Raritan River Pathogen Monitoring Results for 9.11.2025

By Danielle Bongiovanni and J.M. Meyer

The second pathogen monitoring session of the month took place on Thursday, September 11th. Each week during the summer, from May to October, the Lower Raritan Watershed Partnership and Rutgers Cooperative Extension of Middlesex County run a volunteer-based monitoring program along the Raritan River. We collect water quality samples at six non-bathing public access beach sites, provide our samples to the Interstate Environmental Commission for analysis in their laboratory, and report the results to the public. Our mission is to share this data with the community and partners to ensure the safe use of the Raritan river for all.

Our lab results for water quality samples taken on Thursday, September 11th, 2025 show Enterococcus bacteria levels exceeding the EPA federal water quality standard of 104 cfu/100mL at three of our monitoring sites this week. Problem sites would be indicated by red frowns on the map and chart which includes: Rutgers Boat House (New Brunswick), Edison Boat Basin (Edison Township), and Ken Buchanan Waterfront Park (Sayreville). Riverside Park (Piscataway) had inconclusive results. Out of an abundance of caution, a red fown has been assigned to it. Green smiles on the chart and map indicate the sites with bacteria levels safe for recreation, and include the following: Raritan Bay Waterfront Park (South Amboy), and 2nd Street Park (Perth Amboy).

Pathogens/Enterococci levels are used as indicators of the possible presence of disease-causing bacteria in recreational waters. Such pathogens may pose health risks to people coming in primary contact with the water (touching) through recreational activities like fishing, kayaking or swimming in a water body. Possible sources of bacteria include Combined Sewer Overflows (CSOs), improperly functioning wastewater treatment plants, stormwater runoff, leaking septic systems, animal carcasses, pet waste, wildlife waste, and runoff from manure storage areas.

Our goal in reporting these results is to give residents a better understanding of the potential health risks related to primary contact during water-based recreation. If you are planning on recreating on the Raritan this weekend, make sure to stay safe and wash up after any activities!

Before pathogen monitoring can begin, the sonde is calibrated. Preparations include confirming the sonde accurately measures pH by submerging it in different buffers. The yellow solution is neutral with a pH of 7. Photo credit: Danielle Bongiovanni.
Our partners at the Interstate Environmental Commission provide us with thorough instructions on how to calibrate the sensors on the sonde. Rather than working off of memory, we prefer to have one person read the instructions aloud to avoid mistakes–in this, case Danielle is reading the instructions and recording the results of the calibration. Photo credit: J.M. Meyer.
Fishermen at Rutgers Boathouse reeled in a massive common carp (Cyprinus carpio), an invasive freshwater fish commonly found in the Raritan River. With it came a cigarette butt, illustrating how the trash tossed into the water does not instantly break down. Photo credit: Danielle Bongiovanni.
A happy fisherman with his netted carp. Our proximity to the river means people often fish before or after work. Photo credit: J.M. Meyer.
In Edison, as the tide rolled in, we witnessed no less than seven egrets riding fallen logs upstream against the current. Photo credit: Arthur Allgauer.
Gloves, sonde, and sample: John returns from wading into the waters in South Amboy. Photo credit: Arthur Allgauer.
The bottles used to collect samples are sterilized beforehand. The tape on the lid remains intact until a gloved volunteer is about to use it. This reduces the chance of contamination skewing the lab results. Photo credit: Danielle Bongiovanni.
In remembrance of Sepetember 11th, we stopped at the Middlesex County memorial in South Amboy. This eagle sculpture stares across Raritan Bay and across Staten Island — the Twin Towers were once visible in the distance. Photo credit: J.M. Meyer.
Beachgoers at 2nd St. Park deploy a seine net to catch fish and shellfish fishing for consumptions remains common throughout the Raritan watershed, and reminds us of the importance of keeping our waters clean. Photo credit: Danielle Bongiovanni.

