Water Quality
Water Quality > Tributary and Waterfront Data > Sparkill Creek > Orangeburg- Tackamack tributary

Orangeburg- Tackamack tributary

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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

32 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
10/08/2016 1120 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/10/2016 1203 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/13/2016 687 Beach Advisory 0.0 0.6 0.1 0.1 0.8
07/09/2016 >2420 Beach Advisory 0.0 0.0 0.4 0.0 0.4
06/11/2016 154 Beach Advisory 0.0 0.0 0.0 0.2 0.2
05/14/2016 84 Beach Advisory 0.0 0.2 0.0 0.0 0.2
10/03/2015 >2420 Beach Advisory 0.6 0.6 0.1 1.0 2.2
08/01/2015 461 Beach Advisory 0.0 0.0 1.5 0.0 1.5
07/04/2015 1986 Beach Advisory 0.0 0.0 0.0 1.1 1.1
06/06/2015 1553 Beach Advisory 0.2 0.2 0.0 0.0 0.3
05/02/2015 35 Acceptable 0.0 0.0 0.0 0.0 0.0
10/04/2014 >2420 Beach Advisory 0.5 0.0 0.0 0.0 0.5
09/06/2014 403 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/02/2014 >2420 Beach Advisory 0.1 0.2 0.0 0.0 0.3
07/05/2014 1553 Beach Advisory 0.0 0.2 3.0 2.3 5.5
06/07/2014 361 Beach Advisory 0.0 0.0 0.5 0.0 0.5
05/03/2014 47 Acceptable 0.0 0.0 0.3 2.8 3.0
10/12/2013 461 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/14/2013 1203 Beach Advisory 0.0 0.1 0.0 0.0 0.1
08/10/2013 548 Beach Advisory 0.0 0.5 0.4 0.0 0.9
07/13/2013 517 Beach Advisory 0.2 0.2 0.0 0.1 0.5
06/15/2013 866 Beach Advisory 0.0 0.2 0.7 0.0 0.9
05/04/2013 6 Acceptable 0.0 0.0 0.0 0.0 0.0
10/06/2012 613 Beach Advisory 0.0 0.0 1.7 0.5 2.2
09/08/2012 89 Beach Advisory 0.7 0.0 0.0 0.5 1.2
08/04/2012 91 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/14/2012 78 Beach Advisory 0.1 0.0 0.0 0.0 0.1
06/02/2012 2420 Beach Advisory 0.7 0.0 0.0 0.0 0.7
05/12/2012 81 Beach Advisory 0.0 0.0 0.3 0.4 0.7
11/06/2011 65 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/03/2011 71 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/28/2011 13 Acceptable 0.0 0.0 0.0 0.0 0.0

Entero Count (fecal indicator) and Rainfall Correlation

32 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 in one of the small headwater streams of Sparkill Creek. This arm of the creek rises from seeps to drain the forested area on the south side of Clausland Mountain.

Agencies Responsible:

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

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