Photos of the Long Island Sound

Research & Monitoring

Status and Trends: LISS Environmental Indicators

NYC Boom and Skim Collection

NYC DEP

NYC Floatable Debris
  LIS Sites Volume (cubic yds.) Non-LIS Sites  Volume (cubic yds.)
Total
1995   353 381.5    734.5
1996   801.5 928 1,729.5
1997   657 879.5 1,536.5
1998   418.5 396.5    815
1999   676.5 440.25 1,116.75
2000   351 262.75   613.75
2001   309 273.5    582.5
2002   592.5 527.75 1120.25
2003   648 732.25 1380.25
2004   928.5 565.25 1,493.75
2005   772 358.8 1,130.8
2006 1,278 440.5 1,718.5
2007 1,594 714.25 2,308.25
2008 1,404 682 2,086
2009   945 632.25 1,577.25
2010 1,304.5 991 2,295.5
2011 1,275.5 714.25 1,989.75
2012    628 765 1,393
2013    696.5 230.5    927
2014 437.75 na   437.75
2015 246.5 na   246.5

WHAT IS New York City Land-Based Marine DEBRIS?

Land-based marine debris (floatables) are water-borne litter and debris. They come mainly from street litter that ends up in the City’s storm drains and sewers or from recreational activities such as pleasure boating and beach goers. During certain heavy rain events when water flow into treatment plants exceeds treatment capacity, floatables may be discharged into the surrounding waters.

HOW DOES THE NYC DEP BOOM AND SKIM PROGRAM WORK TO RECOVER FLOATABLES?

A debris containment boom and skimmer vessel is used to contain against further dispersion of debris and skim floatable debris from a body of water. The NYC DEP has installed booms or floating barriers at 24 locations to capture floatables discharged from combined sewers, which handle sanitary and storm water. NYC DEP skimmer vessels are used to remove floatable debris from boomed sites. The Long Island Sound sites are: Bowery Bay, Bronx River, Clason Point, Cryder’s Lane, Flushing Bay (CS1), Flushing Bay (CS2), Flushing Creek 1, Flushing Creek 2, and Hunts Point.

WHAT DOES THIS INDICATE?

This indicator measures efforts by New York City to remove land-based marine debris from their waterways. From 1995-2007, data from all New York City waterways was combined, but beginning in 2008 data from Long Island Sound sites were able to be separated and tabulated.

STATUS

Floatable debris remains a problem in the highly urbanized portion of the Long Island Sound watershed.

DATA NOTES

Data does not include debris collected by the Cormorant in offshore sites.

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