LRWP receives award from NJDEP Americorps Watershed Ambassadors

On July 9, 2025, LRWP Board Member Heather Fenyk joined the 2024-2025 class of New Jersey Department of Environmental Protection Watershed Ambassadors at Monmouth Battlefield to celebrate the graduation of these special humans. We were thrilled to be recognized as the NJDEP AmeriCorps Watershed Ambassadors Program “partner of the year.” The LRWP’s annual Green Brook Clean-up has grown to engage eight (8) municipalities through the partnership work with these Watershed Ambassadors – we should be thanking them!

A heartfelt thank you to the graduating 2024-2025 cohort:
Olivia Stettler: WMA 1, Team Leader
Jenna Black: WMA 2
Peyton Curley: WMA 3
Emilie Wigchers: WMA 4
Isaiah Leach: WMA 5
Toni L. Tamberelli: WMA 6
Kaitlyn Pinto: WMA 7
Daniel Magda: WMA 8
Brianna Casario: WMA 9, Team Leader
Claire Paul: WMA 10, Team Leader
Mike Sherr: WMA 11
Forrest Jennings: WMA 13
Cameron Shapiro: WMA 14, Team Leader
Morgan Crouch: WMA 15, Team Leader
Courtney Lacombe: WMA 16
David Ferrara: WMA 17
Jessie Lisanti: WMA 20
Emily Vasquez: SWP North
Sheyla Casco: SWP Central
Gina Freshcoln: SWP South

The AmeriCorps NJ Watershed Ambassadors Program is administered by the New Jersey Department of Environmental Protection, Division of Water Monitoring, Standards and Pesticide Control. The goals of the program are to promote watershed stewardship through education and direct community involvement, and to monitor stream health through performing visual and biological assessments. Individual AmeriCorps members are assigned to each of New Jersey’s 20 watershed management areas (WMAs) to serve as “Watershed Ambassadors” to their watershed communities. In addition to the 20 full time Watershed Ambassadors, 3 part-time Source Water Protection Ambassadors are assigned to a region in Northern, Central, and Southern NJ. The Source Water Protection Ambassadors serve 900 hours from September – May, conducting education and stewardship projects that relate to sources of drinking water.

The LRWP LOVES our Watershed Ambassadors!

A Letter to Governor Murphy in Opposition to the NESE Pipeline Project

September 24, 2025 is the deadline to submit a public comment to NJDEP regarding the Williams fracked gas Pipeline project, which would cut a wide swath of destruction through our Lower Raritan Watershed and Raritan Bay. See the Institute for Energy Economics and Financial Analysis (IEFFA) report on the proposed project here. See the LRWP’s letter to NJDEP stating opposition to this project below.

Dear Governor Murphy and the NJ Department of Environmental Protection –

I am writing on behalf of the Lower Raritan Watershed Partnership (LRWP) regarding Williams Northeast Supply Enhancement (NESE) Pipeline project. The LRWP is opposed to construction of a fracked gas-powered compressor station in Franklin Township, including 3.5 miles of connecting pipeline through a portion of the Lower Raritan Watershed (New Jersey Watershed Management Area 9) in Old Bridge Township. The LRWP is also opposed to a core component of this project, the proposed 23.4-mile-long, 26-inch-diameter pipeline loop (called the “Raritan Bay Loop”) extending from the Middlesex County coast crossing under Raritan Bay and New Jersey and New York State marine waters.

The LRWP formed in 2015 to address industrial pollutants that left a legacy of contamination in the Raritan River and the Lower Raritan Watershed. Our Lower Raritan Watershed communities have worked hard to restore landscapes destroyed by decades of industrial dumping and toxic pollution. Many of these areas are now thriving, and others are natural Heritage sites, part of the NY/NJ Harbor and Estuary, which provide habitat for federally threatened and/or endangered species.

