Water Quality
Water Quality > Tributary and Waterfront Data > Mohawk River > Cohoes- Van Schaick Island at Mohawk-Hudson Bike/Hike Trail

Cohoes- Van Schaick Island at Mohawk-Hudson Bike/Hike Trail

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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

43 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
10/15/2023 921 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/17/2023 1300 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/20/2023 1046 Beach Advisory 0.0 0.0 1.8 0.0 1.8
07/06/2023 1046 Beach Advisory 0.0 0.0 0.0 0.5 0.5
06/07/2023 345 Beach Advisory 0.0 0.0 0.2 0.0 0.2
10/16/2022 114 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/18/2022 47 Acceptable 0.0 0.0 0.0 0.0 0.0
08/21/2022 1203 Beach Advisory 0.0 0.0 0.0 0.1 0.1
07/10/2022 980 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/11/2022 75 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/24/2022 192 Beach Advisory 0.0 0.0 0.0 0.0 0.0
10/24/2021 63 Beach Advisory 0.0 0.0 0.2 0.0 0.2
09/26/2021 >2420 Beach Advisory 0.0 0.0 1.2 0.6 1.7
08/29/2021 1733 Beach Advisory 0.0 0.2 0.0 0.0 0.2
07/26/2021 2420 Beach Advisory 0.0 0.4 0.0 0.0 0.4
05/24/2021 158 Beach Advisory 0.0 0.0 0.0 0.0 0.0
10/25/2020 138 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/20/2020 44 Acceptable 0.0 0.0 0.0 0.0 0.0
08/16/2020 345 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/17/2020 1733 Beach Advisory 0.6 0.4 0.0 0.8 1.7
06/23/2020 1203 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/01/2020 159 Beach Advisory 0.0 0.0 0.2 0.0 0.2
10/13/2019 579 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/15/2019 1046 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/11/2019 1414 Beach Advisory 0.0 0.0 0.0 0.8 0.8
07/14/2019 1986 Beach Advisory 0.0 0.0 0.0 0.1 0.1
05/14/2019 1203 Beach Advisory 0.1 0.7 0.4 0.0 1.2
09/17/2018 1300 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/18/2018 32 Acceptable 0.0 0.0 0.0 0.2 0.2
10/23/2017 72 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/17/2017 96 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/21/2017 1733 Beach Advisory 0.0 0.0 0.0 0.9 0.9
07/17/2017 1986 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/17/2017 770 Beach Advisory 0.0 0.6 0.0 0.0 0.6
05/22/2017 78 Beach Advisory 0.2 0.0 0.0 0.0 0.2
10/22/2016 243 Beach Advisory 0.2 0.1 0.4 0.0 0.7
09/19/2016 >2420 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/20/2016 816 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/02/2016 270 Beach Advisory 1.3 0.1 1.3 0.0 2.7
07/18/2016 115 Beach Advisory 0.0 0.6 0.0 0.0 0.6
07/05/2016 435 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/19/2016 <1 Acceptable 0.0 0.0 0.0 0.0 0.0
05/25/2016 5 Acceptable 0.0 0.0 0.0 0.0 0.0

Entero Count (fecal indicator) and Rainfall Correlation

43 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 in the middle branch of the Mohawk Delta.

Agencies Responsible:

Albany County Dept. of Health: 518-447-4580; NYSDEC Region 4: 518-357-2068

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