Water Quality
Water Quality > Tributary and Waterfront Data > Esopus Creek > Mt Marion- USGS Streamgage

Mt Marion- USGS Streamgage

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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

79 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
08/06/2024 525 Beach Advisory 1.0 0.0 0.0 0.1 1.1
07/09/2024 1300 Beach Advisory 0.1 0.1 0.1 0.0 0.2
06/04/2024 83 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/14/2024 19 Acceptable 0.1 0.0 0.0 0.0 0.1
10/03/2023 20 Acceptable 0.0 0.0 0.0 0.2 0.2
09/12/2023 395 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/08/2023 192 Beach Advisory 0.0 1.0 0.0 0.0 1.0
07/18/2023 249 Beach Advisory 0.0 0.0 0.1 0.1 0.2
06/06/2023 32 Acceptable 0.0 0.0 0.0 0.0 0.0
05/23/2023 17 Acceptable 0.0 0.0 0.0 0.5 0.5
10/04/2022 4 Acceptable 0.0 0.0 0.0 0.0 0.0
08/02/2022 38 Acceptable 0.0 0.0 0.0 0.0 0.0
07/12/2022 19 Acceptable 0.0 0.0 0.0 0.0 0.0
06/01/2022 50 Acceptable 0.0 0.0 0.0 0.0 0.0
05/03/2022 5 Acceptable 0.0 0.0 0.3 0.4 0.8
10/14/2021 66 Beach Advisory 0.0 0.0 0.5 0.6 1.1
08/12/2021 261 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/10/2021 461 Beach Advisory 0.0 0.0 0.3 0.0 0.3
05/13/2021 28 Acceptable 0.0 0.0 0.0 0.0 0.0
10/15/2020 157 Beach Advisory 0.0 0.0 0.7 0.0 0.7
09/17/2020 326 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/20/2020 1046 Beach Advisory 0.0 0.0 0.1 0.0 0.1
06/30/2020 1986 Beach Advisory 0.1 0.0 0.0 0.3 0.4
10/10/2019 1120 Beach Advisory 0.0 0.0 0.1 0.7 0.8
09/12/2019 816 Beach Advisory 0.2 0.0 0.0 0.0 0.3
08/08/2019 2420 Beach Advisory 0.0 0.0 0.2 0.0 0.3
06/13/2019 387 Beach Advisory 0.2 0.0 0.2 1.0 1.3
05/09/2019 37 Acceptable 0.0 0.0 0.2 0.0 0.2
10/11/2018 345 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/06/2018 285 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/12/2018 100 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/07/2018 550 Beach Advisory 0.0 0.0 0.0 0.4 0.4
05/10/2018 49 Acceptable 0.0 0.0 0.0 0.1 0.1
10/12/2017 613 Beach Advisory 0.1 0.0 0.0 0.9 1.0
09/07/2017 411 Beach Advisory 0.1 1.0 0.1 0.0 1.2
08/10/2017 816 Beach Advisory 0.0 0.0 0.1 0.2 0.4
07/06/2017 921 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/08/2017 59 Acceptable 0.0 0.0 0.5 1.4 1.8
05/11/2017 3 Acceptable 0.0 0.0 0.0 0.0 0.0
10/13/2016 12 Acceptable 0.0 0.0 0.0 0.0 0.0
09/15/2016 23 Acceptable 0.0 0.0 0.0 0.0 0.0
08/18/2016 243 Beach Advisory 0.0 0.0 0.1 0.0 0.2
07/14/2016 575 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/16/2016 34 Acceptable 0.0 0.0 0.0 0.0 0.0
05/19/2016 4 Acceptable 0.0 0.0 0.0 0.0 0.0
10/30/2015 1553 Beach Advisory 0.0 0.0 1.6 0.0 1.6
09/25/2015 4 Acceptable 0.0 0.0 0.0 0.0 0.0
08/28/2015 21 Acceptable 0.0 0.0 0.0 0.0 0.0
07/24/2015 9 Acceptable 0.0 0.0 0.0 0.0 0.0
06/26/2015 22 Acceptable 0.0 0.0 0.0 0.7 0.7
05/29/2015 20 Acceptable 0.0 0.0 0.3 0.0 0.4
10/24/2014 219 Beach Advisory 0.0 1.0 0.6 0.7 2.2
09/13/2014 48 Acceptable 0.0 0.0 0.0 0.0 0.0
08/22/2014 154 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/18/2014 39 Acceptable 0.0 0.0 0.2 0.9 1.1
06/23/2014 18 Acceptable 0.0 0.0 0.0 0.0 0.0
05/23/2014 153 Beach Advisory 0.1 0.0 0.0 0.0 0.1
10/24/2013 6 Acceptable 0.0 0.0 0.0 0.0 0.0
09/26/2013 8 Acceptable 0.0 0.0 0.0 0.0 0.0
08/22/2013 15 Acceptable 0.0 0.0 0.0 0.0 0.0
07/25/2013 921 Beach Advisory 0.0 0.0 1.2 1.1 2.3
06/27/2013 56 Acceptable 0.5 0.0 0.0 0.0 0.5
06/06/2013 73 Beach Advisory 0.1 0.0 0.0 0.1 0.2
10/18/2012 2 Acceptable 0.0 0.0 0.0 0.4 0.4
09/18/2012 326 Beach Advisory 2.6 0.0 0.0 0.1 2.7
08/21/2012 6 Acceptable 0.0 0.0 0.0 0.0 0.1
07/24/2012 24 Acceptable 0.0 0.0 0.0 0.0 0.0
06/19/2012 15 Acceptable 0.0 0.0 0.0 0.0 0.0
05/23/2012 96 Beach Advisory 0.0 0.0 0.9 0.0 0.9
04/24/2012 249 Beach Advisory 0.0 0.0 0.8 0.8 1.5
11/14/2011 12 Acceptable 0.0 0.0 0.0 0.0 0.0
10/17/2011 23 Acceptable 0.0 0.0 0.1 1.1 1.1
09/21/2011 111 Beach Advisory 0.1 0.0 0.0 0.0 0.1
08/24/2011 8 Acceptable 0.0 0.0 0.0 0.6 0.7
07/15/2011 9 Acceptable 0.0 0.0 0.0 0.0 0.0
07/05/2011 49 Acceptable 0.0 0.0 0.2 0.0 0.2
09/17/2010 31 Acceptable 0.0 0.0 0.0 0.0 0.0
09/16/2010 12 Acceptable 0.1 0.0 0.0 0.0 0.1
08/20/2010 6 Acceptable 0.0 0.0 0.0 0.0 0.0

Entero Count (fecal indicator) and Rainfall Correlation

79 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, near the lowermost USGS streamgage on Esopus Creek, is sometimes used for swimming or relaxing on the large bedrock outcrops.

Agencies Responsible:

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

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