Water Quality > Tributary and Waterfront Data > Pocantico River > Briarcliff Manor- Caney Brook tributary

Briarcliff Manor- Caney Brook tributary

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

21 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
10/27/201824196Beach Advisory0.
09/15/2018295Beach Advisory0.
08/18/201824196Beach Advisory0.
06/16/20181414Beach Advisory0.
05/19/20182420Beach Advisory0.
10/21/2017345Beach Advisory0.
09/16/20171414Beach Advisory0.
08/19/20172420Beach Advisory0.
07/15/20172420Beach Advisory0.
06/17/2017613Beach Advisory0.
05/20/201786Beach Advisory0.
09/10/20161300Beach Advisory0.
08/13/2016>2420Beach Advisory0.
07/09/20161046Beach Advisory0.
06/11/2016866Beach Advisory0.
05/14/2016250Beach Advisory0.
10/03/2015>2420Beach Advisory0.
09/05/20151120Beach Advisory0.
08/01/20151414Beach Advisory0.
07/04/20151203Beach Advisory0.

Entero Count (fecal indicator) and Rainfall Correlation

21 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 subtributary site is located about 3/4 mile up Caney Brook, which drains a residential section of Briarcliff Manor and joins the Pocantico River at the northern end of Pocantico Lake.

Agencies Responsible:

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

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