Water Quality
Water Quality > Tributary and Waterfront Data > Sparkill Creek > Piermont- Skating Pond

Piermont- Skating Pond

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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

108 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
09/29/2022 132 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/24/2022 1234 Beach Advisory 0.0 0.0 0.6 0.0 0.6
06/21/2022 697 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/17/2022 512 Beach Advisory 0.0 0.1 0.1 0.1 0.3
10/18/2021 670 Beach Advisory 0.0 0.0 0.4 0.0 0.4
09/27/2021 341 Beach Advisory 0.0 0.0 0.0 0.8 0.8
08/24/2021 2382 Beach Advisory 0.0 0.0 0.0 0.0 0.1
07/27/2021 1022 Beach Advisory 0.0 0.0 0.7 0.0 0.7
06/29/2021 1119 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/25/2021 402 Beach Advisory 0.0 0.0 0.0 0.0 0.0
12/03/2018 133 Beach Advisory 0.0 0.9 0.2 0.0 1.1
11/08/2018 267 Beach Advisory 0.0 0.0 0.6 0.3 0.9
10/27/2018 161 Beach Advisory 0.4 0.0 0.0 0.0 0.4
10/24/2018 79 Beach Advisory 0.0 0.0 0.0 0.1 0.1
09/20/2018 2420 Beach Advisory 0.0 0.0 1.2 0.0 1.2
09/15/2018 763 Beach Advisory 0.0 0.0 0.0 0.2 0.2
08/09/2018 1553 Beach Advisory 0.0 0.4 0.1 0.0 0.5
07/21/2018 602 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/16/2018 1733 Beach Advisory 0.0 0.0 0.0 0.0 0.1
04/24/2018 55 Acceptable 0.0 0.0 0.0 0.0 0.0
03/26/2018 33 Acceptable 0.0 0.0 0.0 0.0 0.0
02/26/2018 161 Beach Advisory 0.0 0.9 0.3 0.2 1.4
01/24/2018 613 Beach Advisory 0.0 1.1 0.1 0.0 1.2
12/04/2017 185 Beach Advisory 0.0 0.0 0.0 0.0 0.0
11/16/2017 866 Beach Advisory 0.1 0.0 0.0 0.0 0.1
10/21/2017 241 Beach Advisory 0.0 0.0 0.0 0.0 0.0
10/11/2017 1986 Beach Advisory 0.0 0.0 0.3 0.1 0.4
09/29/2017 517 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/16/2017 410 Beach Advisory 0.0 0.0 0.3 0.0 0.3
08/19/2017 742 Beach Advisory 0.0 0.5 0.0 0.0 0.5
07/15/2017 7270 Beach Advisory 0.0 0.7 0.1 0.0 0.8
07/06/2017 1414 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/17/2017 5475 Beach Advisory 0.0 0.2 0.0 0.1 0.3
05/20/2017 1968 Beach Advisory 0.0 0.1 0.0 0.0 0.2
04/13/2017 32 Acceptable 0.0 0.1 0.0 0.0 0.1
03/30/2017 24 Acceptable 0.0 0.0 0.5 0.5 1.0
02/02/2017 125 Beach Advisory 0.0 0.1 0.0 0.0 0.1
01/11/2017 387 Beach Advisory 0.5 0.0 0.0 0.0 0.5
08/30/2016 1046 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/09/2016 1553 Beach Advisory 0.0 0.0 0.4 0.0 0.4
06/11/2016 1300 Beach Advisory 0.0 0.0 0.0 0.3 0.3
06/07/2016 2420 Beach Advisory 0.0 0.0 1.7 0.0 1.7
05/14/2016 1553 Beach Advisory 0.0 0.2 0.0 0.0 0.2
05/09/2016 206 Beach Advisory 0.0 0.1 0.0 0.8 0.9
04/18/2016 38 Acceptable 0.0 0.0 0.0 0.0 0.0
03/07/2016 18 Acceptable 0.0 0.0 0.0 0.0 0.0
02/01/2016 291 Beach Advisory 0.0 0.0 0.0 0.0 0.0
01/12/2016 770 Beach Advisory 0.0 0.0 1.1 0.0 1.1
12/07/2015 112 Beach Advisory 0.0 0.0 0.0 0.0 0.0
11/16/2015 866 Beach Advisory 0.0 0.0 0.0 0.0 0.0
10/27/2015 125 Beach Advisory 0.0 0.0 0.1 0.0 0.1
09/22/2015 649 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/05/2015 365 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/18/2015 770 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/04/2015 1046 Beach Advisory 0.0 0.0 0.0 1.1 1.1