The LRWP’s most specific concern is with the project’s impact to the marine ecosystem, including the benthic habitat of Raritan Bay. Estimates indicate that as many as 14,100 acres of Raritan Bay may be impacted, with potential serious adverse impact on the Bay’s fisheries. These fisheries include many species of anadromous fish with established spawning grounds in the up-stream Raritan River area, and vulnerable populations of horseshoe crabs, sea turtles, and many other marine mammals.

The LRWP respectfully requests that NJDEP deny permits for the NESE Pipeline project that would result in significant environmental degradation of our Lower Raritan Watershed and Raritan Bay.

Heather Fenyk, Ph.D., AICP/PP

Board President, Lower Raritan Watershed Partnership

Second Chance Eagle

Essay and photos by Joe Mish

This lady of the sky left the cage in full flight as if shot out of a cannon. The green band on the right leg reads, H 52. she is a large 3 year old female, born locally, with no guarantee she will remain anywhere in NJ. Sky is the limit to her future travels.

The X-ray revealed the three year old female eagle’s ulna, broken in three places. Her prognosis was uncertain, as her bone could not be pinned because some healing had already taken place. My heart sank at the news, this would be the third eagle rescue in which I was involved, where two of the three rescued birds had to be euthanized despite appearing very healthy; this feisty eagle looked to be another failed effort.

I was beginning to feel more like the messenger of death, than a rescuer.

The good news was the preliminary field diagnosis of possible lead poisoning tested negative. She was a large female and otherwise appeared healthy with a feisty attitude and voracious appetite. All that could be done was to wrap her wing and hope for the best; a case of tincture of time and scientific neglect. The prospect of hope was slim, but glowed brightly, compared to the absence of all hope in the other rescues.

The weight of the effort to locate her and affect a rescue, given her location amid a steep grade and blow downs covered in wild underbrush, personalized the physical and emotional expenditure. Her survival was as important to me as it was for the species. What a joy it would be to see the shadow of her wings pass over the earth! A symbol of hope and undiminished spirit flying across the heavenly regime of open sky.

This injured eagle was in a difficult location to capture. Her condition and behavior had to be evaluated before making an attempt to reach and constrain her, without doing further injury. The mottled plumage, color of eyes and beak, indicated she was a three-year-old eagle.

Every few weeks from her capture on May second, I would text Cathy at Raptor Trust for an update. Hope was still holding as the eagle remained full of spirit, despite confinement, her was appetite undiminished and notably voracious. Imagine a creature whose domain was the heavens, now confined to a flightless cage. Taking an unavoidable anthropomorphic view, what sustained mental gymnastics would it take to survive that unimaginable confinement? This eagle is a role model for adaptability and emphasizes the critical importance of undiminished spirit in the face of adversity. Hope on a wing and a prayer.

Her wings were eventually unwrapped when it was certain the fractures healed; the next step was to release her into a flight cage. This would be a test of the strength of her healed wing and a final determination of her fate. There is always some feather loss during treatment, so that would delay her recovery further. Her appetite was insatiable as she ate her way back to health and the heavens where she might rule for the next thirty years.

On the afternoon of September 18, 2024, I got a call from Cathy at Raptor Trust and in cooperation with endangered species director, Kathy Clark, told to come get the eagle and release it near where it was rescued. So September 19, I drove to Raptor Trust and loaded the caged eagle in the back seat of my truck for the long awaited release. 

On the way to Raptor Trust what song comes on the radio? Englebert Humperdinck singing, “Please release me, let me go”. The hair stood up on the back of my neck! Eagle magic?

The negative outcome experienced on previous rescues, made this release especially meaningful in a very personal way. This lady of the sky left the cage in full flight as if shot out of a cannon.  Eagles will dive from a perch to catch air under their wings, as she took off from ground level; she needed a long runway to get airborne. She flew parallel to the ground for about 200 yards and then quickly disappeared in the tree line along the stream. I was hoping she would land on a high perch where I could confirm a successful release, no such luck. I took about 20 minutes to get back to the truck and drive in the direction she flew, to park on the other side of the treeline. I waited for half an hour and finally gave up, leaving her to her fate. Just as I started the truck, her majesty did a fly by directly over me! By the time I unbuckled my seat belt, grabbed the camera, and stepped out of the truck, she was gone. What the heck just happened? More eagle magic! It is no wonder why so many cultures hold the eagle in high esteem.

