Beacon Harbor

Beacon Harbor

Physical/Chemical Data

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

Entero Count (fecal indicator) and Rainfall

57 Samples taken

Sample Date [i] Enterococcus Count

Entero Count

Enterococcus (“Entero”) is a fecal indicating bacterium that lives in the intestines of humans and other warm-blooded animals. It is the EPA preferred indicator for sewage contamination.

Quality Rain, day of (in) Prior Day 2 Days Prior 3 Days Prior Rain 4 Days Total Rain
Sort Sort Sort Sort Sort Sort Sort Sort
04/06/2017 15 Acceptable 0.5 0.0 0.7 0.0 1.2
10/16/2016 12 Acceptable 0.0 0.0 0.0 0.0 0.0
09/15/2016 16 Acceptable 0.0 0.0 0.0 0.0 0.0
08/16/2016 25 Acceptable 0.0 0.0 0.1 0.1 0.2
07/14/2016 6 Acceptable 0.0 0.0 0.0 0.0 0.0
06/16/2016 8 Acceptable 0.0 0.0 0.0 0.0 0.0
05/21/2016 1 Acceptable 0.0 0.0 0.0 0.0 0.0
10/13/2015 33 Acceptable 0.0 0.0 0.0 0.0 0.0
09/12/2015 31 Acceptable 0.6 0.1 0.9 0.0 1.6
08/13/2015 6 Acceptable 0.0 0.0 0.9 0.0 0.9
07/09/2015 15 Acceptable 0.0 0.0 0.1 0.0 0.1
06/12/2015 7 Acceptable 0.0 0.0 0.0 0.3 0.3
05/13/2015 17 Acceptable 0.0 0.0 0.0 0.0 0.0
10/14/2014 59 Acceptable 0.0 0.0 0.0 0.1 0.1
09/09/2014 11 Acceptable 0.0 0.0 0.0 0.1 0.1
08/13/2014 122 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/09/2014 15 Acceptable 0.0 0.1 0.2 0.0 0.3
06/14/2014 124 Beach Advisory 0.0 0.1 0.0 0.1 0.2
05/14/2014 12 Acceptable 0.0 0.0 0.0 0.0 0.0
10/18/2013 34 Acceptable 0.0 0.0 0.0 0.0 0.0
09/20/2013 7 Acceptable 0.0 0.0 0.0 0.0 0.0
08/17/2013 9 Acceptable 0.0 0.0 0.0 0.0 0.0
07/19/2013 199 Beach Advisory 0.0 0.1 0.0 0.0 0.1
06/22/2013 12 Acceptable 0.0 0.0 0.0 0.0 0.0
06/02/2013 3 Acceptable 0.0 0.0 0.0 0.0 0.0
10/14/2012 38 Acceptable 0.0 0.0 0.0 0.0 0.0
09/13/2012 56 Acceptable 0.0 0.0 0.0 0.0 0.0
08/15/2012 15 Acceptable 0.3 0.1 0.0 0.0 0.4
07/19/2012 18 Acceptable 0.0 0.2 0.0 0.0 0.2
06/14/2012 10 Acceptable 0.0 0.2 0.3 0.0 0.5
05/18/2012 2 Acceptable 0.0 0.0 0.0 0.3 0.3
10/18/2011 25 Acceptable 0.0 0.0 0.1 0.0 0.1
09/17/2011 40 Acceptable 0.0 0.0 0.1 0.0 0.1
08/18/2011 21 Acceptable 0.1 0.0 0.1 0.6 0.8
07/17/2011 <1 Acceptable 0.0 0.0 0.0 0.0 0.0
06/29/2011 69 Beach Advisory 0.5 0.0 0.0 0.0 0.5
05/18/2011 99 Beach Advisory 0.9 0.8 0.1 0.3 2.1
10/15/2010 816 Beach Advisory 0.4 0.8 0.0 0.3 1.5
10/14/2010 56 Acceptable 0.0 0.0 0.3 0.1 0.4
09/13/2010 20 Acceptable 0.0 0.0 0.0 0.0 0.0
08/19/2010 48 Acceptable 0.0 0.0 0.0 1.0 1.0
07/20/2010 28 Acceptable 0.0 0.0 0.0 0.0 0.0
06/17/2010 50 Acceptable 0.0 0.0 0.0 0.0 0.0
05/23/2010 7 Acceptable 0.0 0.0 0.0 0.0 0.0
10/21/2009 107 Beach Advisory 0.0 0.0 0.0 0.2 0.2
09/16/2009 23 Acceptable 0.0 0.0 0.0 0.0 0.0
08/22/2009 8 Acceptable 0.3 0.3 0.0 0.0 0.6
08/03/2009 8 Acceptable 0.0 0.6 0.0 1.1 1.7
07/30/2009 12 Acceptable 0.0 0.3 0.0 0.2 0.5
06/09/2009 104 Beach Advisory 0.9 0.0 0.0 0.0 0.9
05/14/2009 6 Acceptable 0.1 0.0 0.0 0.0 0.1
10/22/2008 22 Acceptable 0.0 0.0 0.0 0.0 0.0
09/20/2008 3 Acceptable 0.0 0.0 0.0 0.0 0.0
08/06/2008 4 Acceptable 0.3 0.0 0.0 0.0 0.3
07/16/2008 1 Acceptable 0.0 0.0 0.6 0.0 0.6
06/17/2008 17 Acceptable 0.0 0.8 0.0 0.2 1.0
05/21/2008 3 Acceptable 0.0 0.0 0.0 0.1 0.1

