlands, is hosting the first-ever National Stream Restoration Conference. The 3-day event, themed "Sharing Visions for the Future," will be held at the Gaylord Opryland Resort in Nashville Tennessee. 500 stream restoration professionals are expected to attend the conference, which includes an exhibitor hall and a wide variety of education sessions, including two which are being lead by members of the Princeton Hydro team:

Get more info & Register.

August 5: 7th Annual Adirondack Lakes Alliance Symposium

The Adirondack Lakes Alliance represents lake and river associations within Adirondack Park and is dedicated to the protection and preservation of Adirondack waters. This 6M-acre region, the largest publicly protected area within the contiguous United States, includes 3k+ lakes, rivers, ponds and streams. The Alliance welcomes you to its 2022 Symposium, which is titled, “New Challenges, New Approaches." Princeton Hydro's Chris Mikolajczyk, CLM, Senior Project Manager, Aquatics, is presenting at the symposium. Get more info & Register.

August 9: The Wild World of Watersheds

Our Senior Project Manager of Aquatics Chris Mikolajczyk, CLM will be at the Starsmore Discovery Center in Colorado Springs, Colorado talking about the wild world of watersheds! Discover what makes up a healthy watershed, why water quality is important, and explore the North Cheyenne Cañon Creek for evidence of watershed health! This free program runs from 8-9pm is an adult-focused presentation. The program will take place both indoors and outdoors along North Cheyenne Cañon Creek. RSVP to Get more info & Register.

August 12: Columbia/Greene Regional Lakes Coalition Meeting

Join NYSFOLA for its annual Columbia/Greene regional meeting at the Sleepy Hollow Lake Lodge in Athens, New York. NYSFOLA Board members Terri Mayhew and Laurel Wolfe are putting together an full day of educational and engaging workshops and panel discussions, including a presentation from Princeton Hydro Staff Scientist Jesse Smith titled, "CSLAP and customized monitoring: How additional data is helping Sleepy Hollow Lake." The day will also include lunch and boat rides on the lake. Get more info & Register.

August 24: The Fountain Creek Brewshed Alliance - Water Quality & HABs Workshop

Princeton Hydro Senior Project Manager Chris Mikolajczyk is leading a water quality and watershed management workshop in Fountain Creek, Colorado ash Metric Brewing. His educational workshop will focus primarily on understanding and identifying HABs with an emphasis on the significant health dangers harmful algal toxins pose to humans and dogs, and what folks can do to protect themselves and their pets. The event is being coordinated by The Fountain Creek Brewshed® Alliance, which is a program of the Fountain Creek Watershed Flood Control and Greenway District. The Alliance’s goal is to engage citizens in conversations and actions that will lead to water protection and enhancement.  The group consists of water resource and craft brewing industry professionals connecting Colorado communities to the shared values of healthy watersheds and locally made beer through education and events. Get more info & stay tuned for more Colorado events.

September 17: Northwest New Jersey Rivers Conference

The Northwest New Jersey partners of the four-state Delaware River Watershed Initiative presents the Fourth Annual Northwest New Jersey Rivers Conference. The focus of this year’s Conference is on Tourism and promoting a compatible tourism economy that leverages the regions incredible natural resources. Princeton Hydro is proud to sponsor this event, which aims to give participants a better understanding of the relationship between our region’s water and other natural resources and our region’s quality of life, including enhanced water quality, developing a vibrant tourism sector economy, expanding recreational opportunities, and appreciating the region’s scenic values. Get more info & Register

September 21: Science Seminar Series - What’s in Our Streams and Rivers? The Good, the Bad, the Ugly

The Stroud Water Research Center presents Episode Three of its Science Seminar Series - What's in Our Streams and Rivers? The Good, the Bad, the Ugly. This free education session, sponsored by Princeton Hydro, will be offered in-person and via Zoom. The Schuylkill River will be the focus of Episode Three. Mike Hartshorne, director of ecological services at Princeton Hydro, will share the details of the yearlong Schuylkill River community science project, which was just recently completed, and share the culminating interactive ArcGIS StoryMap, which documents the ecological status and local perceptions of the river. Get more info & Register


