Water Quality
Water Quality > Water Quality Testing Locations > Rockland County & Westchester County > Annesville Creek

Annesville Creek

Annesville Creek

About this location:

Peekskill, NY
Annesville Creek is a tributary near Peekskill that is popular with kayakers.

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

26 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
10/20/2011 393 Unacceptable 0.0 0.1 0.1 0.1 0.1
09/15/2011 578 Unacceptable 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 31 Acceptable 0.0 0.0 0.0 0.0 1.1
05/17/2011 958 Unacceptable 1.2 1.2 2.0 2.0 2.0
10/13/2010 10 Acceptable 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 275 Unacceptable 0.0 0.1 0.1 1.5 1.5
06/16/2010 10 Acceptable 0.0 0.0 0.0 0.1 0.1
05/22/2010 <10 Acceptable 0.0 0.0 0.0 0.0 1.6
10/20/2009 10 Acceptable 0.0 0.0 0.0 0.0 0.3
09/15/2009 <10 Acceptable 0.0 0.0 0.0 0.0 0.3
08/21/2009 <10 Acceptable 0.0 0.0 0.0 0.0 0.0
07/29/2009 10 Acceptable 0.6 0.6 0.6 0.8 1.1
06/23/2009 75 Possible Risk 0.0 0.0 0.6 0.7 3.5
06/08/2009 10 Acceptable 0.0 0.0 0.0 0.8 1.7
05/13/2009 5 Acceptable 0.0 0.0 0.0 0.0 0.3
10/21/2008 10 Acceptable 0.0 0.0 0.0 0.0 0.0
09/23/2008 <10 Acceptable 0.0 0.0 0.0 0.0 0.0
08/21/2008 <10 Acceptable 0.0 0.0 0.0 0.0 0.0
07/15/2008 20 Acceptable 0.0 1.1 1.1 1.1 1.1
06/25/2008 18 Acceptable 0.0 0.0 0.0 0.1 0.3
06/16/2008 365 Unacceptable 0.0 0.0 1.7 1.7 1.7
05/20/2008 11 Acceptable 0.3 0.3 0.5 0.6 1.5

Basic Sampling Data

26 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
10/20/2011 393 Unacceptable 61.2 0.1 1.7 62 89
09/15/2011 578 Unacceptable 67.8 0.1 2.0 56 91
08/17/2011 10 Acceptable 83.5 1.7 2.1 39 93
07/18/2011 <10 Acceptable 83.3 0.3 5.6 21 138
06/28/2011 31 Acceptable 78.0 0.6 7.8 6 100
05/17/2011 958 Unacceptable 60.1 0.1 n/a n/a 96
10/13/2010 10 Acceptable 65.8 0.1 4.3 27 86
09/12/2010 10 Acceptable 74.8 2.9 9.2 11 86
08/18/2010 <10 Acceptable 81.8 3.8 7.5 9 89
07/22/2010 275 Unacceptable 82.6 3.2 7.4 21 122
06/16/2010 10 Acceptable 72.0 2.2 3.5 20 84
05/22/2010 <10 Acceptable 65.2 1.9 2.4 22 94
10/20/2009 10 Acceptable 60.7 1.9 2.9 18 93
09/15/2009 <10 Acceptable 78.3 3.0 2.9 44 96
08/21/2009 <10 Acceptable 82.6 1.0 3.7 18 89
07/29/2009 10 Acceptable 78.2 0.3 6.8 19 86
06/23/2009 75 Possible Risk 71.1 0.1 1.3 18 103
06/08/2009 10 Acceptable n/a n/a n/a n/a n/a
05/13/2009 5 Acceptable 65.2 0.2 3.3 17 120
10/21/2008 10 Acceptable 64.5 4.3 1.7 9 86
09/23/2008 <10 Acceptable 75.1 2.5 1.5 11 89
08/21/2008 <10 Acceptable 79.9 1.4 1.8 12 83
07/15/2008 20 Acceptable 82.4 2.4 8.9 22 140
06/25/2008 18 Acceptable 77.2 2.8 1.5 14 89
06/16/2008 365 Unacceptable n/a n/a n/a n/a n/a
05/20/2008 11 Acceptable 58.0 0.6 2.1 31 94

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