Rosendale Trestle

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
10/13/2018>2420Beach Advisory0.
09/08/2018276Beach Advisory0.
08/11/2018816Beach Advisory0.
07/14/2018291Beach Advisory0.
06/09/2018173Beach Advisory0.
05/12/201872Beach Advisory0.
10/14/2017166Beach Advisory0.
09/09/2017411Beach Advisory0.
08/12/20171986Beach Advisory0.
07/08/2017397Beach Advisory0.
06/10/2017107Beach Advisory0.
09/17/2016111Beach Advisory0.
08/20/2016260Beach Advisory0.
07/16/2016548Beach Advisory0.
06/18/2016687Beach Advisory0.
10/31/2015206Beach Advisory0.
09/26/2015126Beach Advisory0.
07/25/2015345Beach Advisory0.
06/27/201593Beach Advisory0.
09/27/2014148Beach Advisory0.
08/30/2014144Beach Advisory0.
07/26/2014152Beach Advisory0.
06/28/2014285Beach Advisory0.
05/31/2014248Beach Advisory0.
09/28/2013649Beach Advisory0.
08/24/2013272Beach Advisory0.
07/27/2013517Beach Advisory0.
06/29/2013>2420Beach Advisory0.
06/08/2013>2420Beach Advisory0.
10/27/20121046Beach Advisory0.
09/29/2012839Beach Advisory0.
09/01/201296Beach Advisory0.
07/28/2012411Beach 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 in the shadow of the Rosendale Trestle, which carries the Wallkill Valley Rail Trail over Rondout Creek.

Agencies Responsible:

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

Keep the Hudson River flowing!
Become a Member