Water Quality > Tributary and Waterfront Data > Quassaick Creek > Newburgh (T)- Mill Street above Chadwick Lake reservoir

Newburgh (T)- Mill Street above Chadwick Lake reservoir

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

18 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.

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
10/15/2015 130 Beach Advisory 0.0 0.0 0.0 0.0 0.0
10/01/2015 3000 Beach Advisory 0.0 2.3 0.2 0.0 2.5
09/17/2015 400 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/03/2015 700 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/20/2015 180 Beach Advisory 0.0 0.0 2.3 0.0 2.3
08/06/2015 83 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/23/2015 280 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/09/2015 160 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/25/2015 720 Beach Advisory 0.0 0.0 0.1 0.0 0.1
06/11/2015 330 Beach Advisory 0.0 0.0 0.6 0.4 1.0
05/28/2015 310 Beach Advisory 0.0 0.1 0.0 0.0 0.1
05/14/2015 83 Beach Advisory 0.0 0.0 0.0 0.0 0.0
10/16/2014 >2420 Beach Advisory 1.2 0.3 0.0 0.0 1.5
10/02/2014 96 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/18/2014 45 Acceptable 0.0 0.0 0.2 0.0 0.2
09/09/2014 29 Acceptable 0.0 0.0 0.1 0.5 0.7
08/21/2014 99 Beach Advisory 0.1 0.0 0.0 0.0 0.1
08/07/2014 87 Beach Advisory 0.0 0.2 0.2 0.0 0.4

Entero Count (fecal indicator) and Rainfall Correlation

18 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 and processed at laboratories that aren't directly affiliated with Riverkeeper, using methods and study designs that are consistent with Riverkeeper's Hudson River and Citizen Testing programs.

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 on the Quassaick Creek is upstream of Chadwick Lake, which provides drinking water for the Town of Newburgh. In addition, people fish on this part of the stream.

Agencies Responsible:

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

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