Water Quality > Tributary and Waterfront Data > Mohawk River > Halfmoon- Power line crossing

Halfmoon- Power line crossing

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

5 Samples taken

Sample Date [i] Enterococcus Count

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
06/17/2017 64 Beach Advisory 0.0 0.6 0.0 0.0 0.6
10/22/2016 103 Beach Advisory 0.3 0.1 0.4 0.0 0.9
09/19/2016 22 Acceptable 0.0 0.0 0.0 0.0 0.0
08/20/2016 143 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/18/2016 <1 Acceptable 0.0 0.6 0.0 0.0 0.6

Entero Count (fecal indicator) and Rainfall Correlation

5 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 near drinking water intakes on the Mohawk River, one of the sources for Latham Water District, which serves approximately 82,000 people in the Town of Colonie.

Agencies Responsible:

NYS Dept. of Health, Glens Falls District Office: 518-793-3893; NYSDEC Region 5: 518-897-1200

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