Entero Count (fecal indicator) and Rainfall Correlation

57 Samples taken

All Water Quality Parameters

57 Samples taken

Sample Date [i] Entero Count

Entero Count

Enterococcus (“Entero”) is a fecal indicating bacterium that lives in the intestines of humans and other warm-blooded animals. It is the EPA preferred indicator for sewage contamination.

Quality [i] Temp (f)

Temperature

Hudson River water temperature changes seasonally. Surface water temperature can change on small scales in the river reflecting natural and human influences.

[i] Salinity

Salinity

Estuaries like the Hudson are where freshwaters in rivers meet the sea. Salinity tells us about the relative contribution of fresh and salt water within a particular region of the estuary. 

[i] Chlorophyll

Chlorophyll

A measure of the amount of microscopic algae present in the water. High chlorophyll counts can mean high levels of the nutrients phosphorus and nitrogen, and the threat, or presence, of algae blooms.

[i] Turbidity

Turbidity

Turbidity is a measure of the amount of fine particles suspended in the water. As turbidity rises, light penetration, a key factor for aquatic plants and algae, diminishes.

[i] Oxygen

Oxygen

Oxygen concentrations in the water are closely connected to biological activities. Surface waters are typically in equilibrium with the atmosphere such that the oxygen concentration near the surface is close to fully saturated (100%).

