Water Quality
Water Quality > Tributary and Waterfront Data > Saw Kill > Red Hook (T)- Below Red Hook Commons

Red Hook (T)- Below Red Hook Commons

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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
10/14/2023 36 Acceptable 0.0 0.0 0.0 0.0 0.0
07/08/2023 54 Acceptable 0.0 0.1 0.0 0.0 0.1
06/10/2023 113 Beach Advisory 0.0 0.2 0.1 0.0 0.3
05/20/2023 187 Beach Advisory 0.0 0.0 0.0 0.0 0.0
10/15/2022 62 Beach Advisory 0.0 0.0 0.4 1.2 1.6
09/12/2022 25 Acceptable 0.0 0.0 0.0 0.0 0.1
08/12/2022 358 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/09/2022 602 Beach Advisory 0.0 0.0 0.0 0.0 0.0
10/08/2021 53 Acceptable 0.0 0.0 0.0 0.0 0.0
09/10/2021 51 Acceptable 0.0 0.0 0.0 0.0 0.0
08/13/2021 937 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/09/2021 87 Beach Advisory 0.5 1.6 0.0 0.0 2.2
06/11/2021 233 Beach Advisory 0.0 0.0 0.0 0.1 0.1
05/14/2021 85 Beach Advisory 0.0 0.0 0.0 0.0 0.0
04/09/2021 61 Beach Advisory 0.0 0.0 0.0 0.0 0.0
03/12/2021 129 Beach Advisory 0.0 0.0 0.0 0.0 0.0
02/12/2021 2 Acceptable 0.0 0.0 0.0 0.0 0.0
10/09/2020 45 Acceptable 0.0 0.0 0.0 0.0 0.0
09/11/2020 26 Acceptable 0.0 0.0 0.0 0.0 0.0
08/14/2020 1553 Beach Advisory 0.0 0.0 0.0 0.0 0.0
10/11/2019 108 Beach Advisory 0.0 0.0 0.0 0.1 0.1
09/13/2019 161 Beach Advisory 0.0 0.2 0.0 0.0 0.2
08/09/2019 961 Beach Advisory 0.0 0.0 0.5 0.1 0.7
07/12/2019 575 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/14/2019 57 Acceptable 0.0 0.2 0.0 0.0 0.2
05/10/2019 866 Beach Advisory 0.0 0.0 0.0 0.1 0.1
10/12/2018 1733 Beach Advisory 0.2 0.0 1.4 0.0 1.6
08/10/2018 47 Acceptable 0.5 0.0 0.0 0.9 1.3
07/13/2018 1986 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/08/2018 411 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/11/2018 10 Acceptable 0.1 0.0 0.0 0.0 0.1
10/13/2017 479 Beach Advisory 0.0 0.0 0.0 0.0 0.1
09/08/2017 46 Acceptable 0.0 0.3 0.7 0.1 1.1
08/11/2017 2420 Beach Advisory 0.4 0.6 0.0 0.0 0.9
07/14/2017 >2420 Beach Advisory 0.2 0.4 0.8 0.1 1.4
06/09/2017 69 Beach Advisory 0.0 0.0 0.0 0.6 0.6
05/12/2017 34 Acceptable 0.0 0.0 0.0 0.0 0.0
09/21/2016 20 Acceptable 0.0 0.0 0.8 0.0 0.8
08/19/2016 691 Beach Advisory 0.0 0.1 0.0 0.0 0.1
07/15/2016 >2420 Beach Advisory 0.0 0.3 0.0 0.0 0.3
06/17/2016 284 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/20/2016 116 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 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 just outside the village of Red Hook boundary. It is located in the stream that receives treated wastewater effluent from the Red Hook Commons sewage treatment plant. This receiving stream is a tributary to the Saw Kill. 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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