Water Quality > Tributary and Waterfront Data > Saw Kill > Red Hook (T)- Aspinwall Road near Linden Acres

Red Hook (T)- Aspinwall Road near Linden Acres

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

21 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
10/12/2018>2420Beach Advisory0.
07/13/2018117Beach Advisory0.
08/11/201775Beach Advisory0.
07/14/2017275Beach Advisory0.
11/16/2016>2420Beach Advisory1.
08/19/201698Beach Advisory0.
07/15/2016258Beach Advisory0.
06/17/201676Beach Advisory0.

Entero Count (fecal indicator) and Rainfall Correlation

21 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 is located in a wooded area west of the Linden Acres neighborhood of Red Hook. These samples are collected by Saw Kill Watershed Community members and processed by the Bard Water Lab.

Agencies Responsible:

Dutchess County Dept. of Health: 845-486-3400; NYSDEC Region 3: 845-256-3000

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