June 18: Juneteenth Celebration Black Farmers Market

Presented by Outdoor Equity Alliance and Friends of Hopewell Valley Open Space, and sponsored by Princeton Hydro, the Juneteenth Celebration Black Farmers Market, was a hugely successful event centered around the cultivation of energy and germination of ideas to help in the development of urban gardening. The OEA founded the Black Farmers Market to focus on agriculture and its importance to African American and marginalized communities. The Juneteenth celebration was held in Trenton’s Mill Hill Park, which is about 1 mile from Princeton Hydro's new headquarter office. During the event, members of the Princeton Hydro team distributed native plants that were donated by Pinelands Nursery. Get more info.



Stay tuned to our blog for more events!

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1. Love Your Lake.

Whether you enjoy birding, photography, boating, paddle boarding or simply taking a leisurely stroll in nature, one of the best ways to celebrate your local lake is getting outside to enjoy your favorite lake-related outdoor activities. Check your local lake association calendar for upcoming community events. Invite a friend or family member out for a day of environmentally-friendly fishing. If you're in Pennsylvania, consider joining PALMS at Blue Marsh Lake for a community full moon paddle-out. If you photograph your adventures, share them on social media using the hashtag: #LakesAppreciation, and hopefully you’ll inspire others to show their lake appreciation too.

2. Join the Secchi Dip-In.

The “Secchi Dip-In” is an annual citizen science event where lake-goers and associations across North America use a simple Secchi disk to monitor the transparency or turbidity of their local waterway. Created and managed by NALMS, volunteers have been submitting information during the annual Dip-In since 1994. NALMS invites you to join this international effort to track changes in water quality! Get all the Dip-In details here. And, for detailed instructions for how to use a Secchi disk, check out this NALMS student video.

3. Enter the NALMS Short Clips Video Contest.

NALMS is hosting a Lakes Appreciation Short Clips Video Contest. Create a 140-second video that best illustrates your love for lakes and inspires others to appreciate lakes too! Submit your clip to the NALMS Twitter feed (@NALMStweets) using the hashtag: #LakesAppreciation. A Twitter poll of the general public will be used to determine the winner. First place gets a $50 Visa gift card. The submission deadline is July 31, polling will run through the month of August, and the winner will be announced August 31, 2022. Click here for more details. And, to see the winning entries from a previous Lakes Appreciation photo contest, go here.

4. Learn About Lakes.


You can support your favorite lake by educating yourself about how to monitor the condition of the lake, identify harmful algal blooms (HABs) and invasive species, and engage in activities that protect water quality and improve fish and wildlife habitat. Consider becoming a member of or volunteering for your lake or watershed association. Learn how to track and report HABs. And, take part in educational opportunities to learn about lake management, like our recent live Q&A session with Princeton Hydro's resident lake experts Dr. Fred Lubnow and Chris L. Mikolajczyk, CLM.

To learn about NALMS and get more ideas on how to celebrate your local lakes, click here.

If you’re interested in learning more about Princeton Hydro’s broad range of award-winning lake management services, click here. And, if you're interested in reading about our work to reduce HABs and increase biodiversity in Lake Latonka, click here.

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James Holyoke, EIT, Staff Engineer

James holds an M.S. in Environmental and Water Resources Engineering from the University of Texas at Austin and a B.S. in Civil Engineering from the University of Delaware, from which he graduated with honors and distinction.

As both an undergraduate and a graduate student, he participated in a number of research projects, where he developed a ardor for improving the environment. He was most passionate about two projects: one focused on tracking oil after marine spills, and another about the fate of environmental contaminants, specifically those found in buoyant plumes.

Outside of work, James enjoys exercising, hiking and running. He is also an avid fisherman and sports enthusiast.

Cole Pragides, EIT, Staff Engineer

Cole received a B.S. in Environmental Engineering with a specialization in Applied Ecology from the University of Colorado Boulder. He was part of the Livneh Post-Wildfire Hydrology research group that measured chemical constituents in runoff following simulated burnings and storm events in Colorado’s Front Range.