Nothing official, but this eagle convinced me her name was, Angela. 

Angie has been banded for identification with a silver federal band on her left leg and a green anodized aluminum band on her right leg. The green band can easily be read with binoculars or a good camera. Be on the lookout for H52. If you see her, report her to the state AND let me know. People who band birds celebrate any time a band has been reported. It is almost like putting a note in a bottle and tossing it out to sea. What are the chances of a response? Note from the images she still has that immature mottled plumage, orange eyes and dark beak. In a year or two the white head and tail will be more prominent; eyes and beak will turn yellow. Her life expectancy can be 30 years or more, so make sure you tell your kids and grandkids to keep an eye out for Angie and tell her story to their kids. We collectively wish her a long and healthy life, and long may her shadow glide across the earth wherever she may go.

See video of the release…… https://1drv.ms/v/s!AtXtCXPVIWx9l3n6fQg3qGvvS9c7

What a pleasure to announce the successful release, 9.19.24. 3 year old female, NJ green band H52

Author Joe Mish has been running wild in New Jersey since childhood when he found ways to escape his mother’s watchful eyes. He continues to trek the swamps, rivers and thickets seeking to share, with the residents and visitors, all of the state’s natural beauty hidden within full view. To read more of his writing and view more of his gorgeous photographs visit Winter Bear Rising, his wordpress blog. Joe’s series “Nature on the Raritan, Hidden in Plain View” runs monthly as part of the LRWP “Voices of the Watershed” series. Writing and photos used with permission from the author.

LRWP boat build team “launches” new project for America’s semiquincentennial

Starting January 2026, as our contribution to the celebration of the semiquincentennial, the Lower Raritan Watershed Partnership (LRWP) Boat Build Team will “launch” a new year-long project: crafting a facsimile of the historic American Star four-oared gig. The original American Star was presented as a gift to General Lafayette on his last visit to the United States in 1825 and remains to this day a part of Lafayette’s museum collections within his family estate some 30 miles south of Paris, France. The vessel is the only known surviving example of “lightly built American small craft” of its period, which Lafayette referred to as an example of the “ingenuity of American mechanics.”

Please join us January 10, 2026 for a project orientation session, including discussion of the history of the boat, a tour of our workshop, and safety briefing. Pre-registration required.

Note the four-oared gig depicted in the center foreground of J. Pringle’s painting “Arrival of the British Queen at the Battery in New York” (1839):

The Miriam and Ira D. Wallach Division of Art, Prints and Photographs: Print Collection, The New York Public Library. (1840). Arrival of the British Queen at New York, 28 July 1839. Retrieved from https://digitalcollections.nypl.org/items/c53aa8a0-c5ed-012f-59da-58d385a7bc34

The original American Star was built as a racing boat in Brooklyn, NY by brothers John and William Chambers shortly before 1820. It’s design was a modification of the common “Whitehall” rowboats that aided transport and communication, and which were integral to the growth of New York City. These boats “gathered in greatest numbers in a basin under the Battery wall at the foot of Whitehall Street” and thus acquired their name. The American Star, however, was designed for a different purpose: “The lines of the American Star show a hull slimmed and lengthened for speed, with flat sheer and scant freeboard — the evolution from workboat to race boat well advanced.”

When the Captain of the British frigate Hussar challenged New York City’s Whitehallers to a “sham-fight” against the British vessel Dart, which was purported to have won in the Thames and in the West Indies, the American Star was chosen for the event. On December 9, 1824, with “50,000 spectators lining the wharves and the Battery,” the American Star and the Dart raced between the Battery and Hoboken Point, a distance of some four miles. The American Star was victorious, finishing some “300 to 400 yards ahead of the Dart. Time: 22 minutes.” Both crews were cheered by the audience, and it was reported that “victors and vanquished strove to outdo each other in exchange of compliments and amenities.” Never did a contest of this sort end more happily and with more good feeling on either side, an accurate reflection of the state of the political and economic climate.

