Water Quality
Water Quality > Water Quality Testing Locations > Rockland County & Westchester County > Tarrytown Marina

Tarrytown Marina

Tarrytown Marina copy

About this location:

Tarrytown, NY
This large marina has boating and fishing.

Agencies Responsible:

Westchester County Dept. of Health: 914-813-5000 and NYSDEC Region 3: 914-428-2505

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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

21 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
10/11/2012 389 Unacceptable 0.0 0.1 0.1 0.1 0.2
09/11/2012 10 Acceptable 0.0 0.0 0.0 1.4 2.1
08/14/2012 10 Acceptable 0.0 0.0 0.0 0.0 0.2
07/17/2012 10 Acceptable 0.0 0.0 0.2 0.2 0.2
06/12/2012 75 Possible Risk 0.0 0.0 0.0 0.0 0.0
05/16/2012 31 Acceptable 0.1 0.4 0.5 0.5 0.5
10/20/2011 86 Possible Risk 0.0 0.1 0.1 0.1 0.1
09/15/2011 86 Possible Risk 0.0 0.0 0.0 0.0 0.0
08/17/2011 <10 Acceptable 0.0 0.0 0.0 3.4 3.4
07/18/2011 <10 Acceptable 0.0 0.0 0.0 0.0 0.0
06/28/2011 41 Possible Risk 0.0 0.0 0.0 0.0 1.1
05/17/2011 >24196 Unacceptable 1.2 1.2 2.0 2.0 2.0
10/13/2010 >24196 Unacceptable 0.0 0.1 0.3 0.3 0.3
09/12/2010 <10 Acceptable 0.0 0.0 0.0 0.0 0.0
08/18/2010 10 Acceptable 0.0 0.0 0.2 0.5 0.5
07/22/2010 3654 Unacceptable 0.0 0.1 0.1 1.5 1.5
08/22/2009 2310 Unacceptable 0.6 1.2 1.2 1.2 1.2
09/27/2008 74 Possible Risk 0.0 1.7 1.7 1.7 1.7
09/09/2008 213 Unacceptable 0.6 0.6 0.6 5.4 5.4
08/21/2008 10 Acceptable 0.0 0.0 0.0 0.0 0.0
08/06/2008 3873 Unacceptable 1.6 1.6 1.6 1.7 1.9

Basic Sampling Data

21 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
10/11/2012 389 Unacceptable 62.7 5.3 6.2 27.4 88.1
09/11/2012 10 Acceptable 75.1 8.3 7.0 30 89
08/14/2012 10 Acceptable 80.9 9.4 4.4 9 96
07/17/2012 10 Acceptable 81.3 10.8 22.2 10 112
06/12/2012 75 Possible Risk 71.8 4.0 4.3 25 83
05/16/2012 31 Acceptable 64.6 1.3 4.5 51 104
10/20/2011 86 Possible Risk 64.2 1.1 0.5 137 93
09/15/2011 86 Possible Risk 71.2 0.1 2.0 107 81
08/17/2011 <10 Acceptable 80.0 6.6 3.9 28 89
07/18/2011 <10 Acceptable 81.9 4.2 16.7 19 n/a
06/28/2011 41 Possible Risk 78.8 2.1 7.0 2 102
05/17/2011 >24196 Unacceptable 59.6 2.8 3.0 80 90
10/13/2010 >24196 Unacceptable 63.6 0.3 6.9 26 87
09/12/2010 <10 Acceptable 72.5 9.3 7.4 19 76
08/18/2010 10 Acceptable 78.9 9.3 9.7 33 85
07/22/2010 3654 Unacceptable 82.2 9.1 37.8 12 175
08/22/2009 2310 Unacceptable 80.3 4.9 35.0 20 90
09/27/2008 74 Possible Risk n/a n/a n/a n/a n/a
09/09/2008 213 Unacceptable n/a n/a n/a n/a n/a
08/21/2008 10 Acceptable 76.1 6.4 3.9 32 85
08/06/2008 3873 Unacceptable n/a n/a n/a n/a n/a

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