Cole has also had professional experience in Regenerative Agriculture, Permaculture, and Horticulture. He firmly believes that increasing the crossover between engineering, environmental science, and ecology will promote a more sustainable world.

Michael Torino, PE, Geotechnical Engineer

Michael is a New York State licensed Professional Engineer with over eight years of experience in geotechnical engineering. He has a M.S. and B.S. in Civil and Environmental Engineering from Rutgers University. Prior to joining Princeton Hydro, Michael worked in New York City inspecting and designing building foundations.

Michael is excited to be a part of the Princeton Hydro team and use his knowledge and experience to have a positive impact.

To learn more about the Princeton Hydro staff or if you're interested in joining the team, click here.

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1. Plan Ahead & Review Your Local Regulations.

Before you go, always do your research, educate yourself on fishing laws and regulations, and make sure your fishing license and boat registration is current. Check your local area for information on season dates, size requirements, possession limits, permit requirements, area closures, and other guidelines. These laws protect fish and other aquatic species to ensure that the joys of fishing can be shared by everyone well into the future. The New York State Department of Conservation publishes a very informative Freshwater Fishing Regulations Guide every year. Click here to review the 2022 guide.

Check out this interactive map from to find great fishing and boating spots in your area, including fish species you can expect to find, logged catches and fishing forecasts.

2. Wash Your Gear and Watercraft.

Reduce the spread of invasive species by thoroughly washing your gear and watercraft before and after your trip. Invasives come in many forms – plants, fungi, and animals – and even those of microscopic size can cause major damage. To learn more about invasive species, read our blog:

3. Choose the Right Bait.

Use artificial lures or bait that is native to the area you’re fishing in. Live bait that is non-native can easily introduce invasive species to water sources and cause serious damage to the surrounding environment. Always do your part to keep  our precious waterbodies clean and fisheries healthy! Opt for biodegradable fishing lures, properly dispose of your lures, make sure your lure is secure, and check your bait often. Click here for more info on eco-friendly bait and fishing gear.

[caption id="attachment_11004" align="aligncenter" width="473"] Illustration by: NYSDEC[/caption]

4. Engage in Best Practices.

Before you head out for a day of fishing, familiarize yourself with catch and release best practices. Always keep the health of the fish at the forefront of your activities by using the right gear and employing proper techniques.

NOAA Fisheries says, "Catch and release is a great conservation strategy, but simply letting a fish go does not guarantee it will live. The actions you take before, during, and after you land a fish can improve its chances of survival, keep fish stocks healthy, and keep fishermen fishing." Visit their website for more info and helpful tips.

And, check out this "Best Practices for Catch and Release" video from Keep Fish Wet, a nonprofit dedicated to promoting the use of science-based best practices to catch, handle, and release fish: [embed][/embed]

5. Stick to the Designated Path.

Stay on designated paths to avoid disrupting sensitive and protected areas, like wetlands, shorelines, stream banks, and meadows. Disturbing and damaging these sensitive areas can jeopardize the health of the many important species living there. We recently worked with the Watershed Institute to present a workshop about stream bank restoration in communities and backyards; click below to watch.


6. Leave No Trace.

Always, pack out your trash! Bring a bag with you to easily carry out your trash and any litter you may find. Never leave behind fishing line, fish entrails, or bait. Before a fishing trip or any outdoor adventure, familiarize yourself with the seven principles of Leave No Trace and spread the good word to others!


As biologists, ecologists, environmentalists, and outdoor enthusiasts, all of us at Princeton Hydro fully enjoy getting outside and having fun in nature. We also 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.

By following our six tips, you’re doing your part to protect the outdoor spaces and wild places we all love to recreate in! As the old adage goes, “respect nature and it will provide you with abundance!”

