Water Quality > Tributary and Waterfront Data > Wallkill River > Wawayanda- Pellets Island Bridge

Wawayanda- Pellets Island Bridge

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

35 Samples taken

Sample Date [i] Enterococcus Count

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.

QualityRain, day of (in)Prior Day2 Days Prior3 Days Prior Rain4 Days Total Rain
SortSortSortSortSortSortSortSort
10/14/20172420Beach Advisory0.00.00.10.00.1
09/09/20171986Beach Advisory0.00.00.10.91.0
08/12/2017>2420Beach Advisory0.90.50.00.01.4
07/08/2017>2420Beach Advisory0.00.60.00.00.6
06/10/2017>2420Beach Advisory0.00.00.00.00.0
05/13/20171553Beach Advisory0.20.00.00.00.2
10/15/2016452Beach Advisory0.00.00.00.00.0
09/17/2016756Beach Advisory0.00.00.00.00.0
08/20/2016>2420Beach Advisory0.00.00.10.00.1
07/16/20161203Beach Advisory0.00.00.00.00.0
06/18/2016184Beach Advisory0.00.00.00.00.0
05/21/201699Beach Advisory0.00.00.00.00.0
10/31/2015>2420Beach Advisory0.00.00.31.01.3
09/26/2015>2420Beach Advisory0.00.00.00.00.0
08/29/2015461Beach Advisory0.00.00.00.00.0
07/25/20151733Beach Advisory0.00.00.00.00.0
05/30/2015238Beach Advisory0.00.00.00.40.4
11/01/20141300Beach Advisory0.00.00.00.10.1
09/27/2014204Beach Advisory0.00.00.00.00.0
08/30/2014921Beach Advisory0.00.00.00.00.0
07/26/2014727Beach Advisory0.00.00.00.20.2
06/28/2014649Beach Advisory0.00.00.00.20.2
05/31/2014461Beach Advisory0.00.10.00.00.1
10/26/201332Acceptable0.00.00.00.00.0
09/28/2013313Beach Advisory0.00.00.00.00.0
08/24/2013345Beach Advisory0.00.00.60.00.6
07/27/2013260Beach Advisory0.00.00.00.10.1
06/29/2013>2420Beach Advisory0.00.91.50.12.5
06/08/2013>2420Beach Advisory0.21.70.20.02.1
10/27/2012921Beach Advisory0.00.00.00.10.1
09/29/20124884Beach Advisory0.00.70.00.20.8
09/01/2012980Beach Advisory0.00.00.00.00.0
07/28/2012>2420Beach Advisory0.50.00.80.01.2
06/30/2012260Beach Advisory0.00.00.00.00.0
05/26/2012361Beach Advisory0.00.00.00.30.4

Entero Count (fecal indicator) and Rainfall Correlation

35 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 at the northern edge of the Black Dirt agricultural region, a floodplain with rich, alluvial soils. For approximately five miles upstream of this sampling site, the Wallkill River is artificially straightened and its watershed is drained by manmade canals.

Agencies Responsible:

Orange County Dept. of Health: 845-291-2331; NYSDEC Region 3: 845-256-3000

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