Orangeburg- Orangetown STP

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

44 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
10/27/20182595Beach Advisory0.
09/15/2018243Beach Advisory0.
08/18/2018>24196Beach Advisory0.
07/21/2018428Beach Advisory0.
06/16/20181553Beach Advisory0.
05/19/2018>2420Beach Advisory0.
10/21/2017393Beach Advisory0.
09/16/2017749Beach Advisory0.
08/19/201714136Beach Advisory0.
07/15/20172723Beach Advisory0.
06/17/20175475Beach Advisory0.
05/20/2017323Beach Advisory0.
10/08/2016>2420Beach Advisory0.
09/10/20162420Beach Advisory0.
08/13/2016>2420Beach Advisory0.
07/09/2016>2420Beach Advisory0.
06/11/20161553Beach Advisory0.
05/14/2016345Beach Advisory0.
10/03/2015>2420Beach Advisory0.
09/05/2015816Beach Advisory0.
08/01/2015649Beach Advisory0.
07/04/20151986Beach Advisory0.
06/06/2015>2420Beach Advisory0.
10/04/20141046Beach Advisory0.
09/06/2014816Beach Advisory0.
08/02/2014>2420Beach Advisory0.
07/05/2014>2420Beach Advisory0.
06/07/2014579Beach Advisory0.
05/03/2014120Beach Advisory0.
10/12/2013980Beach Advisory0.
09/14/2013>2420Beach Advisory0.
08/10/2013>2420Beach Advisory0.
07/13/2013>2420Beach Advisory0.
06/15/2013921Beach Advisory0.
10/06/20122420Beach Advisory0.
09/08/20121414Beach Advisory1.
08/04/2012866Beach Advisory0.
07/14/2012921Beach Advisory0.
06/02/2012>2420Beach Advisory0.
11/06/2011131Beach Advisory0.
09/03/2011613Beach Advisory0.
05/28/2011548Beach Advisory0.

Entero Count (fecal indicator) and Rainfall Correlation

44 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 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 site, accessed from the Joseph B. Clarke Rail Trail, is situated between two wastewater treatment plants that discharge to the Hudson River. Immediately upstream of this sampling point, the rail trail is surrounded by wetland.

Agencies Responsible:

Rockland County Dept. of Health: 845-364-2900; NYSDEC Region 3: 914-428-2505

Keep the Hudson River flowing!
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