05/27/2015 488 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/02/2015 50 Acceptable 0.0 0.0 0.0 0.0 0.0
04/06/2015 14 Acceptable 0.0 0.0 0.2 0.0 0.2
03/11/2015 387 Beach Advisory 0.0 0.2 0.0 0.1 0.3
02/23/2015 4 Acceptable 0.0 0.0 0.0 0.0 0.0
01/05/2015 345 Beach Advisory 0.0 0.4 0.4 0.0 0.8
12/01/2014 39 Acceptable 0.0 0.0 0.0 0.0 0.0
11/10/2014 28 Acceptable 0.0 0.0 0.0 0.0 0.0
10/27/2014 192 Beach Advisory 0.0 0.0 0.0 0.0 0.0
10/04/2014 1046 Beach Advisory 0.2 0.0 0.0 0.0 0.2
09/06/2014 1046 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/26/2014 291 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/24/2014 1120 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/07/2014 1986 Beach Advisory 0.0 0.0 0.5 0.0 0.5
05/27/2014 1553 Beach Advisory 0.0 0.0 0.0 0.1 0.1
05/03/2014 291 Beach Advisory 0.0 0.0 0.3 2.8 3.0
04/21/2014 86 Beach Advisory 0.0 0.0 0.0 0.0 0.0
03/31/2014 613 Beach Advisory 0.1 1.0 1.5 0.1 2.7
02/24/2014 326 Beach Advisory 0.0 0.0 0.0 0.1 0.1
01/27/2014 488 Beach Advisory 0.0 0.0 0.0 0.0 0.0
12/02/2013 488 Beach Advisory 0.0 0.0 0.0 0.0 0.0
11/13/2013 345 Beach Advisory 0.0 0.1 0.0 0.0 0.1
10/28/2013 228 Beach Advisory 0.0 0.0 0.0 0.0 0.0
10/12/2013 727 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/30/2013 488 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/28/2013 649 Beach Advisory 0.0 0.1 0.2 0.0 0.3
07/24/2013 1733 Beach Advisory 0.0 2.1 0.3 0.0 2.4
06/27/2013 813 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/15/2013 1986 Beach Advisory 0.0 0.6 0.6 0.1 1.3
05/04/2013 173 Beach Advisory 0.0 0.0 0.0 0.0 0.0
04/22/2013 52 Acceptable 0.0 0.0 0.1 0.0 0.1
03/18/2013 46 Acceptable 0.0 0.0 0.0 0.0 0.0
02/25/2013 30 Acceptable 0.0 0.0 0.1 0.0 0.1
01/14/2013 45 Acceptable 0.1 0.0 0.0 0.4 0.5
12/10/2012 2420 Beach Advisory 0.1 0.2 0.2 0.1 0.6
11/08/2012 1935 Beach Advisory 0.0 0.1 0.0 0.0 0.1
11/06/2012 197 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/12/2012 770 Beach Advisory 0.0 0.4 0.3 0.7 1.4
04/09/2012 41 Acceptable 0.0 0.0 0.0 0.0 0.0
03/05/2012 9 Acceptable 0.0 0.0 0.1 0.1 0.2
02/06/2012 19 Acceptable 0.0 0.0 0.0 0.0 0.0
01/03/2012 1785 Beach Advisory 0.0 0.0 0.1 0.0 0.1
12/05/2011 179 Beach Advisory 0.0 0.0 0.0 0.0 0.0
11/07/2011 400 Beach Advisory 0.0 0.0 0.0 0.0 0.0
11/06/2011 387 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/03/2011 517 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/02/2011 921 Beach Advisory 0.0 0.0 0.0 0.2 0.2
05/28/2011 517 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/02/2011 161 Beach Advisory 0.0 0.0 0.0 0.4 0.4
04/04/2011 225 Beach Advisory 0.0 0.0 0.0 0.2 0.2
02/07/2011 146 Beach Advisory 0.0 0.1 0.2 0.1 0.4
01/11/2011 68 Beach Advisory 0.0 0.0 0.0 0.0 0.0
01/03/2011 548 Beach Advisory 0.0 0.0 0.0 0.1 0.1

Entero Count (fecal indicator) and Rainfall Correlation

108 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 sampling site is located at Eleanor Stroud Park, where the creek empties into the skating pond.

Agencies Responsible:

Rockland County Dept. of Health: 845-364-2900; NYSDEC Region 3: 914-428-2505

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