Sewage Treatment Disks persist along Long Island Sound beaches

From Sound Beacher:  Here are these mysterious daisy wheels washed up along the shore.  Been seeing them since the spring. It’s December and I think I may be seeing more of them:

Disks about the size of a quarter

On the beach they float in with the winds and tides after ten months at sea:

They will persist for years

From:

http://www3.westchestergov.com/index.php?option=com_content&view=article&id=2923:storm-water-washes-plastic-disks-onto-sound-shore-beaches&catid=74:news&Itemid=300137

Storm Water Washes Plastic Disks onto Sound Shore Beaches
LAST UPDATED ON WEDNESDAY, 09 MARCH 2011 13:18
March 8, 2011 — Heavy rain on Sunday contributed to a release into the Long Island Sound of thousands of small white plastic disks from the Westchester County Wastewater Treatment Plant in Mamaroneck.

The disks have washed up on shore from Rye to New Rochelle.

The county’s Department of Environmental Facilities is hiring a contractor to retrieve as many of them as possible. The disks, used at the Mamaroneck WWTP to help clean wastewater, are made of HDPE (high density polyethylene). HDPE is a non-toxic plastic that is used in every-day storage of food items. For example, it is the same plastic commonly used for making milk containers.

Thomas J. Lauro, commissioner of the county’s Department of Environmental Facilities, said that the plant is under construction, with two of the six aeration tanks being upgraded for advanced wastewater treatment. The disks escaped from one of the tanks during startup of the process. The disks are used in the process of removing nitrogen from the wastewater to prevent hypoxia (inadequate oxygen) in the Sound.

Dr. Cheryl Archbald, acting commissioner of health, said that the disks pose no health risks to the public. Residents who find the disks on their property can throw them in the garbage. As with any debris, it is recommended that people use gloves or wash their hands after handling the disks.

The county has already retrieved thousands of the disks, which are white, about the size of a quarter and resemble a wagon wheel.

In the wild

From:

http://glencove.patch.com/articles/plastic-disks-from-westchester-plant-wash-
onto-glen-cove-beaches

“There is no public health concern,” said Mary Ellen Laurain, a spokesperson for
the Nassau County Health Department. Laurain said she received her information
both from Westchester health officials and the NY State Dept. of Environmental
Conservation.

Rather, they remain a litter issue: “Treat them like debris. You should use
plastic gloves to be safe,” Laurain said.

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3 Responses to Sewage Treatment Disks persist along Long Island Sound beaches

  1. We still regularly find them along our RI beaches. And report their sightings. Can you say “fall to deaf ears?”

  2. I continue to find piles of these disks on my street in Mamaroneck, NY.
    Last spring I documented this deplorable situation.
    Please have a look at my website, http://marjoriekaufman.com/-Un_Natural_Elements.php

    • EarthImage says:

      Remarkable blog site, and remarkable natural site too. Beautiful photos. I reported this to the plant manager in Mamaroneck, who filled me in on the subject. I returned a handful of disks to him.

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