Water Quality > Tributary and Waterfront Data > Esopus Creek > Lake Katrine- Sawkill Creek tributary

Lake Katrine- Sawkill Creek tributary

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

30 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.

QualityRain, day of (in)Prior Day2 Days Prior3 Days Prior Rain4 Days Total Rain
10/11/2018488Beach Advisory0.
09/06/2018345Beach Advisory0.
08/09/2018>2420Beach Advisory0.
07/12/2018308Beach Advisory0.
06/07/2018461Beach Advisory0.
10/12/2017461Beach Advisory0.
09/07/2017613Beach Advisory0.
08/10/2017145Beach Advisory0.
07/06/201763Beach Advisory0.
06/08/2017128Beach Advisory0.
09/15/2016134Beach Advisory0.
08/18/2016135Beach Advisory0.
07/14/2016727Beach Advisory0.
06/16/2016125Beach Advisory0.
10/30/2015144Beach Advisory0.
05/29/2015105Beach Advisory0.
10/24/2014260Beach Advisory0.
08/22/2014548Beach Advisory0.
07/18/201462Beach Advisory0.
05/23/201477Beach Advisory0.

Entero Count (fecal indicator) and Rainfall Correlation

30 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 trained by Riverkeeper, and processed on the Riverkeeper vessel, according to the 2014 Quality Assurance Project Plan.

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 at a fishing access point on the Sawkill Creek near where it joins the Esopus Creek. The Sawkill Creek drains a mostly forested watershed which also contains some wetland areas.

Agencies Responsible:

Ulster County Dept. of Health: 845-340-3010; NYSDEC Region 3: 845-256-3000

Keep the Hudson River flowing!
Become a Member