Princeton Hydro has designed, permitted, and overseen solutions to reconnect migratory fish to their spawning grounds, including the installation of technical and nature-like fishways and the removal of dozens of small and large dams throughout the Northeast. To learn more, check out our blog:

  [post_title] => Six Tips to Sustainably Celebrate "National Go Fishing Day" [post_excerpt] => [post_status] => publish [comment_status] => open [ping_status] => open [post_password] => [post_name] => national-go-fishing-day-2022 [to_ping] => [pinged] => [post_modified] => 2022-06-17 17:46:07 [post_modified_gmt] => 2022-06-17 17:46:07 [post_content_filtered] => [post_parent] => 0 [guid] => [menu_order] => 0 [post_type] => post [post_mime_type] => [comment_count] => 0 [filter] => raw ) [7] => WP_Post Object ( [ID] => 10948 [post_author] => 1 [post_date] => 2022-06-14 16:43:19 [post_date_gmt] => 2022-06-14 16:43:19 [post_content] =>

It’s River’s Month in Pennsylvania! To celebrate, the nonprofit Schuylkill River Greenways, in partnership with Berks Nature, Bartram’s Garden, The Schuylkill Center for Environmental Education, Stroud Water Research Center, and Princeton Hydro launched a new interactive ArcGIS StoryMap web page that reveals local perceptions of the Schuylkill River and documents the ecological status of the main stem through a year-long water quality and trash monitoring project: The ultimate goal of this new publicly-available resource is to connect residents and communities with the Schuylkill River and to encourage engagement with this special resource.

“For decades we have heard misgivings from residents throughout the watershed about the water quality of the Schuylkill River, and unfortunately the terrible reputation that the river had from years of polluting continues to linger. But the truth is that today the river is actually quite healthy and clean,” said Tim Fenchel, Deputy Director of Schuylkill River Greenways. “In this project we set out to work with our partners and community members to finally set the record straight with solid data about the health of the river.”

“This project brought together the conservation community and community scientists to understand the water quality and social perceptions of the Schuylkill River,” said Michael Hartshorne, Director of Aquatics at Princeton Hydro. "The results showed that the river, while having challenges as many waterbodies do, is a vibrant corridor that offers many recreational and environmental opportunities for those that live in the region.”

To understand local perceptions of the Schuylkill River’s residents, we first conducted a community opinion survey. Over 300 community members from Berks, Chester, Montgomery, and Philadelphia Counties participated. Overall, we found that a majority of people do care about the river (56%) and bike or walk along it (60%). However, many are not confident whether the river is clean or safe to use for recreational activity, clean enough to swim in, or safe to eat fish from. When asked about the cause of river contamination, an overwhelming majority (85%) cited "Trash and Litter" as the problem. This insight was used to drive the priorities for water quality monitoring and inspired the launch of a new Community Science trash monitoring program.

To determine the ecological status of the river, we collected water quality data for one year. Water temperature, dissolved oxygen, turbidity, and conductivity were continuously measured at four locations. Bacteria sampling for Enterococci coli (E. coli) was also conducted at each station over the course of the study.

“Protecting safe recreational access to rivers and streams is one of the most important contributions we as environmental stewards can make to local communities. This project has made great strides in supporting this cause on the Schuylkill River,” said David Bressler, Project Facilitator at Stroud Water Research Center.

To complement the water quality sampling, the team recruited “Community Scientists” to monitor and measure trash along the river by conducting 5-minute visual assessments. It aimed to document critical areas of trash accumulation or dumping points in order to guide management efforts to better deal with this pollution. Over 100 responses were logged by volunteers. Overall, the results were positive; between 73% and 90% of sites on the main stem of the Schuylkill River were rated as optimal. The participants deemed the study reach to be clean and safe for both human and aquatic life, however, there are certainly locations along the Schuylkill River that could be cleaned up.

The data collected tells the tale of a vibrant river corridor with numerous opportunities for kayaking, fishing, bird watching, hiking, and biking. The dry weather data showed water quality conditions to be ideal during the time periods most people would utilize the river. E. coli concentrations were low, and transparency is high as shown by turbidity levels. Still, the river is constrained within an environment that spans the more agriculturally rich upstream reaches down to urbanized Philadelphia. Agricultural erosion, stormwater, and suburban pollutants are a challenge upstream, while stormwater runoff, litter, and sewer overflows are a primary concern during rainfall events in the more urbanized portions of the river. During rainfall, we measured elevated E. coli, turbidity, and trash which causes poor water quality conditions. However, this should not deter those who love and enjoy the river from using it, understanding that the safest conditions are likely following periods of dry weather.