Sort Sort Sort Sort Sort Sort Sort Sort
04/06/2017 15 Acceptable 42.9 0.1 1.9 29.6 100.1
10/16/2016 12 Acceptable
09/15/2016 16 Acceptable 78.4 1.7 3.6 n/a 100.9
08/16/2016 25 Acceptable 83.9 0.3 6.8 34.6 112.5
07/14/2016 6 Acceptable 78.8 0.4 6 14.8 98.5
06/16/2016 8 Acceptable 71.3 0.1 6.2 23.7 99.8
05/21/2016 1 Acceptable 61.3 0.1 5.4 35.2 124.5
10/13/2015 33 Acceptable 66.6 0.6 5.2 25 96
09/12/2015 31 Acceptable 78.7 1.1 5.5 20 90
08/13/2015 6 Acceptable 80.1 0.5 4.8 14 97
07/09/2015 15 Acceptable 76.2 0.1 3.8 20 91
06/12/2015 7 Acceptable 72.3 0.1 5.2 14 94
05/13/2015 17 Acceptable 60.9 0.1 5.9 38 n/a
10/14/2014 59 Acceptable 67.8 0.7 1.3 29 96
09/09/2014 11 Acceptable 75.5 0.2 4.1 21 91
08/13/2014 122 Beach Advisory 77.9 0.2 6.4 16 94
07/09/2014 15 Acceptable 78.5 0.1 5.5 28 94
06/14/2014 124 Beach Advisory 70.8 0.2 6.4 36 93
05/14/2014 12 Acceptable 60.1 0.1 5.7 35 105
10/18/2013 34 Acceptable 65.9 0.7 3.4 35 95
09/20/2013 7 Acceptable 73.3 0.1 4.8 28 104
08/17/2013 9 Acceptable 79.9 0.1 3.4 81 93
07/19/2013 199 Beach Advisory n/a n/a n/a n/a n/a
06/22/2013 12 Acceptable 67.4 0.1 7.5 45 99
06/02/2013 3 Acceptable 69.4 0.1 7.2 25 103
10/14/2012 38 Acceptable 62.3 0.2 4.2 15 91
09/13/2012 56 Acceptable 79 0.7 5.8 93 106
08/15/2012 15 Acceptable 81.1 0.4 3.9 24 99
07/19/2012 18 Acceptable 82.7 0.6 3.5 15 95
06/14/2012 10 Acceptable 74.9 0.1 1.7 29 95
05/18/2012 2 Acceptable 64.5 0.1 2.3 19 101
10/18/2011 25 Acceptable 60.9 0.1 1.8 98 90
09/17/2011 40 Acceptable 66.5 0.1 1.4 227 85
08/18/2011 21 Acceptable 80 0.2 2.1 78 86
07/17/2011 <1 Acceptable 80 0.1 n/a 19 n/a
06/29/2011 69 Beach Advisory 77.4 0.1 6.3 37 109
05/18/2011 99 Beach Advisory n/a n/a n/a n/a n/a
10/15/2010 816 Beach Advisory 59.5 0.1 5.1 44 83
10/14/2010 56 Acceptable 61 0.1 4.8 31 83
09/13/2010 20 Acceptable 74.2 0.3 7.1 14 90
08/19/2010 48 Acceptable 81.9 0.5 11.1 14 108
07/20/2010 28 Acceptable 82.5 0.8 6.7 11 92
06/17/2010 50 Acceptable 72.1 0.2 6.8 87 87
05/23/2010 7 Acceptable 65.3 0.1 5.4 23 100
10/21/2009 107 Beach Advisory 58.6 0.1 2.8 17 90
09/16/2009 23 Acceptable 72.4 0.2 3.4 23 89
08/22/2009 8 Acceptable 79.6 0.1 3.6 19 84
08/03/2009 8 Acceptable n/a n/a n/a n/a n/a
07/30/2009 12 Acceptable 80.3 0.1 3 18 104
06/09/2009 104 Beach Advisory n/a n/a n/a n/a n/a
05/14/2009 6 Acceptable 60.3 0.1 7.9 28 109
10/22/2008 22 Acceptable 60.7 0.6 2.5 12 90
09/20/2008 3 Acceptable n/a n/a n/a n/a n/a
08/06/2008 4 Acceptable n/a n/a n/a n/a n/a
07/16/2008 1 Acceptable 79.3 0.2 3.2 15 105
06/17/2008 17 Acceptable n/a n/a n/a n/a n/a
05/21/2008 3 Acceptable 56.3 0.1 3.4 35 97

Water Quality*

Acceptable (0–60) Beach Advisory (61+)

*Single sample thresholds;
Enterococcus count per 100mL

Prior Four Day Rainfall
(in inches)

Dry Weather (0–0.25) Wet Weather (0.25+)

Enterococcus is an EPA-approved fecal contamination indicator.

Samples taken by Riverkeeper, Lamont-Doherty Earth Observatory and CUNY Queens College staff, and processed on the Riverkeeper vessel, according to the 2014 Quality Assurance Project Plan.

Rainfall data comes from wunderground.com. Wet weather is a common trigger of fecal contamination.

What do the Numbers Mean?

Water Quality scoring is based on the 2012 Recreational Water Quality Criteria from the US Environmental Protection Agency (EPA) for safe swimming. Learn More

About this location:

Beacon, NY
The Beacon Harbor sampling site has recreational boating, kayaking, and fishing. There is a seasonal public “river pool” to the north, and a storm drain overflow in the vicinity.

Agencies Responsible:

Dutchess County Dept. of Health: 845-486-3400 and NYSDEC Region 3: 845-256-3000

2017 Fishermen's Ball
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