Water Quality
Water Quality > Tributary and Waterfront Data > Roeliff Jansen Kill > Germantown- Hudson River near WWTP

Germantown- Hudson River near WWTP

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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

12 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
10/14/2017 6 Acceptable 0.0 0.0 0.1 0.0 0.2
09/09/2017 1 Acceptable 0.0 0.0 0.0 0.5 0.5
08/12/2017 6 Acceptable 0.3 0.3 0.0 0.0 0.7
07/08/2017 1300 Beach Advisory 0.0 0.1 0.0 0.0 0.1
06/10/2017 28 Acceptable 0.0 0.0 0.0 0.0 0.0
05/13/2017 4 Acceptable 0.0 0.0 0.0 0.0 0.0
10/15/2016 85 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/17/2016 29 Acceptable 0.0 0.0 0.0 0.0 0.0
08/20/2016 19 Acceptable 0.0 0.0 0.0 0.0 0.0
07/16/2016 4 Acceptable 0.0 0.0 0.1 0.0 0.1
06/18/2016 6 Acceptable 0.0 0.0 0.0 0.0 0.0
05/21/2016 122 Beach Advisory 0.0 0.0 0.0 0.0 0.0

Entero Count (fecal indicator) and Rainfall Correlation

12 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 the Hudson River near where the receiving water from the Germantown wastewater treatment plant enters the Hudson. These samples are collected by Roe Jan watershed residents and processed by the Bard Water Lab. Site photo credit: Kaare Christian.

Agencies Responsible:

Columbia County Dept. of Health: (518) 828-3358; NYSDEC Region 3: 845-256-3000

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