“Our coordinated monitoring effort has been a special opportunity to capture snapshots of the river from top to bottom at specific points in time. The data we collected drives home that the Schuylkill is by many measures a healthy river bouncing back from intense industrial pollution. Different issues affect different locations along its 135 miles, but we are all connected upstream and downstream!,” said Chloe Wang, River Programs Coordinator at Bartram's Garden. “In addition to our learnings about water quality, having water samples analyzed at both a professional lab and using DIY methods at our own sites helped us to understand the accuracy of the low-cost tools we can use in community science and education programs.”

Additionally, the project partners were able to put the collected data to action by submitting it to the Pennsylvania Department of Environmental Protection, one of the regulatory agencies responsible for implementing the Clean Water Act for the Schuylkill. “There is so much more to learn about the river, but I hope this work helps people make informed decisions about when to get out on the water, and draws attention to opportunities to continue improving river health,” expressed Wang.

[caption id="attachment_10966" align="alignleft" width="242"] Photo courtesy of Schuylkill River Greenways.[/caption]

The water quality and trash assessment sampling protocol and interactive ArcGIS Story Map was designed by Princeton Hydro, with input from all the project partners. Detailed results and data from the perception and options survey, water quality monitoring, and trash assessment monitoring can be found on the StoryMap.

“Land and water are intrinsically connected – you can’t have healthy landscapes without healthy watersheds. Supporting this relationship is core to Berks Nature’s mission and conservation work, and through our 74-year tenure as Berks County’s land trust, we’ve seen the Schuylkill River flow cleaner and cleaner,” said Michael Griffith, Education & Watershed Specialist at Berks Nature. “We were thrilled to participate in this project not only as an opportunity to deepen our understanding of this regionally significant waterway, but also to shift public perceptions of the Schuylkill River as a community asset.”

“As we had hoped, we found that the river is indeed in great shape and we are now trying to spread the good news that all kinds of recreation on the river are safe and encouraged – including kayaking, boating, and fishing,” said Fenchel. “We have an incredible recreational and environmental asset in this river and we want everyone to know about it.”

This project was truly a team effort, with collaboration and engagement from all project partners. It was funded by the William Penn Foundation who has long been a supporter of this and similar projects throughout the Schuylkill and Delaware River Watersheds.

ABOUT SCHUYLKILL RIVER GREENWAYS: The mission of the Schuylkill River Greenways National Heritage Area is to connect residents, visitors and communities to the Schuylkill River and the Schuylkill River Trail by serving as a catalyst for civic engagement and economic development in order to foster stewardship of the watershed and its heritage.

ABOUT BARTRAM'S GARDEN: Bartram’s Garden is a 45-acre National Historic Landmark, operated by the John Bartram Association in cooperation with Philadelphia Parks and Recreation. It is a destination and an outdoor classroom, living laboratory, and membership organization for ever-expanding audiences―over 95,000 each year and counting.

ABOUT STROUD WATER RESEARCH CENTER: Stroud Water Research Center seeks to advance knowledge and stewardship of freshwater systems through global research, education, and watershed restoration. Since 1967, Stroud Water Research Center has been leading the effort to produce innovative solutions for preserving and restoring fresh water. The organization believes in an independent voice — and in adventure, inspiration, perseverance, and integrity.

ABOUT BERKS NATURE: As a nonprofit conservation organization, Berks Nature has been serving the Berks County community since 1974. Land preservation, water protection, trail management, community gardens, education programs, State of the Environment, Eco-Camp and valued partnerships are at the center of Berks Nature’s work every day.

ABOUT SCHUYLKILL CENTER FOR ENVIRONMENTAL EDUCATION: Founded in 1965, the Schuylkill Center is one of the first urban environmental education centers in the country, with 340 acres of fields, forests, ponds, and streams in northwest Philadelphia. They work through four core program areas: environmental education, environmental art, land stewardship, and wildlife rehabilitation.

