Norrie Point Yacht Basin

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

60 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.

QualityRain, day of (in)Prior Day2 Days Prior3 Days Prior Rain4 Days Total Rain
SortSortSortSortSortSortSortSort
10/18/20177Acceptable0.00.00.00.00.0
09/13/201732Acceptable0.00.00.00.00.0
08/16/201751Acceptable0.00.10.00.00.1
07/12/201712Acceptable0.00.20.00.00.2
06/14/2017141Beach Advisory0.00.40.00.00.4
05/17/20172Acceptable0.00.00.00.10.1
10/17/20164Acceptable0.00.00.00.00.0
09/16/201629Acceptable0.00.00.00.00.0
08/17/2016117Beach Advisory0.10.10.00.10.3
07/15/201635Acceptable0.00.00.00.00.0
06/17/201626Acceptable0.00.00.00.00.0
05/22/20163Acceptable0.00.00.00.00.0
10/14/201523Acceptable0.00.00.00.00.0
09/13/2015613Beach Advisory0.10.60.10.91.7
08/14/20156Acceptable0.00.00.00.90.9
07/10/201524Acceptable0.00.10.00.10.2
06/12/201554Acceptable0.00.00.00.30.3
05/13/20153Acceptable0.00.00.00.00.0
10/15/20145Acceptable0.00.00.00.00.0
09/09/2014548Beach Advisory0.00.00.00.10.1
08/13/201420Acceptable0.00.00.00.00.0
07/09/201421Acceptable0.00.10.20.00.3
06/14/2014299Beach Advisory0.00.10.00.10.2
05/14/20146Acceptable0.00.00.00.00.0
10/19/20135Acceptable0.00.00.00.00.0
09/20/201329Acceptable0.00.00.00.00.0
08/18/20139Acceptable0.00.00.00.00.0
07/20/201351Acceptable0.00.00.10.00.1
06/22/201369Beach Advisory0.00.00.00.00.0
06/02/201311Acceptable0.00.00.00.00.0
10/14/20124Acceptable0.00.00.00.00.0
09/13/201217Acceptable0.00.00.00.00.0
08/16/201213Acceptable0.00.30.10.00.4
07/20/201233Acceptable0.40.00.20.00.6
06/14/201223Acceptable0.00.20.30.00.5
05/18/201228Acceptable0.00.00.00.30.3
10/18/2011132Beach Advisory0.00.00.10.00.1
09/17/201111Acceptable0.00.00.10.00.1
08/19/201135Acceptable0.00.10.00.10.2
07/16/20111Acceptable0.00.00.00.00.0
06/30/201136Acceptable0.00.50.00.00.5
05/18/2011>2420Beach Advisory0.90.80.10.32.1
10/15/2010345Beach Advisory0.40.80.00.31.5
09/13/201047Acceptable0.00.00.00.00.0
08/20/201020Acceptable0.00.00.00.00.0
07/20/201014Acceptable0.00.00.00.00.0
06/17/201032Acceptable0.00.00.00.00.0
05/24/20109Acceptable0.00.00.00.00.0
10/22/20092Acceptable0.00.00.00.00.0
09/16/20093Acceptable0.00.00.00.00.0
08/23/2009921Beach Advisory0.00.30.30.00.6
07/30/2009122Beach Advisory0.00.30.00.20.5
06/10/200926Acceptable0.00.90.00.00.9
05/14/20096Acceptable0.10.00.00.00.1
10/22/20086Acceptable0.00.00.00.00.0
09/15/20083Acceptable0.00.20.10.40.7
08/07/200825Acceptable0.00.30.00.00.3
07/16/20083Acceptable0.00.00.60.00.6
06/17/2008119Beach Advisory0.00.20.00.10.3
05/21/20087Acceptable0.00.00.00.10.1

Entero Count (fecal indicator) and Rainfall Correlation

60 Samples taken

All Water Quality Parameters

60 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%).

SortSortSortSortSortSortSortSort
10/18/20177Acceptable64.80.12.34.883.2
09/13/201732Acceptable69.50.15.56.286.9
08/16/201751Acceptable76.10.177.397
07/12/201712Acceptable76.20.13.418.478.0
06/14/2017141Beach Advisory67.40.16996.3
05/17/20172Acceptable56.50.12.811.798.9
10/17/20164Acceptable630.14.62790
09/16/201629Acceptable72.90.13.2n/a79
08/17/2016117Beach Advisory80.70.13.21782
07/15/201635Acceptable77.90.15.3580
06/17/201626Acceptable720.13.72190
05/22/20163Acceptable60.50.12.821102
10/14/201523Acceptable61.50.14.72283
09/13/2015613Beach Advisory77.10.14.2884
08/14/20156Acceptable76.60.14.2387
07/10/201524Acceptable73.30.12.81179
06/12/201554Acceptable75.60.23n/a110
05/13/20153Acceptable63.20.13.828111
10/15/20145Acceptable64.80.13.22090
09/09/2014548Beach Advisory76.20.13.71490
08/13/201420Acceptable78.20.12.51686
07/09/201421Acceptable78.60.132196
06/14/2014299Beach Advisory72.30.14.320103
05/14/20146Acceptable62.60.1518111
10/19/20135Acceptable640.13.12997
09/20/201329Acceptable72.70.14.6n/a96
08/18/20139Acceptable74.90.12.72082
07/20/201351Acceptable81.90.12.83472
06/22/201369Beach Advisory72.10.12.775101
06/02/201311Acceptable68.60.18.237108
10/14/20124Acceptable61.10.12.32687
09/13/201217Acceptable77.50.14.680103
08/16/201213Acceptable83.10.21.89104
07/20/201233Acceptable80.10.12.21684
06/14/201223Acceptable74.40.221997
05/18/201228Acceptable67.30.13.14597
10/18/2011132Beach Advisory59.50.10.58590
09/17/201111Acceptable68.30.11.314586
08/19/201135Acceptable78.40.14.750101
07/16/20111Acceptable81.20.13.512n/a
06/30/201136Acceptable74.50.13.81793
05/18/2011>2420Beach Advisoryn/an/an/an/an/a
10/15/2010345Beach Advisory57.80.132484
09/13/201047Acceptable73.60.171889
08/20/201020Acceptable79.10.17.4989
07/20/201014Acceptable81.40.13.1678
06/17/201032Acceptable730.17.21689
05/24/20109Acceptable64.70.141495
10/22/20092Acceptable54.70.11.23193
09/16/20093Acceptable71.10.141199
08/23/2009921Beach Advisory79.80.14.11794
07/30/2009122Beach Advisory79.30.14.720113
06/10/200926Acceptablen/an/an/an/an/a
05/14/20096Acceptable620.11017112
10/22/20086Acceptable57.40.17.19101
09/15/20083Acceptablen/an/an/an/an/a
08/07/200825Acceptablen/an/an/an/an/a
07/16/20083Acceptable81.30.12.7112106
06/17/2008119Beach Advisoryn/an/an/an/an/a
05/21/20087Acceptable58.40.12.93297

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:

Staatsburg, NY
The yacht basin is located at the mouth of a small tributary. There is boating, kayaking and fishing.

Agencies Responsible:

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

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