Water Quality > Tributary and Waterfront Data > New York City Waterfront > Long Island City- East River, Gantry State Park dock

Long Island City- East River, Gantry State Park dock

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

66 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
SortSortSortSortSortSortSortSort
09/28/201710Acceptable0.00.00.00.00.0
09/14/2017<10Acceptable0.00.10.00.00.1
09/07/2017<10Acceptable0.00.40.00.00.4
08/31/2017<10Acceptable0.00.00.30.00.3
08/17/2017<10Acceptable0.00.00.50.00.5
08/10/2017<10Acceptable0.00.00.00.80.8
08/03/201720Acceptable0.00.10.00.00.1
07/27/201720Acceptable0.00.00.00.70.7
07/20/2017<10Acceptable0.00.00.00.00.0
07/13/2017<10Acceptable0.00.00.00.00.0
07/06/2017<10Acceptable0.00.00.00.50.5
06/29/2017<10Acceptable0.00.00.20.00.2
06/22/201720Acceptable0.00.00.01.41.4
06/01/2017109Beach Advisory0.00.00.10.10.2
05/25/2017>24196Beach Advisory0.80.00.00.00.8
05/18/2017<10Acceptable0.00.00.00.00.0
09/15/201697Beach Advisory0.00.60.00.00.6
09/08/201697Beach Advisory0.00.00.00.00.0
09/01/201610Acceptable0.50.00.00.00.5
08/25/2016<10Acceptable0.00.00.00.00.0
08/11/2016<10Acceptable0.20.10.00.00.2
08/04/2016<10Acceptable0.00.00.00.00.0
07/28/201641Acceptable0.00.00.01.01.0
07/21/2016<10Acceptable0.00.00.00.40.4
07/14/2016<10Acceptable0.60.00.00.00.6
07/07/2016<10Acceptable0.00.00.70.51.2
06/30/2016<10Acceptable0.00.00.10.50.6
06/23/2016<10Acceptable0.00.00.00.00.0
06/09/201663Beach Advisory0.00.50.00.91.4
06/02/2016<10Acceptable0.00.00.01.71.7
05/26/2016<10Acceptable0.00.00.20.00.2
05/19/201684Beach Advisory0.00.00.00.00.0
10/01/2015295Beach Advisory0.11.30.10.01.5
09/24/201541Acceptable0.00.00.00.00.0
09/17/201575Beach Advisory0.00.00.00.00.0
09/10/2015350Beach Advisory1.60.00.00.01.6
09/03/201563Beach Advisory0.00.00.00.00.0
08/27/2015832Beach Advisory0.00.00.00.00.0
08/13/201552Acceptable0.00.01.20.01.2
08/06/201541Acceptable0.00.00.40.00.4
07/30/201531Acceptable2.00.00.00.42.3
07/23/201531Acceptable0.00.30.00.00.3
07/16/201510Acceptable0.00.10.40.00.5
06/25/201585Beach Advisory0.00.00.00.00.0
06/18/201552Acceptable0.00.00.30.60.8
06/11/201520Acceptable0.00.00.00.10.1
06/04/201541Acceptable0.00.00.40.71.1
05/28/2015<10Acceptable0.00.10.00.00.1
10/02/201420Acceptable0.00.00.00.00.0
09/25/201410Acceptable0.30.00.00.00.3
09/18/201420Acceptable0.00.00.40.00.4
09/11/201420Acceptable0.00.00.00.00.0
09/04/201431Acceptable0.00.00.00.00.0
08/28/2014<10Acceptable0.00.00.00.00.0
08/14/2014687Beach Advisory0.00.50.20.00.7
08/07/201498Beach Advisory0.00.00.00.00.0
07/31/201420Acceptable0.00.00.00.20.2
07/24/201431Acceptable0.00.20.00.00.2
07/17/201473Beach Advisory0.00.01.30.51.8
07/10/201420Acceptable0.10.40.00.00.5
07/02/201452Acceptable1.00.00.00.01.0
06/26/2014<10Acceptable0.10.10.00.00.2
06/19/201475Beach Advisory0.20.00.00.00.2
06/12/201431Acceptable0.10.00.01.61.7
06/05/201441Acceptable0.90.00.10.01.0
05/29/201420Acceptable0.00.00.00.00.0

Entero Count (fecal indicator) and Rainfall Correlation

66 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:

This cobble beach next to Valentino Pier is the home base of the Red Hook Boaters, who offer free public kayaking on weekends in season. It is also a launch site on the NYC Water Trail. Site Coordinator: Josh Vogel. Site Sponsor: Red Hook Boaters. These samples are processed by The River Project.

Agencies Responsible:

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

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