ABOUT PRINCETON HYDRO: Princeton Hydro is committed to improving our ecosystems, quality of life, and communities for the better. The firm was formed in 1998 with the specific mission of providing integrated ecological and engineering consulting services. Offering expertise in natural resource management, water resources engineering, geotechnical design & investigation, and regulatory compliance, their staff provide a full suite of environmental services throughout the Northeast for the public and private sectors.

[post_title] => NEW: Interactive StoryMap of Schuylkill River Documents Ecological Status & Local Perceptions [post_excerpt] => [post_status] => publish [comment_status] => open [ping_status] => open [post_password] => [post_name] => new-interactive-storymap-of-schuylkill-river-documents-ecological-status-local-perceptions [to_ping] => [pinged] => [post_modified] => 2022-06-14 16:46:25 [post_modified_gmt] => 2022-06-14 16:46:25 [post_content_filtered] => [post_parent] => 0 [guid] => [menu_order] => 0 [post_type] => post [post_mime_type] => [comment_count] => 0 [filter] => raw ) [8] => WP_Post Object ( [ID] => 10642 [post_author] => 1 [post_date] => 2022-05-31 09:31:44 [post_date_gmt] => 2022-05-31 09:31:44 [post_content] => "This firm was originally built upon the ideal of creating a workplace of innovation and passion in the areas of science and engineering. And, we did not do it alone; the people that were brought aboard helped grow us to what we are today, and will continue to increase our reputation of honesty, integrity, and creativity." -Princeton Hydro President Geoffrey Goll, PE  We are proud to welcome two new members to our Field Services Team:

Stephen Seeley, Aquatic Specialist

Stephen graduated from Rowan University in 2021 with a B.S. in Community and Environmental Planning. Before joining the Princeton Hydro team, he worked on golf courses in the maintenance department, and has done residential landscaping.

Growing up kayaking, boating, camping, skiing, and spending summers down at the beach, Stephen's passion for the environment and the outdoors began at an early age. Now, as an Aquatic Specialist, he's happy to be able to put his passion for the outdoors to use in a professional setting.

Learn more about Stephen.

Ryan Sheehan, Aquatic Specialist

Ryan is a recent graduate from Rowan University with a B.S. in Environmental Science. While taking classes on steam assessments and spending time creating stream nutrient budgets, Ryan developed a deep interest in and passion for water conservation. Ryan is excited to apply his education and pursue interests as an Aquatic Specialist on Princeton Hydro's Field Operations team.

Prior to joining the team, he enjoyed restoring furniture working as an upholsterer. Now, Ryan is delighted to put his problem solving skills to the test in Princeton Hydro's efforts to restore and preserve water resources.

Learn more about Ryan.     To learn more about the Princeton Hydro staff or if you're interested in joining the team, click here. [post_title] => Employee Spotlight: Welcoming Two New Members to Our Growing Team [post_excerpt] => [post_status] => publish [comment_status] => open [ping_status] => open [post_password] => [post_name] => new-team-members-april-2022 [to_ping] => [pinged] => [post_modified] => 2022-05-31 20:54:12 [post_modified_gmt] => 2022-05-31 20:54:12 [post_content_filtered] => [post_parent] => 0 [guid] => [menu_order] => 0 [post_type] => post [post_mime_type] => [comment_count] => 0 [filter] => raw ) [9] => WP_Post Object ( [ID] => 10895 [post_author] => 1 [post_date] => 2022-05-27 08:32:37 [post_date_gmt] => 2022-05-27 08:32:37 [post_content] =>

Princeton Hydro and the City of Trenton hosted a ribbon cutting ceremony to celebrate the opening of our new headquarters office in the historic Roebling Carpentry Shop (Building 110), a significant economic development milestone for the City of Trenton. This state-of-the-art office space on the top floor of the building (approximately 9,000 sf) has been transformed, while still maintaining the character and features of the original brick and heavy timber building.

