Napanoch- Route 209

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

41 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
10/13/20181203Beach Advisory0.
09/08/2018>2420Beach Advisory0.
08/11/20181414Beach Advisory0.
07/14/2018548Beach Advisory0.
05/12/201896Beach Advisory0.
10/14/2017206Beach Advisory0.
09/09/2017152Beach Advisory0.
08/12/2017>2420Beach Advisory1.
07/08/2017921Beach Advisory0.
05/13/201780Beach Advisory0.
10/15/2016128Beach Advisory0.
07/16/20161046Beach Advisory0.
06/18/2016454Beach Advisory0.
05/21/201669Beach Advisory0.
09/26/2015110Beach Advisory0.
08/29/201579Beach Advisory0.
07/25/2015313Beach Advisory0.
08/30/2014344Beach Advisory0.
07/26/20141986Beach Advisory0.
06/28/20142420Beach Advisory0.
10/26/2013548Beach Advisory0.
09/28/2013980Beach Advisory0.
08/24/201366Beach Advisory0.
07/27/2013435Beach Advisory0.
06/29/2013>2420Beach Advisory0.
06/08/20131046Beach Advisory0.
09/29/2012295Beach Advisory0.
07/28/2012659Beach Advisory1.
06/30/2012211Beach Advisory0.

Entero Count (fecal indicator) and Rainfall Correlation

41 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 about one mile downstream of Honk Lake and a half-mile downstream of an old mill site. Downstream of here, Sandburg Creek flows into the Rondout and the Creek makes sharp turn toward the northeast.

Agencies Responsible:

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

Keep the Hudson River flowing!
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