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Water Quality > Tributary and Waterfront Data > Esopus Creek > Marbletown- Little Beaver Kill source waters

Marbletown- Little Beaver Kill source waters

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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

28 Samples taken

Sample Date [i] Enterococcus Count
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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.

Quality Rain, day of (in) Prior Day 2 Days Prior 3 Days Prior Rain 4 Days Total Rain
Sort Sort Sort Sort Sort Sort Sort Sort
10/10/2019 27 Acceptable 0.0 0.0 0.1 0.7 0.8
09/12/2019 118 Beach Advisory 0.2 0.0 0.0 0.0 0.3
08/08/2019 35 Acceptable 0.0 0.2 0.2 0.0 0.5
07/11/2019 20 Acceptable 0.0 0.0 0.0 0.0 0.0
06/13/2019 40 Acceptable 0.1 0.0 0.2 1.0 1.2
05/09/2019 13 Acceptable 0.0 0.0 0.4 0.1 0.4
10/11/2018 10 Acceptable 0.0 0.0 0.0 0.1 0.1
09/06/2018 7 Acceptable 0.0 0.0 0.0 0.0 0.0
08/09/2018 69 Beach Advisory 0.0 0.9 0.0 0.0 0.9
07/12/2018 44 Acceptable 0.0 0.0 0.0 0.0 0.0
06/07/2018 4 Acceptable 0.0 0.0 0.0 0.3 0.3
05/10/2018 4 Acceptable 0.0 0.0 0.0 0.0 0.0
10/12/2017 33 Acceptable 0.0 0.0 0.0 0.7 0.7
09/07/2017 87 Beach Advisory 0.1 0.5 0.1 0.0 0.7
08/10/2017 164 Beach Advisory 0.0 0.0 0.1 0.2 0.3
07/06/2017 32 Acceptable 0.0 0.0 0.0 0.0 0.0
05/11/2017 1 Acceptable 0.0 0.0 0.0 0.0 0.0
10/13/2016 7 Acceptable 0.0 0.0 0.0 0.0 0.0
09/15/2016 17 Acceptable 0.0 0.0 0.0 0.0 0.0
08/18/2016 20 Acceptable 0.2 0.0 0.0 0.0 0.3
07/14/2016 75 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/19/2016 1 Acceptable 0.0 0.0 0.0 0.0 0.0
10/30/2015 31 Acceptable 0.0 0.0 0.0 0.0 0.0
09/25/2015 20 Acceptable 0.0 0.0 0.0 0.0 0.0
08/28/2015 11 Acceptable 0.0 0.0 0.0 0.0 0.0
07/24/2015 22 Acceptable 0.0 0.0 0.0 0.0 0.0
06/26/2015 26 Acceptable 0.0 0.0 0.0 0.2 0.2
05/29/2015 1 Acceptable 0.0 0.0 0.3 0.0 0.3

Entero Count (fecal indicator) and Rainfall Correlation

28 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:

The Little Beaver Kill is the first tributary to join the Esopus Creek below the Ashokan Dam. The Little Beaver Kill runs roughly parallel to Route 28A for much of its length. This waterway is sampled on the property of The Ashokan Center, near Route 28A.

Agencies Responsible:

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

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