"The City of Trenton's location has been strategic throughout the history of the United States, from a major turning point in the American Revolution to a major manufacturing center of the American Industrial Revolution to the development of major bridges throughout the country. It’s the perfect place to inspire our scientists, engineers, and landscape architects to shape the world in the 21st Century." said Geoffrey Goll, President of Princeton Hydro. "After looking at many properties in the area, we simply fell in love with this space. It is the perfect mix of character, history, and location, and it fulfills our desire to be a part of the revitalization of the City of Trenton. And the City, local businesses, and residents have welcomed us with open arms. We’re excited to get to know more of our neighbors and become a positive contributor to the community."

[gallery link="none" ids="10926,10917,10921,10920,10919,10923,10924,10925,10915,10913,10916,10944"]

"The City of Trenton is extremely excited that Princeton Hydro has chosen the Capital City as its new home and we look forward to seeing the historic Roebling Wireworks Carpentry Shop revitalized and rejuvenated into the bustling center of innovation and craft it once was," said Trenton Mayor W. Reed Gusciora. "It's our hope that other businesses will follow in the footsteps of Princeton Hydro and utilize everything Trenton has to offer, including the City's cultural amenities, tech savvy workforce, and proximity to feeder universities."

This move by Princeton Hydro will result in the relocation of 30+ jobs to Trenton. It will bring to life a building that has been vacant for more than 25 years and adapt its use from industrial to transit-oriented, modern office space.

The project, constructed by Trenton-based Hx2 Development and designed by Trenton-based Architecture and Planning firm, Clarke Caton Hintz, has received enormous support and encouragement from the City of Trenton and Greater Trenton, the local organization dedicated to advancing revitalization efforts in the City.

"We are thrilled to welcome Princeton Hydro to Trenton and the opportunities their relocation means for current and future Trentonians. Transforming a former industrial building into modern office space for Princeton Hydro’s new headquarters mirrors the transformation in how and where companies choose to work. Access to multiple transportation options and other amenities found only in urban areas will aid in attracting and retaining quality employees and sustainable growth of Princeton Hydro’s business," said George Sowa, CEO of Greater Trenton. "We look forward to having them not only in the community, but also of, the Trenton community."

"It’s great to work with a client like Princeton Hydro, with their strong commitment to sustainability, collaborative and innovative workspaces, and new technologies. Their new offices are going to be extraordinary!" said John Hatch, Principal of Clarke Caton Hintz.

The redevelopment of Building 110 is part of the larger revitalization of Roebling Center, which includes five historic industrial buildings on Block 3 of the John A. Roebling’s Sons Company. Phase 1, completed in 2018, included the opening of Roebling Lofts, a unique 138-unit loft apartment building located in Building 101 of the Roebling Complex.

David Henderson, Hx2 Development Principal, described the significance of Princeton Hydro’s move, "We are excited to welcome this regionally prominent consulting firm to Roebling Center and to Trenton! In the former Roebling Carpentry Shop, Princeton Hydro has found a unique space that combines historic character--including heavy timber trusses, large factory windows and exposed brickwork--with high-tech building systems, striking finishes and modern amenities."

[gallery link="none" ids="10900,10898,10912"] Click here to read more and see photos of the building renovation in process. [post_title] => Princeton Hydro's New Trenton Headquarter Office Is Now Open For Business [post_excerpt] => [post_status] => publish [comment_status] => open [ping_status] => open [post_password] => [post_name] => trenton-headquarter-office-is-now-open [to_ping] => [pinged] => [post_modified] => 2022-05-31 20:53:27 [post_modified_gmt] => 2022-05-31 20:53:27 [post_content_filtered] => [post_parent] => 0 [guid] => [menu_order] => 0 [post_type] => post [post_mime_type] => [comment_count] => 0 [filter] => raw ) [10] => WP_Post Object ( [ID] => 10871 [post_author] => 1 [post_date] => 2022-05-24 21:15:57 [post_date_gmt] => 2022-05-24 21:15:57 [post_content] =>

Rutgers University held a symposium focused on Improving Urban Environments. The one-day event, presented by Rutgers University’s School of Engineering and its School of Environmental and Biological Sciences, brought together government, industry, community and academic thought leaders for a high-level exchange of ideas.

