High Falls swimming hole

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

36 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
SortSortSortSortSortSortSortSort
10/14/2017199Beach Advisory0.00.00.00.00.1
09/09/2017548Beach Advisory0.00.00.10.50.6
08/12/20171733Beach Advisory0.51.00.00.01.5
07/08/201754Acceptable0.00.30.00.00.3
06/10/2017153Beach Advisory0.00.00.00.00.0
05/13/201747Acceptable0.10.00.00.00.1
10/15/201626Acceptable0.00.00.00.00.0
09/17/2016461Beach Advisory0.00.00.00.00.0
08/20/2016147Beach Advisory0.00.00.20.00.2
07/16/20161120Beach Advisory0.00.00.50.00.5
06/18/2016122Beach Advisory0.00.00.00.00.0
05/21/201640Acceptable0.00.00.00.00.0
10/31/2015313Beach Advisory0.00.00.00.00.0
09/26/201533Acceptable0.00.00.00.00.0
08/29/201547Acceptable0.00.00.00.00.0
07/25/201536Acceptable0.00.00.00.00.0
06/27/201557Acceptable0.00.00.00.00.0
05/30/2015108Beach Advisory0.00.00.00.30.3
11/01/20148Acceptable0.00.00.00.00.0
09/27/201477Beach Advisory0.00.00.00.00.0
08/30/2014461Beach Advisory0.00.00.00.00.0
07/26/2014147Beach Advisory0.00.00.00.00.0
06/28/2014276Beach Advisory0.00.00.00.00.0
05/31/201486Beach Advisory0.00.00.00.00.0
10/26/201310Acceptable0.00.00.00.00.0
09/28/201365Beach Advisory0.00.00.00.00.0
08/24/201335Acceptable0.00.10.00.00.1
07/27/201396Beach Advisory0.00.00.00.00.0
06/29/2013>2420Beach Advisory0.00.50.70.01.3
06/08/2013>2420Beach Advisory0.32.00.10.02.5
10/27/2012110Beach Advisory0.00.00.00.00.0
09/29/2012984Beach Advisory0.21.70.00.12.0
09/01/201245Acceptable0.00.00.00.00.0
07/28/2012361Beach Advisory0.70.00.60.01.3
06/30/201242Acceptable0.00.00.00.00.0
05/26/201251Acceptable0.00.00.00.00.1

Entero Count (fecal indicator) and Rainfall Correlation

36 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 well-known swimming hole is located just downstream of the Central Hudson hydroelectric dam. Upstream of here the Rondout corridor is more heavily influenced by agriculture.

Agencies Responsible:

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

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