Water Quality
Water Quality > Tributary and Waterfront Data > Rondout Creek > Rosendale- AJ Snyder Field

Rosendale- AJ Snyder Field

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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

48 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
10/05/2019 1414 Beach Advisory 0.0 0.0 0.6 0.1 0.7
09/14/2019 816 Beach Advisory 0.0 0.2 0.0 0.0 0.3
08/10/2019 1553 Beach Advisory 0.0 0.0 0.0 0.2 0.3
07/13/2019 111 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/15/2019 146 Beach Advisory 0.0 0.0 0.3 0.0 0.3
05/11/2019 58 Acceptable 0.0 0.0 0.0 0.0 0.0
10/13/2018 2420 Beach Advisory 0.1 0.0 1.0 0.0 1.1
09/08/2018 488 Beach Advisory 0.0 0.0 0.1 0.0 0.1
08/11/2018 >2420 Beach Advisory 0.0 0.0 0.0 0.9 1.0
07/14/2018 208 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/09/2018 397 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/12/2018 68 Beach Advisory 0.1 0.0 0.0 0.0 0.1
10/14/2017 166 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/09/2017 613 Beach Advisory 0.0 0.0 0.1 0.5 0.6
08/12/2017 >2420 Beach Advisory 0.5 1.0 0.0 0.0 1.5
07/08/2017 65 Beach Advisory 0.0 0.2 0.0 0.0 0.2
06/10/2017 173 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/13/2017 17 Acceptable 0.1 0.0 0.0 0.0 0.1
10/15/2016 38 Acceptable 0.0 0.0 0.0 0.0 0.0
09/17/2016 184 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/20/2016 387 Beach Advisory 0.0 0.0 0.2 0.0 0.2
07/16/2016 921 Beach Advisory 0.0 0.0 0.5 0.0 0.5
06/18/2016 416 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/21/2016 26 Acceptable 0.0 0.0 0.0 0.0 0.0
10/31/2015 308 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/26/2015 39 Acceptable 0.0 0.0 0.0 0.0 0.0
08/29/2015 82 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/25/2015 206 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/27/2015 84 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/30/2015 150 Beach Advisory 0.0 0.0 0.0 0.3 0.3
11/01/2014 21 Acceptable 0.0 0.0 0.0 0.0 0.0
09/27/2014 178 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/30/2014 >2420 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/26/2014 272 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/28/2014 365 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/31/2014 210 Beach Advisory 0.0 0.0 0.0 0.0 0.0
10/26/2013 23 Acceptable 0.0 0.0 0.0 0.0 0.0
09/28/2013 1986 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/24/2013 365 Beach Advisory 0.0 0.1 0.0 0.0 0.1
07/27/2013 214 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/29/2013 >2420 Beach Advisory 0.0 0.5 0.7 0.0 1.3
06/08/2013 >2420 Beach Advisory 0.3 2.0 0.1 0.0 2.5
10/27/2012 185 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/29/2012 670 Beach Advisory 0.0 1.7 0.0 0.1 1.8
09/01/2012 31 Acceptable 0.0 0.0 0.0 0.0 0.0
07/28/2012 1300 Beach Advisory 0.0 0.0 0.6 0.0 0.7
06/30/2012 61 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/26/2012 49 Acceptable 0.0 0.0 0.0 0.0 0.1

Entero Count (fecal indicator) and Rainfall Correlation

48 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 near the AJ Snyder Little League fields in Rosendale, although the Little League fields and parking are not open to the public for use to access the creek. Coxing Kill, which has its headwaters in Minnewaska State Park, joins the Rondout on the opposite side of the creek near this site.

Agencies Responsible:

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

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