Rosendale- AJ Snyder Field

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

42 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
10/13/20182420Beach Advisory0.
09/08/2018488Beach Advisory0.
08/11/2018>2420Beach Advisory0.
07/14/2018208Beach Advisory0.
06/09/2018397Beach Advisory0.
05/12/201868Beach Advisory0.
10/14/2017166Beach Advisory0.
09/09/2017613Beach Advisory0.
08/12/2017>2420Beach Advisory0.
07/08/201765Beach Advisory0.
06/10/2017173Beach Advisory0.
09/17/2016184Beach Advisory0.
08/20/2016387Beach Advisory0.
07/16/2016921Beach Advisory0.
06/18/2016416Beach Advisory0.
10/31/2015308Beach Advisory0.
08/29/201582Beach Advisory0.
07/25/2015206Beach Advisory0.
06/27/201584Beach Advisory0.
05/30/2015150Beach Advisory0.
09/27/2014178Beach Advisory0.
08/30/2014>2420Beach Advisory0.
07/26/2014272Beach Advisory0.
06/28/2014365Beach Advisory0.
05/31/2014210Beach Advisory0.
09/28/20131986Beach Advisory0.
08/24/2013365Beach Advisory0.
07/27/2013214Beach Advisory0.
06/29/2013>2420Beach Advisory0.
06/08/2013>2420Beach Advisory0.
10/27/2012185Beach Advisory0.
09/29/2012670Beach Advisory0.
07/28/20121300Beach Advisory0.
06/30/201261Beach Advisory0.

Entero Count (fecal indicator) and Rainfall Correlation

42 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 is located near the AJ Snyder Little League fields in Rosendale, although the Little League fields and parking are not open to the public for use to access the creek. Coxing Kill, which has its headwaters in Minnewaska State Park, joins the Rondout on the opposite side of the creek near this site.

Agencies Responsible:

Ulster County Dept. of Health: 845-340-3010; NYSDEC Region 3: 845-256-3000

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