Water Quality > Tributary and Waterfront Data > Bronx River > Yonkers- Bronx R Pkwy between McLean & Wakefield Aves

Yonkers- Bronx R Pkwy between McLean & Wakefield Aves

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

12 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
09/27/20186867Beach Advisory0.
08/30/2018961Beach Advisory0.
08/16/2018397Beach Advisory0.
08/02/2018722Beach Advisory0.
07/05/2018285Beach Advisory0.
06/21/2018279Beach Advisory0.
06/07/2018279Beach Advisory0.
05/24/2018169Beach Advisory0.
09/07/20171576Beach Advisory0.
08/10/201797Beach Advisory0.
07/13/2017183Beach Advisory0.
06/15/201774Beach Advisory0.

Entero Count (fecal indicator) and Rainfall Correlation

12 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

Agencies Responsible:

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

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