Water Quality > Tributary and Waterfront Data > Pocantico River > Briarcliff Manor- North County Trail

Briarcliff Manor- North County Trail

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

33 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
05/20/2017 133 Beach Advisory 0.0 0.0 0.0 0.0 0.0
10/08/2016 579 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/10/2016 548 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/13/2016 1120 Beach Advisory 0.0 0.4 0.0 0.4 0.8
07/09/2016 344 Beach Advisory 0.0 0.0 0.4 0.0 0.4
06/11/2016 435 Beach Advisory 0.0 0.0 0.0 0.3 0.3
05/14/2016 86 Beach Advisory 0.0 0.2 0.0 0.0 0.2
10/03/2015 >2420 Beach Advisory 0.4 0.5 0.1 1.3 2.2
09/05/2015 411 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/01/2015 192 Beach Advisory 0.0 0.0 0.7 0.0 0.7
07/04/2015 206 Beach Advisory 0.0 0.0 0.0 0.6 0.6
06/06/2015 276 Beach Advisory 0.1 0.0 0.0 0.0 0.1
05/02/2015 36 Acceptable 0.0 0.0 0.0 0.0 0.0
10/04/2014 2420 Beach Advisory 0.8 0.0 0.0 0.0 0.8
09/06/2014 222 Beach Advisory 0.1 0.0 0.0 0.0 0.1
08/02/2014 >2420 Beach Advisory 0.2 0.2 0.0 0.0 0.4
07/05/2014 816 Beach Advisory 0.0 0.1 1.4 1.5 3.0
06/07/2014 285 Beach Advisory 0.0 0.0 0.5 0.2 0.6
05/03/2014 69 Beach Advisory 0.0 0.0 0.3 1.4 1.7
10/12/2013 75 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/14/2013 313 Beach Advisory 0.0 0.1 1.7 0.0 1.8
08/10/2013 866 Beach Advisory 0.0 0.3 0.1 0.0 0.4
07/13/2013 276 Beach Advisory 0.0 0.1 0.0 0.2 0.4
06/15/2013 260 Beach Advisory 0.0 0.3 0.7 0.0 1.0
05/04/2013 24 Acceptable 0.0 0.0 0.0 0.0 0.0
10/06/2012 222 Beach Advisory 0.0 0.0 1.2 0.3 1.5
09/08/2012 >2420 Beach Advisory 1.5 0.0 0.0 0.5 2.0
08/04/2012 183 Beach Advisory 0.0 0.0 0.0 0.1 0.1
07/14/2012 173 Beach Advisory 0.1 0.0 0.0 0.0 0.1
06/02/2012 >2420 Beach Advisory 0.9 0.0 0.0 0.0 1.0
05/12/2012 60 Acceptable 0.0 0.0 0.3 0.7 1.0
11/06/2011 25 Acceptable 0.0 0.0 0.0 0.0 0.0
06/12/2010 548 Beach Advisory 0.0 0.0 0.0 0.1 0.1

Entero Count (fecal indicator) and Rainfall Correlation

33 Samples taken

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 citizen scientists trained by Riverkeeper, 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:

This sampling site is in the Village of Briarcliff Manor, behind the town library and adjacent to town playing fields. It is alongside the North County Trail, a bike route that spans the entire length of Westchester County.

Agencies Responsible:

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

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