Water Quality > Tributary and Waterfront Data > Rondout Creek > Kerhonkson- 42nd Street Bridge

Kerhonkson- 42nd Street Bridge

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
10/13/20181733Beach Advisory0.
09/08/2018>2420Beach Advisory0.
08/11/2018>2420Beach Advisory0.
07/14/2018261Beach Advisory0.
06/09/2018122Beach Advisory0.
05/12/2018132Beach Advisory0.
10/14/2017113Beach Advisory0.
09/09/20171203Beach Advisory0.
08/12/2017>2420Beach Advisory1.
07/08/2017285Beach Advisory0.
06/10/201782Beach Advisory0.
10/15/2016104Beach Advisory0.
08/20/2016108Beach Advisory0.
07/16/2016195Beach Advisory0.
06/18/2016172Beach Advisory0.
05/21/2016107Beach Advisory0.
10/31/2015186Beach Advisory0.
09/26/2015248Beach Advisory0.
07/25/2015308Beach Advisory0.
06/27/2015727Beach Advisory0.
05/30/2015186Beach Advisory0.
08/30/2014116Beach Advisory0.
07/26/2014435Beach Advisory0.
06/28/2014866Beach Advisory0.
05/31/2014117Beach Advisory0.
08/24/2013411Beach Advisory0.
07/27/2013365Beach Advisory0.
06/29/2013770Beach Advisory0.
06/08/2013>2420Beach Advisory0.
10/27/201299Beach Advisory0.
09/29/2012794Beach Advisory0.
09/01/2012121Beach Advisory0.
07/28/2012687Beach Advisory1.
05/26/201266Beach 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 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 site is located in the center of Kerhonkson.

Agencies Responsible:

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

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