The symposium included keynote addresses given by Jane Cohen, Executive Director of the NJ Governor’s Office of Climate Change & the Green Economy, and Kandyce Perry, Director of the NJDEP Office of Environmental Justice, as well as a variety of presentations and panel discussions centered around ensuring healthier and more resilient communities through technological innovation and inclusive partnerships. Presentation topics included, “Furthering Environmental Justice in New Jersey;” “Brownfields in Urban Settings;” and “Building Resilient Infrastructure and Communities.”

Princeton Hydro President Geoffrey Goll, PE was recently appointed to the Rutgers University School of Engineering Industry Advisory Board. As a result of his new role, he was invited to participate as a panelist in the the discussion titled, “The Role of Engineering Innovations and Government-Industry-Academe-Community Collaboration in Meeting Urban Environments Challenges.”
Photo by Denisa Moss-Heitlager.

The panel discussion also included:

  • Katrina Angarone, Associate Commissioner for Science and Policy, NJDEP
  • Christopher Obropta, Extension Specialist, School of Environmental and Biological Sciences, Rutgers
  • Nicole Miller, Co-Chair, Newark DIG
  • Carolina Ramos, Senior Energy Analyst, The Cadmus Group
  • Marc Tuozzolo, Acting Senior Director of Capital Planning, NJ Transit
  • Hao Wang, Associate Professor,Civil and Environmental Engineering, Rutgers

Goeffrey has a B.S. in Civil Engineering from Rutgers University (Class of 1990) and a Master of Engineering Management degree from UW–Madison.  With his primary expertise being in water resources engineering and his background in geotechnical engineering, he works in many areas of water resources, including sediment management, stream and river restoration, stormwater management and green infrastructure, freshwater wetland/coastal marsh design, dam design, and dam removal.

If you're interested in reading more about urban environment restoration, we invite you to read our blog about the South River Ecosystem Restoration and Flood Resiliency Enhancement Project. In 2018, Princeton Hydro and Rutgers University, along with the Lower Raritan Watershed Partnership, Middlesex County, Borough of Sayreville, Borough of South River, NY/NJ Baykeeper, Raritan Riverkeeper, and the Sustainable Raritan River Initiative, secured funding from NFWF’s National Coastal Resilience Fund for the project, which aims to:
  • Reduce socioeconomic damages to the Boroughs of South River and Sayreville caused by storm damage, flooding, and sea level rise;
  • Transform degraded wetlands to high-quality marsh that can reduce flooding and enhance fish & wildlife habitat; and
  • Engage stakeholders in activities about coastal resilience and ecological health to maximize public outreach in the Raritan River Watershed.
Click here to read more! [post_title] => Rutgers University Hosts Urban Environments Symposium [post_excerpt] => [post_status] => publish [comment_status] => open [ping_status] => open [post_password] => [post_name] => rutgers-urban-environments-symposium [to_ping] => [pinged] => [post_modified] => 2022-05-31 19:38:25 [post_modified_gmt] => 2022-05-31 19:38:25 [post_content_filtered] => [post_parent] => 0 [guid] => [menu_order] => 0 [post_type] => post [post_mime_type] => [comment_count] => 0 [filter] => raw ) ) [post_count] => 11 [current_post] => -1 [in_the_loop] => [post] => WP_Post Object ( [ID] => 11118 [post_author] => 1 [post_date] => 2022-07-13 13:03:18 [post_date_gmt] => 2022-07-13 13:03:18 [post_content] =>

A green roof is a roof fully or partially covered in plants and waterproof media that helps reduce the volume and velocity of stormwater runoff from roofs by temporarily storing stormwater, slowing excess stormwater release, and promoting evaporation.

Green roofs offer many benefits. They can help regulate a building’s internal temperature, which leads to heating and cooling energy savings; reduce stormwater runoff; mitigate the urban heat island effect; and increase biodiversity. 

From the planted rooftop of a building in Berwyn, Pennsylvania, we spoke with Philadelphia Green Roofs Principal and Owner Jeanne Weber, BSLA, GRP about the basics and benefits of green roofs for stormwater management. Click below to watch:


To learn more about green infrastructure and stormwater management, check out our blog:

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