Water Quality
Water Quality > Tributary and Waterfront Data > Sparkill Creek > Blauvelt- Spruce Street

Blauvelt- Spruce Street

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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

42 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
10/26/2019 279 Beach Advisory 0.0 0.0 0.0 0.1 0.1
08/17/2019 2489 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/20/2019 912 Beach Advisory 0.0 0.0 0.5 0.7 1.2
06/15/2019 443 Beach Advisory 0.0 0.0 0.7 0.0 0.7
05/18/2019 512 Beach Advisory 0.0 0.0 0.0 0.0 0.1
10/27/2018 9208 Beach Advisory 0.6 0.0 0.0 0.0 0.6
09/15/2018 450 Beach Advisory 0.0 0.0 0.0 0.1 0.1
08/18/2018 >24196 Beach Advisory 0.2 0.6 0.0 0.0 0.8
06/16/2018 649 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/19/2018 >2420 Beach Advisory 0.2 0.0 0.3 0.7 1.2
08/19/2017 9208 Beach Advisory 0.0 0.5 0.0 0.0 0.5
07/15/2017 6131 Beach Advisory 0.0 0.7 0.1 0.0 0.8
06/17/2017 6488 Beach Advisory 0.0 0.2 0.0 0.0 0.2
05/20/2017 301 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/09/2016 >2420 Beach Advisory 0.0 0.0 0.4 0.0 0.4
06/11/2016 1120 Beach Advisory 0.0 0.0 0.0 0.2 0.2
05/14/2016 308 Beach Advisory 0.0 0.2 0.0 0.0 0.2
10/03/2015 1553 Beach Advisory 0.6 0.6 0.1 1.0 2.2
08/01/2015 >2420 Beach Advisory 0.0 0.0 1.5 0.0 1.5
07/04/2015 921 Beach Advisory 0.0 0.0 0.0 1.1 1.1
06/06/2015 >2420 Beach Advisory 0.2 0.2 0.0 0.0 0.3
05/02/2015 140 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/06/2014 1203 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 >2420 Beach Advisory 0.0 0.2 3.0 2.3 5.5
06/07/2014 770 Beach Advisory 0.0 0.0 0.5 0.0 0.5
05/03/2014 112 Beach Advisory 0.0 0.0 0.3 2.8 3.0
10/12/2013 >2420 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/14/2013 >2420 Beach Advisory 0.0 0.1 0.0 0.0 0.1
08/10/2013 >2420 Beach Advisory 0.0 0.5 0.4 0.0 0.9
07/13/2013 >2420 Beach Advisory 0.2 0.2 0.0 0.1 0.5
06/15/2013 1120 Beach Advisory 0.0 0.2 0.7 0.0 0.9
05/04/2013 89 Beach Advisory 0.0 0.0 0.0 0.0 0.0
10/06/2012 1203 Beach Advisory 0.0 0.0 1.7 0.5 2.2
09/08/2012 980 Beach Advisory 0.7 0.0 0.0 0.5 1.2
08/04/2012 2420 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/14/2012 1300 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 205 Beach Advisory 0.0 0.0 0.3 0.4 0.7
11/06/2011 89 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/03/2011 158 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/28/2011 1120 Beach Advisory 0.0 0.0 0.0 0.0 0.0

Entero Count (fecal indicator) and Rainfall Correlation

42 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 where the Sparkill Creek transitions from its forested headwaters into predominantly residential land use. Near this sampling point, the stream flows through private yards.

Agencies Responsible:

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

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