Water Quality
Water Quality > East River > Flushing Bay- Inner Bay mouth

Flushing Bay- Inner Bay mouth

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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

34 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
10/25/2019 41 Acceptable 0.0 0.0 0.2 0.4 0.6
09/13/2019 <10 Acceptable 0.0 0.0 0.0 0.0 0.0
08/08/2019 >24196 Beach Advisory 0.0 1.0 0.0 0.0 1.1
07/19/2019 379 Beach Advisory 0.0 0.3 0.5 0.0 0.8
06/27/2019 <10 Acceptable 0.0 0.0 0.2 0.0 0.2
05/22/2019 <10 Acceptable 0.0 0.0 0.0 0.0 0.0
10/09/2018 10 Acceptable 0.0 0.0 0.0 0.0 0.0
09/19/2018 3325 Beach Advisory 0.0 2.0 0.0 0.0 2.0
09/14/2018 <10 Acceptable 0.0 0.1 0.1 0.0 0.3
08/17/2018 <10 Acceptable 0.6 0.0 0.0 0.6 1.2
07/31/2018 <10 Acceptable 0.0 0.0 0.0 0.0 0.0
07/26/2018 238 Beach Advisory 0.0 0.8 0.0 0.1 0.9
06/26/2018 10 Acceptable 0.0 0.0 0.0 0.0 0.0
06/25/2018 <10 Acceptable 0.0 0.0 0.0 0.1 0.1
06/08/2018 41 Acceptable 0.0 0.0 0.0 0.0 0.0
05/30/2018 <10 Acceptable 0.0 0.0 0.0 0.5 0.5
10/09/2017 52 Acceptable 0.1 0.4 0.0 0.0 0.4
09/27/2017 <10 Acceptable 0.0 0.0 0.0 0.0 0.0
09/15/2017 97 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/26/2017 <10 Acceptable 0.0 0.0 0.0 0.0 0.0
08/09/2017 119 Beach Advisory 0.0 0.0 0.4 0.0 0.4
07/25/2017 3436 Beach Advisory 0.0 0.9 0.1 0.5 1.5
07/20/2017 <10 Acceptable 0.0 0.0 0.0 0.0 0.0
06/26/2017 93 Beach Advisory 0.0 0.0 0.0 0.0 0.1
06/23/2017 8664 Beach Advisory 0.0 0.0 0.0 0.0 0.1
06/06/2017 216 Beach Advisory 0.1 0.0 0.1 0.0 0.2
05/10/2017 <10 Acceptable 0.0 0.0 0.0 0.0 0.0
11/03/2016 <10 Acceptable 0.0 0.0 0.0 0.0 0.0
09/10/2016 10 Acceptable 0.0 0.1 0.0 0.0 0.1
08/11/2016 <10 Acceptable 0.0 0.1 0.0 0.0 0.1
08/02/2016 <10 Acceptable 0.0 0.0 0.6 0.2 0.8
07/27/2016 <10 Acceptable 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 <10 Acceptable 0.0 0.0 0.6 0.5 1.1

Entero Count (fecal indicator) and Rainfall Correlation

34 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:

In the midpoint of outer and inner flushing bay, this sample site is situated near Williamsburg Yacht Club, in the vicinity of the eastern edge of La Guardia Airport.

Agencies Responsible:

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