Water Quality
Water Quality > Water Quality Testing Locations > New York City, Hudson County & Bergen County > East River at Roosevelt Island

East River at Roosevelt Island

East River_Roosevelt Islan copy

About this location:

Queens, NY
This site has boating, fishing, kayaking and occasional swim events.

The data displayed on these pages relates to the levels of sewage indicating microbes. Even though the levels on a single days can fall within acceptable levels for Enterococcus, these locations are not necessarily acceptable for swimming. Other water quality parameters not reported on this web site such as chemical contamination and floatables should cause users to exercise caution at this site.

Agencies Responsible:

NYCDEP: 212-639-9675 and NYSDEC Region 2: 718-482-4933

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Basic Sampling Data

Physical, chemical and biological properties of the surface water that are measured continuously while the patrol boat is underway.

Water Quality, Enterococcus Count and Precipitation

42 Samples taken

Sample Date [i] Enterococcus
Count
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Enterococcus Count

Enterococcus is a commonly used indicator of water quality and sewage contamination.

Quality Rain, day
of (in)		 Prior Day 2 Days
Prior		 3 Days
Prior		 5 Days
Prior
10/10/2012 63 Possible Risk 0.3 0.3 0.3 0.5 0.5
09/10/2012 10 Acceptable 0.0 0.0 0.4 0.4 0.5
08/13/2012 <10 Acceptable 0.0 0.0 0.0 0.2 0.2
07/16/2012 30 Acceptable 0.0 0.3 0.3 0.3 0.3
06/11/2012 <10 Acceptable 0.0 0.0 0.0 0.0 0.0
05/15/2012 10 Acceptable 0.5 0.5 0.5 0.5 0.7
10/21/2011 84 Possible Risk 0.0 0.0 1.1 1.1 1.1
09/14/2011 10 Acceptable 0.0 0.0 0.0 0.0 0.0
08/16/2011 109 Unacceptable 0.0 0.6 6.4 6.4 6.4
07/19/2011 <10 Acceptable 0.0 0.1 0.1 0.1 0.1
06/27/2011 <10 Acceptable 0.0 0.0 0.0 0.0 0.6
05/16/2011 181 Unacceptable 0.2 1.1 1.1 1.1 1.1
10/12/2010 275 Unacceptable 0.1 1.2 1.2 1.2 1.2
09/11/2010 <10 Acceptable 0.0 0.0 0.0 0.0 0.0
08/17/2010 63 Possible Risk 0.0 0.1 0.3 0.3 0.3
07/21/2010 <10 Acceptable 0.0 0.0 0.1 0.1 0.1
06/15/2010 <10 Acceptable 0.0 0.0 0.3 0.3 0.6
05/21/2010 10 Acceptable 0.0 0.0 0.0 1.1 1.1
10/19/2009 10 Acceptable 0.0 0.3 0.3 0.4 1.0
09/14/2009 <10 Acceptable 0.0 0.0 0.0 0.9 0.9
08/20/2009 <10 Acceptable 0.0 0.0 0.6 0.6 0.6
07/28/2009 52 Possible Risk 0.0 0.6 2.0 2.0 2.4
06/22/2009 <10 Acceptable 0.0 0.5 0.7 0.7 3.0
06/05/2009 <10 Acceptable 0.9 1.5 2.0 2.0 2.0
05/12/2009 10 Acceptable 0.0 0.0 0.0 0.6 1.7
10/20/2008 10 Acceptable 0.0 0.0 0.0 0.0 0.0
09/24/2008 <10 Acceptable 0.0 0.0 0.0 0.0 0.0
08/19/2008 <10 Acceptable 0.0 0.0 0.0 0.0 1.1
07/14/2008 187 Unacceptable 0.5 0.5 0.5 0.5 0.5
07/02/2008 <10 Acceptable 0.0 0.0 0.0 0.6 1.1
06/24/2008 109 Unacceptable 0.0 0.1 0.1 0.1 0.3
05/19/2008 <10 Acceptable 0.0 0.1 0.2 1.1 1.1
09/06/2007 1 Acceptable 0.0 0.0 0.0 0.0 0.0
08/16/2007 4 Acceptable 0.0 0.0 0.0 0.0 0.0
07/11/2007 1 Acceptable 0.0 0.0 0.0 0.0 0.0
06/18/2007 8 Acceptable 0.0 0.0 0.0 0.0 0.0
05/23/2007 4 Acceptable 0.0 0.0 0.0 0.0 0.2
04/18/2007 344 Unacceptable 0.0 0.0 0.9 8.5 8.5
12/13/2006 30 Acceptable 0.2 0.2 0.2 0.2 0.2
11/10/2006 112 Unacceptable 0.0 0.0 3.6 3.6 3.6
10/18/2006 135 Unacceptable 0.0 1.1 1.1 1.1 1.1
09/26/2006 2 Acceptable 0.0 0.0 0.0 0.1 0.1

Basic Sampling Data

42 Samples taken

Sample Date [i] Enterococcus
Count
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Enterococcus Count

Enterococcus is a commonly used indicator of water quality and sewage contamination.

