Water Quality
Water Quality > Tributary and Waterfront Data > Esopus Creek > Marbletown- Mill Pond swim and boat access

Marbletown- Mill Pond swim and boat access

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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

33 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
09/10/2024 7 Acceptable 0.0 0.0 0.0 0.0 0.0
08/06/2024 >2420 Beach Advisory 0.7 0.0 0.5 0.1 1.3
07/09/2024 74 Beach Advisory 0.1 0.1 0.1 0.0 0.2
06/04/2024 2420 Beach Advisory 0.0 0.0 0.0 0.0 0.0
10/10/2019 41 Acceptable 0.0 0.0 0.1 0.7 0.8
09/12/2019 204 Beach Advisory 0.2 0.0 0.0 0.0 0.3
08/08/2019 196 Beach Advisory 0.0 0.2 0.2 0.0 0.5
07/11/2019 42 Acceptable 0.0 0.0 0.0 0.0 0.0
06/13/2019 96 Beach Advisory 0.1 0.0 0.2 1.0 1.3
05/09/2019 14 Acceptable 0.0 0.0 0.4 0.1 0.4
10/11/2018 25 Acceptable 0.0 0.0 0.0 0.1 0.1
09/06/2018 30 Acceptable 0.0 0.0 0.0 0.0 0.0
08/09/2018 57 Acceptable 0.0 0.9 0.0 0.0 0.9
07/12/2018 29 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 2 Acceptable 0.0 0.0 0.0 0.0 0.0
10/12/2017 85 Beach Advisory 0.0 0.0 0.0 0.7 0.7
09/07/2017 461 Beach Advisory 0.1 0.5 0.1 0.0 0.7
08/10/2017 98 Beach Advisory 0.0 0.0 0.1 0.2 0.3
07/06/2017 21 Acceptable 0.0 0.0 0.0 0.0 0.0
05/11/2017 2 Acceptable 0.0 0.0 0.0 0.0 0.0
10/13/2016 19 Acceptable 0.0 0.0 0.0 0.0 0.0
09/15/2016 9 Acceptable 0.0 0.0 0.0 0.0 0.0
08/18/2016 25 Acceptable 0.2 0.0 0.0 0.0 0.3
07/14/2016 117 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/16/2016 85 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/19/2016 5 Acceptable 0.0 0.0 0.0 0.0 0.0
10/30/2015 130 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/25/2015 4 Acceptable 0.0 0.0 0.0 0.0 0.0
08/28/2015 10 Acceptable 0.0 0.0 0.0 0.0 0.0
07/24/2015 3 Acceptable 0.0 0.0 0.0 0.0 0.0
06/26/2015 96 Beach Advisory 0.0 0.0 0.0 0.2 0.2
05/29/2015 3 Acceptable 0.0 0.0 0.3 0.0 0.3

Entero Count (fecal indicator) and Rainfall Correlation

33 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 at The Ashokan Center. An old mill impoundment creates a slow moving area, just downstream of the confluence of the Tongore Creek and the Esopus Creek. There is a beach and a dock. The area is no longer suitable for swimming due to sediment accumulation, but it is used for boat access.

Agencies Responsible:

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

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