LRWP’s replica boat, to be named Raritan Star, will be built from a pattern shared by Mystic Seaport Museum. We aim to complete the vessel to get it on-water by July 4, and in Autumn 2026 our Raritan Star will be deployed in Raritan Bay in a friendly reenactment of the 1824 race vs. a Whitehall racing vessel built by NYC’s Village Community Boat House.

Raritan Pathogen Results for 9.4.25

By Danielle Bongiovanni and J.M. Meyer

The first pathogen monitoring session of the month took place on Thursday, September 5th. Each week during the summer, from May to October, the Lower Raritan Watershed Partnership and Rutgers Cooperative Extension of Middlesex County run a volunteer-based monitoring program along the Raritan River. We collect water quality samples at six non-bathing public access beach sites, provide our samples to the Interstate Environmental Commission for analysis in their laboratory, and report the results to the public. Our mission is to share this data with the community and partners to ensure the safe use of the Raritan river for all.

Our lab results for water quality samples taken on Thursday, September 5th, 2025 show Enterococcus bacteria levels exceeding the EPA federal water quality standard of 104 cfu/100mL at two of our monitoring sites this week. Problem sites would be indicated by red frowns on the map and chart which includes: Riverside Park (Piscataway) and Edison Boat Basin (Edison Township). Green smiles on the chart and map indicate the sites with bacteria levels safe for recreation, and include the following: Rutgers Boat House (New Brunswick), Ken Buchanan Waterfront Park (Sayreville), Raritan Bay Waterfront Park (South Amboy), and 2nd Street Park (Perth Amboy).

Pathogens/Enterococci levels are used as indicators of the possible presence of disease-causing bacteria in recreational waters. Such pathogens may pose health risks to people coming in primary contact with the water (touching) through recreational activities like fishing, kayaking or swimming in a water body. Possible sources of bacteria include Combined Sewer Overflows (CSOs), improperly functioning wastewater treatment plants, stormwater runoff, leaking septic systems, animal carcasses, pet waste, wildlife waste, and runoff from manure storage areas.

Our goal in reporting these results is to give residents a better understanding of the potential health risks related to primary contact during water-based recreation. If you are planning on recreating on the Raritan this weekend, make sure to stay safe and wash up after any activities!

The Lower Raritan Watershed Partnership welcomes Margaret, a new science communications intern! Margaret accompanied the volunteers to the first two monitoring sites to record observations for her upcoming project on accessible waterfront recreation. Photo credit: Danielle Bongiovanni.
Ken Buchanan Waterfront Park and its miniature lighthouse are dedicated to a former Sayreville councilman who dedicated 18 years of his life to public service before his passing in 1991. Photo credit: Danielle Bongiovanni.
Repeated exposure to human visitors at Ken Buchanan Waterfront Park emboldens wildlife such as this double-crested cormorant (Nannopterum auritum) to hold their ground when people approach. Photo credit: Danielle Bongiovanni.

Unofficial artistic efforts have added urban flair to the outlet pipe in 2nd Street Park, Perth Amboy. Photo credit: Art Allgauer.


This hidden cat village in Perth Amboy provides shelter for cats that have gone through the city’s trap-neuter-release program. Photo credit: Art Allgauer.

Raritan Pathogens Results For 8.28.25

By Danielle Bongiovanni and J.M. Meyer

The last pathogen monitoring session of the month took place on Thursday, August 28th. Each week during the summer, from May to October, the Lower Raritan Watershed Partnership and Rutgers Cooperative Extension of Middlesex County run a volunteer-based monitoring program along the Raritan River. We collect water quality samples at six non-bathing public access beach sites, provide our samples to the Interstate Environmental Commission for analysis in their laboratory, and report the results to the public. Our mission is to share this data with the community and partners to ensure the safe use of the Raritan river for all.

