Westchester Creek- Inner

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

26 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
10/09/2018 52 Acceptable 0.0 0.0 0.0 0.0 0.0
09/19/2018 17329 Beach Advisory 0.0 2.0 0.0 0.0 2.0
09/14/2018 110 Beach Advisory 0.0 0.1 0.1 0.0 0.3
08/17/2018 345 Beach Advisory 0.6 0.0 0.0 0.6 1.2
07/31/2018 20 Acceptable 0.0 0.0 0.0 0.0 0.0
06/26/2018 175 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/25/2018 98 Beach Advisory 0.0 0.0 0.0 0.1 0.1
06/08/2018 2,247 Acceptable 0.0 0.0 0.0 0.0 0.0
05/30/2018 20 Acceptable 0.0 0.0 0.0 0.5 0.5
10/09/2017 1860 Beach Advisory 0.1 0.2 0.0 0.0 0.3
09/27/2017 1616 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/15/2017 41 Acceptable 0.0 0.0 0.0 0.0 0.0
08/09/2017 865 Beach Advisory 0.0 0.0 0.4 0.0 0.4
07/25/2017 1785 Beach Advisory 0.0 0.9 0.1 0.5 1.5
07/20/2017 805 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/26/2017 987 Beach Advisory 0.0 0.0 1.3 0.0 1.3
06/23/2017 8664 Beach Advisory 0.0 0.0 0.0 0.0 0.1
06/06/2017 934 Beach Advisory 0.1 0.0 0.1 0.0 0.2
05/10/2017 20 Acceptable 0.0 0.0 0.0 0.0 0.0
11/03/2016 171 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/10/2016 >24196 Beach Advisory 0.0 0.2 0.0 0.0 0.2
08/11/2016 86 Beach Advisory 0.0 0.1 0.0 0.0 0.1
08/02/2016 383 Beach Advisory 0.0 1.0 1.1 0.3 2.3
07/27/2016 75 Beach Advisory 0.0 0.0 0.8 0.0 0.8
07/25/2016 <10 Acceptable 0.0 0.0 0.0 0.0 0.0
07/07/2016 209 Beach Advisory 0.0 0.0 0.6 0.5 1.1

Entero Count (fecal indicator) and Rainfall Correlation

26 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 and processed at laboratories that aren't directly affiliated with Riverkeeper, using methods and study designs that are consistent with Riverkeeper's Hudson River and Citizen Testing programs.

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:

The head of navigation on Westchester Creek is near a high school, is marked by a Combined Sewer Overflow (CSO) outfall and is frequently visited by shorebirds.

Agencies Responsible:

NYCDEP: 212-639-9675; NYSDEC Region 2: 718-482-4933

Keep the Hudson River flowing!
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