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

Bronx River- Hunts Point Riverside Park

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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

28 Samples taken

Sample Date [i] Enterococcus Count
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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
09/21/2023 85 Beach Advisory 0.0 0.0 0.0 1.5 1.5
09/14/2023 31 Acceptable 0.0 0.3 0.0 1.2 1.6
09/07/2023 10 Acceptable 0.0 0.2 0.0 0.0 0.2
06/15/2023 4611 Beach Advisory 0.0 0.5 0.0 0.2 0.6
06/02/2023 63 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/18/2023 2310 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/15/2022 292 Beach Advisory 0.0 0.0 0.4 0.8 1.2
08/18/2022 437 Beach Advisory 0.0 0.3 0.0 0.0 0.3
08/04/2022 134 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/07/2022 373 Beach Advisory 0.0 0.0 0.1 0.0 0.1
06/23/2022 3255 Beach Advisory 0.0 0.0 0.1 0.0 0.1
06/09/2022 >24196 Beach Advisory 0.0 0.0 0.1 0.0 0.1
09/19/2019 63 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/19/2019 31 Acceptable 0.0 0.0 0.0 0.0 0.0
08/08/2019 1576 Beach Advisory 0.2 1.2 0.0 0.0 1.4
07/11/2019 120 Beach Advisory 0.8 0.0 0.0 0.0 0.8
06/27/2019 333 Beach Advisory 0.0 0.0 0.9 0.0 0.9
06/13/2019 221 Beach Advisory 0.0 0.0 0.5 0.6 1.1
05/30/2019 19863 Beach Advisory 0.0 0.8 0.2 0.0 1.0
09/27/2018 3255 Beach Advisory 0.0 0.2 2.0 0.0 2.2
09/13/2018 605 Beach Advisory 0.1 0.2 0.0 0.9 1.2
08/30/2018 <10 Acceptable 0.0 0.0 0.0 0.0 0.0
08/02/2018 2333 Beach Advisory 0.0 0.1 0.0 0.4 0.5
07/26/2018 3784 Beach Advisory 0.0 0.7 0.0 0.2 0.9
07/19/2018 8297 Beach Advisory 0.0 0.0 2.2 0.0 2.2
06/21/2018 >24196 Beach Advisory 0.0 0.1 0.1 0.1 0.2
06/07/2018 122 Beach Advisory 0.0 0.0 0.0 0.2 0.2
05/24/2018 20 Acceptable 0.0 0.3 0.3 0.0 0.6

Entero Count (fecal indicator) and Rainfall Correlation

28 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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