Our lab results for water quality samples taken on Thursday, August 28, 2025 show Enterococcus bacteria levels exceeding the EPA federal water quality standard of 104 cfu/100mL at two of our monitoring sites this week. Problem sites would be indicated by red frowns on the map and chart which includes: Riverside Park (Piscataway) and Rutgers Boat House (New Brunswick). Green smiles on the chart and map indicate the sites with bacteria levels safe for recreation, and include the following: Edison Boat Basin (Edison Township), Ken Buchanan Waterfront Park (Sayreville), Raritan Bay Waterfront Park (South Amboy), and 2nd Street Park (Perth Amboy).

Pathogens/Enterococci levels are used as indicators of the possible presence of disease-causing bacteria in recreational waters. Such pathogens may pose health risks to people coming in primary contact with the water (touching) through recreational activities like fishing, kayaking or swimming in a water body. Possible sources of bacteria include Combined Sewer Overflows (CSOs), improperly functioning wastewater treatment plants, stormwater runoff, leaking septic systems, animal carcasses, pet waste, wildlife waste, and runoff from manure storage areas.

Our goal in reporting these results is to give residents a better understanding of the potential health risks related to primary contact during water-based recreation. If you are planning on recreating on the Raritan this weekend, make sure to stay safe and wash up after any activities!

Two white-tailed deer (Odocoileus virginianus) sprint through Riverside Park. Photo credit: J.M. Meyer.
The range of the Chesapeake blue crab (Callinectes sapidus) extends far beyond the Chesapeake Bay. This deceased specimen was spotted floating in the Raritan River by Riverside Park, Piscataway. Photo credit: J.M. Meyer.
Beautiful weather draws Perth Amboy residents to recreate along the shore of the Raritan River at 2nd Street Park. Photo credit: J.M. Meyer.
The LRWP appreciates all of the hard work Ashley has put in this summer, and we wish her well as she returns to Rutgers for the fall semester! Photo credit: J.M. Meyer.

Litter trap cleanout with Sewa, August 16th, 2025

The LRWP and SEWA volunteers went out to the litter trap in the Green Brook on Saturday, August 9th, 2025, to conduct a litter tally. Huge thanks to our SEWA International Central Jersey youth partners! Thanks to their efforts, we’ll have much better data on how the litter trap keeps our watershed clean. Learn more about the litter trap initiative here. And learn more about the LRWP’s litter tally project with SEWA here. Below, you’ll find Sewa’s Nilesh Bhat describing the litter we picked up and conditions surrounding the litter trap.


Blog post by Yashashvi Pabbisetty

After several weeks of cleaning up and observing the Greenbrook stream and the litter trap, we have finished our final cleanup. During this meeting we noticed a significant amount of litter built up inside the trap as well as outside in the stream, met with two board members of the Lower Raritan Watershed Partnership, and ended the meeting by testing how various different pieces of litter go through the trap.

Trash Inside the Litter Trap:

  • 4 plastic bottles
  • 2 aluminum cans
  • 1 glass bottle
  • 1 paper wrapper
  • 6 shot bottles 
  • 1 foam rocket
  • 15-20 pieces of styrofoam
  • 1 piece of cardboard 
  • 4 cigarette butts

Trash Outside the Litter Trap

  • 1 broken down mattress
  • 18 broken glass pieces
  • 5 ceramic pieces
  • 3 glass bottles
  • 16 plastic bottles
  • 8 aluminum cans 
  • 17 plastic wrappers
  • 1 metal rod 
  • 2 tires
  • 1 styrofoam food container
  • 2 shot bottles
  • 1 piece of fabric
  • 1 strap
  • 1 purse
  • 1 toolbox piece with nails
  • 26 plastic bags
  • 1 umbrella
  • 5 styrofoam pieces
  • 1 piece of paper

During this meeting we had the opportunity to present to two members of the LRWP board, Nandini Checko and Anton Getz. First, we presented our findings from our group report on the storm which took place on July 14th, and then we discussed what we’ve learned about the litter trap. Afterwards, Dini and Anton shared their professional experiences with us, as well as their path to careers in environmental activism, safety, and science.

