Water Quality
Water Quality > Tributary and Waterfront Data > Saw Kill > Red Hook (T)- Lakes Kill tributary at Trees for Tribs site

Red Hook (T)- Lakes Kill tributary at Trees for Tribs site

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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

31 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
09/10/2021 147 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/13/2021 53 Acceptable 0.0 0.0 0.0 0.0 0.0
07/09/2021 62 Beach Advisory 0.5 1.6 0.0 0.0 2.2
06/11/2021 80 Beach Advisory 0.0 0.0 0.0 0.1 0.1
05/14/2021 1 Acceptable 0.0 0.0 0.0 0.0 0.0
04/09/2021 6 Acceptable 0.0 0.0 0.0 0.0 0.0
03/12/2021 <1 Acceptable 0.0 0.0 0.0 0.0 0.0
02/12/2021 1 Acceptable 0.0 0.0 0.0 0.0 0.0
10/09/2020 3 Acceptable 0.0 0.0 0.0 0.0 0.0
09/11/2020 218 Beach Advisory 0.0 0.0 0.0 0.0 0.0
10/11/2019 3 Acceptable 0.0 0.0 0.0 0.1 0.1
09/13/2019 59 Acceptable 0.0 0.2 0.0 0.0 0.2
08/09/2019 15 Acceptable 0.0 0.0 0.5 0.1 0.7
07/12/2019 60 Acceptable 0.0 0.0 0.0 0.0 0.0
06/14/2019 8 Acceptable 0.0 0.2 0.0 0.0 0.2
05/10/2019 15 Acceptable 0.0 0.0 0.0 0.1 0.1
10/12/2018 46 Acceptable 0.2 0.0 1.4 0.0 1.6
08/10/2018 2420 Beach Advisory 0.5 0.0 0.0 0.9 1.3
07/13/2018 15 Acceptable 0.0 0.0 0.0 0.0 0.0
06/08/2018 15 Acceptable 0.0 0.0 0.0 0.0 0.0
05/11/2018 12 Acceptable 0.1 0.0 0.0 0.0 0.1
10/13/2017 29 Acceptable 0.0 0.0 0.0 0.0 0.1
09/08/2017 96 Beach Advisory 0.0 0.3 0.7 0.1 1.1
08/11/2017 142 Beach Advisory 0.4 0.6 0.0 0.0 0.9
07/14/2017 83 Beach Advisory 0.2 0.4 0.8 0.1 1.4
06/09/2017 64 Beach Advisory 0.0 0.0 0.0 0.6 0.6
05/12/2017 15 Acceptable 0.0 0.0 0.0 0.0 0.0
09/21/2016 25 Acceptable 0.0 0.0 0.8 0.0 0.8
07/15/2016 387 Beach Advisory 0.0 0.3 0.0 0.0 0.3
06/17/2016 46 Acceptable 0.0 0.0 0.0 0.0 0.0
05/20/2016 18 Acceptable 0.0 0.0 0.0 0.0 0.0

Entero Count (fecal indicator) and Rainfall Correlation

31 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 was monitored by the Sawkill Creek Water Quality Surveillance Program beginning in the 1970's. Upstream of here, the Lakes Kill corridor is mostly forested, with some patches of agriculture. 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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