Water Quality
Water Quality > Tributary and Waterfront Data > Moordener Kill > Castleton-on-Hudson- Route 9J Bridge

Castleton-on-Hudson- Route 9J Bridge

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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

7 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 84 Beach Advisory 0.0 0.0 0.0 0.0 0.1
09/09/2017 179 Beach Advisory 0.0 0.1 0.8 0.5 1.4
08/12/2017 1203 Beach Advisory 0.4 0.1 0.0 0.0 0.5
07/08/2017 2420 Beach Advisory 0.4 0.0 0.0 0.0 0.4
06/10/2017 116 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/01/2017 977 Beach Advisory 0.0 0.3 0.7 0.4 1.3
05/13/2017 34 Acceptable 0.2 0.0 0.0 0.0 0.2

Entero Count (fecal indicator) and Rainfall Correlation

7 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 study site is where the Moordener Kill, which is a medium gradient, warm water stream, with a gravelly substrate, drains its approximately 33 square miles into the Hudson River. The Moordener Kill is an important spawning and nursery area for a variety of coastal migratory fish species. A proposed pipeline route would cross the estuary marsh, a significant feeding area for the protected Atlantic Sturgeon, at the mouth of the Moordener Kill.

Agencies Responsible:

Rensselaer County Dept. of Health: 518-270-2626; NYSDEC Region 4: 518-357-2068

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