After our discussion, we collected and counted the litter. Anton helpfully brought a metal canoe to move swiftly through the stream, and collect tires and large objects; his canoe allowed him to float heavy debris up and down the stream.

Our meeting with Nandini and Anton gave us insights into the importance of the work that we do each week, how it fits into the bigger picture, and the ways in which volunteer organizations fill important gaps in the fight against plastic pollution.

To finish off our final meeting, we decided to each pick an item from the day’s cleanup to put back in the stream behind the litter trap and had a race; whichever item went into the trap first, would be victorious. This final experience answered a question that was on many of our minds: what item moves through the stream the fastest. The item which ended up winning was a piece of a styrofoam tray. This collaboration between the Sewa central jersey chapter volunteer organization and LRWP turned out as a huge success; we have gained accurate data about the trash flows in the Green Brook, and learned a tremendous amount about riparian floodways, environmental activism, plastic pollution, and community engagement!

The trash is neatly stacked and ready for pickup by our partners at the Dunellen Department of Public Works. Thank you, Dunellen!

Litter trap count with Sewa, August 9th, 2025

    The LRWP and SEWA volunteers went out to the litter trap in the Green Brook on Saturday, August 9th, 2025, to conduct a litter tally. Huge thanks to our SEWA International Central Jersey youth partners! Thanks to their efforts, we’ll have much better data on how the litter trap keeps our watershed clean. Learn more about the litter trap initiative here. And learn more about the LRWP’s litter tally project with SEWA here. Below, you’ll find Sewa’s Nilesh Bhat describing the litter we picked up and conditions surrounding the litter trap.


Blog post by Aasmi Bora

This past week, the litter trap was heavily impacted by the flash floods that occurred on 7/31. Unlike our usual schedule, this cleanup was after two weeks and not one. The trap had accumulated hundreds of tree branches: caught inside, lodged under it, or beside it. Luckily, with the help of our Sewa volunteers, we were able to completely remove all of the organic matter surrounding the litter trap, restoring its ability to freely collect waste without any obstruction.

This week, we collecting the following litter from inside the trap:

  • 11 shot bottles
  • 1 prescription container
  • 20 plastic bottles
  • 1 glass bottle
  • 1 bottom of a basketball hoop
  • 1 soccer ball
  • 1 marker
  • 1 headlight
  • 1 cigar 
  • 8 aluminum cans
  • 1 eye drop 
  • 1 nail separator 
  • about 20-30 pieces of styrofoam 
  • 1 tire
  • 1 wooden slab
  • 1 juice box

We also found litter outside the trap:

  • 6 glass bottles
  • 1 hand sanitizer 
  • 1 lighter
  • 1 tennis ball
  • 22 plastic bottles
  • 4 shot bottles2 plastic container 
  • 2 eye drops
  • 1 half of an easter egg 
  • 5 aluminum cans
  • 4 plastic bottle caps
  • 1 fishing bobble
  • 1 straw
  • About 110 pieces of styrofoam 
  • 1 test kit
  • 1 plastic piece
  • 2 slabs of insulation
  • 1 shovel bottom 
  • 1 shoe
  • 16 plastic bags
  • 2 balloons
  • 1 piece of glass
  • 1 marker

             This week, we observed that the majority of the styrofoam we collected had been damaged by fire. The styrofoam pieces were also much larger in comparison to what we have collected in the past. There was also a multitude of building materials in the collection this week.

Finally, we found a large fishing spider hiding among the trash in the debris!

A fishing spider (dolomedes tenebrosus) was found in the litter trap.

