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

43 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
10/27/20183873Beach Advisory0.
09/15/201874Beach Advisory0.
08/18/20189804Beach Advisory0.
06/16/2018980Beach Advisory0.
05/19/20182420Beach Advisory0.
10/21/2017649Beach Advisory0.
09/16/2017727Beach Advisory0.
08/19/2017914Beach Advisory0.
07/15/20172420Beach Advisory0.
06/17/2017260Beach Advisory0.
05/20/2017133Beach Advisory0.
10/08/2016579Beach Advisory0.
09/10/2016548Beach Advisory0.
08/13/20161120Beach Advisory0.
07/09/2016344Beach Advisory0.
06/11/2016435Beach Advisory0.
05/14/201686Beach Advisory0.
10/03/2015>2420Beach Advisory0.
09/05/2015411Beach Advisory0.
08/01/2015192Beach Advisory0.
07/04/2015206Beach Advisory0.
06/06/2015276Beach Advisory0.
10/04/20142420Beach Advisory0.
09/06/2014222Beach Advisory0.
08/02/2014>2420Beach Advisory0.
07/05/2014816Beach Advisory0.
06/07/2014285Beach Advisory0.
05/03/201469Beach Advisory0.
10/12/201375Beach Advisory0.
09/14/2013313Beach Advisory0.
08/10/2013866Beach Advisory0.
07/13/2013276Beach Advisory0.
06/15/2013260Beach Advisory0.
10/06/2012222Beach Advisory0.
09/08/2012>2420Beach Advisory1.
08/04/2012183Beach Advisory0.
07/14/2012173Beach Advisory0.
06/02/2012>2420Beach Advisory0.
06/12/2010548Beach Advisory0.

Entero Count (fecal indicator) and Rainfall Correlation

43 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

Keep the Hudson River flowing!
Become a Member