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6th of August 2021

We’re Hiring

GPF Administrative Assistant: Do you have a passion for water, a talent for communication, and wish to contribute to local conservation and science? Great Pond Foundation seeks a meticulous, diligent, and conscientious individual for a part-time, year-round position. The GPF Administrative Assistant would be the communications hub of our scientific team, so excellent communication skills are a must […]


4th of August 2021

Cyanobacteria Alert

ALERT for Parts of Edgartown Great Pond A CYANOBACTERIA ALERT has been issued by the Edgartown Board of Health for the northern portion of Edgartown Great Pond.  This change in designation from green to yellow indicates that as the pond’s salinity decreases and summer temperatures increase, there is evidence that the concentration of cyanobacteria cells in […]


Summer Cut

When will the Pond be cut? Although the elevation of Edgartown Great Pond is on the rise, it is not quite high enough for a cut. The Pond is currently just shy of 3 feet above sea level, ~ 0.5 foot below the minimum threshold needed for a successful cut. There are 2 inches of […]


23rd of June 2021

Opening & Elevation

When is it time to cut EGP? Although the elevation of Edgartown Great Pond is on the rise, it is not quite high enough for a cut. The Pond is currently approximately 2.9 feet above sea level, below the 3.5 foot minimum threshold needed for a successful cut.  Since GPF began monitoring the elevation of […]


Jellyfish Sightings

Clinging Jellyfish Caught During Beach Seine: Clinging Jellyfish have again been spotted in Edgartown Great Pond. First observed in EGP in 2018, clinging jellyfish, officially known as Gonionemus vertens, pack a powerful sting. GPF received reports of clinging jellies in Slough Cove from Martha Cohan and from our science team who observed them when conducting […]


31st of March 2021

Excellent EGP Opening

Successful Pond Cut Following Winter Dredging Edgartown Great Pond remains open and the tidal flush continues. The Pond cut on February 28, 2021 and there has been sufficient tidal exchange to flush all regions of EGP. Following a breach of the barrier beach on Sunday February 28th, Edgartown Great Pond (EGP) is open, tidal, and […]


5th of March 2021

EGP Cut Update

The Pond Is Open & Tidal: Following a breach of the barrier beach on Sunday February 28th, Edgartown Great Pond (EGP) remains open, tidal, and connected to the Atlantic Ocean. There are 2 phases to an opening: 1) Drainage and 2) Tidal Exchange. Prior to the cut, EGP was ~4 feet above sea level and […]


26th of February 2021

EGP Cut & Dredging Update

Pond Cut Scheduled for Weekend: The current elevation of Edgartown Great Pond is ~4 feet above sea level. Pond cuts are possible when EGP is ≥ 3.5 feet above sea level. Shellfish Constable, Paul Bagnall, announced Monday afternoon at the meeting of the Edgartown Board of Selectmen that the Town of Edgartown has scheduled an […]


22nd of February 2021

Press Release: GPF & MBL

Trio of Ponds Partner with MBL


28th of January 2021

Great Pond Cut Update

High Water on EGP: Curious about the timing of the next cut?  The Town of Edgartown launched its dredge in Edgartown Great Pond on Monday January 25th, 2021. The dredge needs a high elevation pond for launch, operation, and hauling out.  As such, the Town plans to open EGP as soon as the dredging is […]