             As we have been conducting this project for the past few weeks, we have been exploring ways to improve the litter trap’s design. This week’s cleanup allowed us to witness how organic matter, such as a tree branch, was able to act as a net and catch a large portion of the litter that was collected in the trap. We found that organic matter is used in many countries, especially in smaller villages, to prevent the debris from moving forward. Often known as debris barriers, the use of organic matter is especially convenient when collecting smaller pieces of waste like Styrofoam which can be tedious to collect by hand due to the size of some Styrofoam pieces. However, we also have to consider that these natural barriers may require some upkeep in order to remain effective.

This cleanup was very insightful and provided us with more ways to make the litter trap a much more convenient and more efficient mechanism.

Raritan Pathogens Results for 8.21.2025

By Danielle Bongiovanni and J.M. Meyer

The third pathogen monitoring session of the month took place on Thursday, August 21st. Each week during the summer, from May to October, the Lower Raritan Watershed Partnership and Rutgers Cooperative Extension of Middlesex County run a volunteer-based monitoring program along the Raritan River. We collect water quality samples at six non-bathing public access beach sites, provide our samples to the Interstate Environmental Commission for analysis in their laboratory, and report the results to the public. Our mission is to share this data with the community and partners to ensure the safe use of the Raritan river for all.

Our lab results for water quality samples taken on Thursday, August 21, 2025 show Enterococcus bacteria levels exceeding the EPA federal water quality standard of 104 cfu/100mL at five of our monitoring sites this week. On the chart below, red frowns indicate problem sites, and these include Riverside Park (Piscataway), Rutgers Boat House (New Brunswick), Edison Boat Basin (Edison Township), Ken Buchanan Waterfront Park (Sayreville), and 2nd Street Park (Perth Amboy).

We do not have complete data for South Amboy due to an abnormality in the lab results. Out of an abundance of caution, we are issuing a red smiley face to South Amboy as well. If the status of the lab result changes and we receive a different verdict from the Interstate Environmental Commission (IEC), then we will update our chart and map on this blog and on our social media.

Green smiles on the chart and map indicate the sites with bacteria levels safe for recreation. Unfortunately, we are not handing out any green smiles this week.

Pathogens/Enterococci levels are used as indicators of the possible presence of disease-causing bacteria in recreational waters. Such pathogens may pose health risks to people coming in primary contact with the water (touching) through recreational activities like fishing, kayaking or swimming in a water body. Possible sources of bacteria include Combined Sewer Overflows (CSOs), improperly functioning wastewater treatment plants, stormwater runoff, leaking septic systems, animal carcasses, pet waste, wildlife waste, and runoff from manure storage areas.

Our goal in reporting these results is to give residents a better understanding of the potential health risks related to primary contact during water-based recreation. If you are planning on recreating on the Raritan this weekend, make sure to stay safe and wash up after any activities!

Internationally-acclaimed artist Ania Upstill volunteered for pathogen monitoring this week! In this photo, Ania greets Elver the eel. At each of our sites, Ania picked up litter and learned about how the Raritan River Watershed has been affected by nonpoint source pollutants. Photo credit: –J.M. Meyer.
A fisher at Edison Boat Basin takes advantage of the cloudy day and the dock ramp. Photo credit: –Art Allgauer.
High tide combined with the outer bands of Hurricane Erin led to flooding at the Class of 1914 Rutgers Boat House in New Brunswick. Photo credit: –J.M. Meyer.
Rutgers coaches help their athletes navigate a swollen Raritan River near Rutgers Boat House. Photo credit: — Art Allgauer.
In Perth Amboy, the pile of sanitary products and sewage sediment has been partially capped by top soil. The sewage smell is less noticeable compared to previous visits, but still present. Photo credit: –J.M. Meyer.
In the sample from Sayreville, our IEC lab technicians found a moon jellyfish (Aurelia aurita)! Though jellyfish are often thought of as ocean animals, some species enjoy the brackish waters such as those found at the Ken Buchanan Waterfront Park. Photo credit: –Ruby Alcorn.

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