Quality Temperature
(f)		 Salinity Chlorophyll Turbidity Oxygen
10/10/2012 63 Possible Risk 67.5 24.7 1.7 8.1 67.4
09/10/2012 10 Acceptable 77.6 24.7 2.7 40 53
08/13/2012 <10 Acceptable 77.0 33.7 0.7 7 46
07/16/2012 30 Acceptable 74.8 32.7 2.0 8 56
06/11/2012 <10 Acceptable 68.4 22.9 2.1 n/a 64
05/15/2012 10 Acceptable 58.7 22.3 1.6 9 78
10/21/2011 84 Possible Risk 64.1 20.7 0.6 12 77
09/14/2011 10 Acceptable 71.5 14.0 1.4 31 72
08/16/2011 109 Unacceptable 74.2 22.1 1.0 42 57
07/19/2011 <10 Acceptable 73.9 21.9 1.4 9 66
06/27/2011 <10 Acceptable 70.2 19.9 1.9 11 57
05/16/2011 181 Unacceptable 55.4 19.4 4.1 61 81
10/12/2010 275 Unacceptable 66.0 21.8 1.4 12 71
09/11/2010 <10 Acceptable 71.2 25.8 2.8 19 71
08/17/2010 63 Possible Risk 76.8 26.4 1.9 8 45
07/21/2010 <10 Acceptable 76.7 25.4 1.5 6 45
06/15/2010 <10 Acceptable 65.7 23.3 0.5 17 66
05/21/2010 10 Acceptable 57.0 23.9 2.2 8 77
10/19/2009 10 Acceptable 57.2 25.0 0.9 7 80
09/14/2009 <10 Acceptable 70.9 24.7 0.9 39 65
08/20/2009 <10 Acceptable 76.7 22.1 2.0 21 57
07/28/2009 52 Possible Risk 72.9 23.3 1.1 12 48
06/22/2009 <10 Acceptable 67.0 15.9 0.7 66 65
06/05/2009 <10 Acceptable n/a n/a n/a n/a n/a
05/12/2009 10 Acceptable 56.8 18.7 0.7 15 79
10/20/2008 10 Acceptable 62.4 25.3 0.9 6 67
09/24/2008 <10 Acceptable 70.4 25.2 8.8 8 92
08/19/2008 <10 Acceptable 73.4 22.4 1.2 11 65
07/14/2008 187 Unacceptable 72.2 24.5 1.1 10 53
07/02/2008 <10 Acceptable 69.2 24.0 1.1 11 58
06/24/2008 109 Unacceptable 67.8 23.6 0.8 8 56
05/19/2008 <10 Acceptable 57.0 21.7 0.9 10 81
09/06/2007 1 Acceptable 74.8 25.5 1.7 11 63
08/16/2007 4 Acceptable n/a n/a n/a n/a n/a
07/11/2007 1 Acceptable 69.5 25.1 1.5 27 54
06/18/2007 8 Acceptable n/a n/a n/a n/a n/a
05/23/2007 4 Acceptable 58.9 23.2 2.5 103 75
04/18/2007 344 Unacceptable 44.9 20.3 0.1 27 96
12/13/2006 30 Acceptable 47.9 21.0 1.1 20 90
11/10/2006 112 Unacceptable 55.0 17.5 0.8 19 86
10/18/2006 135 Unacceptable 64.3 22.7 1.2 7 70
09/26/2006 2 Acceptable 68.9 22.9 0.3 n/a 76

Rainfall data comes from wunderground.com. It is added daily to show cumulative amounts.

Acceptable Color
Enterococcus count (under 35/100ml) is acceptable by EPA standards*
Possible Risk Color
Enterococcus count (between 35 and 104/100ml), if sustained over time, would be unacceptable by EPA standards*
Unacceptable Color
Enterococcus count (over 104/100ml) is unacceptable by EPA standards*

What do the Numbers Mean?

We have based our assessment of acceptable water quality on the federal guidelines outlined in the 2000 Beaches Environmental Assessment and Coastal Health (BEACH) Act. Learn More