Water Quality > Tributary and Waterfront Data > New York City Waterfront > Bronx River- Hunts Point Riverside Park

Bronx River- Hunts Point Riverside Park

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

6 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
09/09/2021 Acceptable 0.3 0.0 0.0 0.0 0.3
08/19/2021 489 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/05/2021 175 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/08/2021 355 Beach Advisory 0.0 0.0 0.6 0.0 0.6
06/24/2021 <10 Acceptable 0.0 0.0 0.2 0.0 0.2
06/10/2021 2410 Beach Advisory 0.0 0.0 0.5 0.1 0.6

Entero Count (fecal indicator) and Rainfall Correlation

6 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

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