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

Red Hook (T)- Below Montgomery Place dam

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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 18 Acceptable 0.0 0.0 0.0 0.0 0.0
07/08/2023 34 Acceptable 0.0 0.1 0.0 0.0 0.1
06/10/2023 5 Acceptable 0.0 0.2 0.1 0.0 0.3
05/20/2023 32 Acceptable 0.0 0.0 0.0 0.0 0.0
10/15/2022 49 Acceptable 0.0 0.0 0.4 1.2 1.6
09/12/2022 4 Acceptable 0.0 0.0 0.0 0.0 0.1
08/12/2022 24 Acceptable 0.0 0.0 0.0 0.0 0.0
07/09/2022 47 Acceptable 0.0 0.0 0.0 0.0 0.0
10/08/2021 44 Acceptable 0.0 0.0 0.0 0.0 0.0
09/10/2021 2 Acceptable 0.0 0.0 0.0 0.0 0.0
08/13/2021 17 Acceptable 0.0 0.0 0.0 0.0 0.0
07/09/2021 >2419.6 Beach Advisory 0.5 1.6 0.0 0.0 2.2
06/11/2021 11 Acceptable 0.0 0.0 0.0 0.1 0.1
05/14/2021 20 Acceptable 0.0 0.0 0.0 0.0 0.0
04/09/2021 11 Acceptable 0.0 0.0 0.0 0.0 0.0
03/12/2021 13 Acceptable 0.0 0.0 0.0 0.0 0.0
02/12/2021 4 Acceptable 0.0 0.0 0.0 0.0 0.0
10/09/2020 18 Acceptable 0.0 0.0 0.0 0.0 0.0
09/11/2020 40 Acceptable 0.0 0.0 0.0 0.0 0.0
08/14/2020 921 Beach Advisory 0.0 0.0 0.0 0.0 0.0
10/11/2019 2 Acceptable 0.0 0.0 0.0 0.1 0.1
09/13/2019 19 Acceptable 0.0 0.2 0.0 0.0 0.2
08/09/2019 57 Acceptable 0.0 0.0 0.5 0.1 0.7
07/12/2019 5 Acceptable 0.0 0.0 0.0 0.0 0.0
06/14/2019 17 Acceptable 0.0 0.2 0.0 0.0 0.2
05/10/2019 26 Acceptable 0.0 0.0 0.0 0.1 0.1
10/12/2018 >2420 Beach Advisory 0.2 0.0 1.4 0.0 1.6
08/10/2018 19 Acceptable 0.5 0.0 0.0 0.9 1.3
07/13/2018 104 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/08/2018 19 Acceptable 0.0 0.0 0.0 0.0 0.0
05/11/2018 1 Acceptable 0.1 0.0 0.0 0.0 0.1
10/13/2017 28 Acceptable 0.0 0.0 0.0 0.0 0.1
09/08/2017 11 Acceptable 0.0 0.3 0.7 0.1 1.1
08/11/2017 36 Acceptable 0.4 0.6 0.0 0.0 0.9
07/14/2017 115 Beach Advisory 0.2 0.4 0.8 0.1 1.4
06/09/2017 18 Acceptable 0.0 0.0 0.0 0.6 0.6
05/12/2017 4 Acceptable 0.0 0.0 0.0 0.0 0.0
09/21/2016 6 Acceptable 0.0 0.0 0.8 0.0 0.8
08/19/2016 81 Beach Advisory 0.0 0.1 0.0 0.0 0.1
07/15/2016 1414 Beach Advisory 0.0 0.3 0.0 0.0 0.3
06/17/2016 40 Acceptable 0.0 0.0 0.0 0.0 0.0
05/20/2016 4 Acceptable 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 sampling site is located on an oxbow of the Saw Kill beneath the Montgomery Place dam. This site was monitored by the Sawkill Creek Water Quality Surveillance Program beginning in the 1970's. 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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