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

Lake Katrine- Sawkill Creek tributary

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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

59 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
08/06/2024 1986 Beach Advisory 0.4 0.1 0.3 0.1 0.9
07/09/2024 >2420 Beach Advisory 0.1 0.1 0.1 0.0 0.2
06/04/2024 2420 Beach Advisory 0.7 0.2 0.4 0.2 1.6
05/14/2024 24 Acceptable 0.2 0.4 0.0 0.1 0.6
10/03/2023 49 Acceptable 0.0 0.0 0.2 0.1 0.3
09/12/2023 240 Beach Advisory 0.0 0.0 0.0 0.2 0.2
08/08/2023 1986 Beach Advisory 0.0 0.0 0.1 0.1 0.2
07/18/2023 1300 Beach Advisory 0.0 0.0 0.9 0.1 1.0
06/06/2023 126 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/23/2023 20 Acceptable 0.0 0.0 0.4 0.1 0.6
10/04/2022 10 Acceptable 0.0 0.0 0.0 0.0 0.0
08/02/2022 330 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/12/2022 159 Beach Advisory 0.0 2.0 1.0 0.1 3.1
06/01/2022 397 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/03/2022 16 Acceptable 0.0 0.0 0.3 0.4 0.8
10/14/2021 116 Beach Advisory 0.0 0.0 0.5 0.6 1.1
08/12/2021 687 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/10/2021 345 Beach Advisory 0.0 0.0 0.3 0.0 0.3
05/13/2021 26 Acceptable 0.0 0.0 0.0 0.0 0.0
10/15/2020 111 Beach Advisory 0.0 0.0 0.7 0.0 0.7
09/17/2020 108 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/20/2020 411 Beach Advisory 0.0 0.0 0.1 0.0 0.1
07/23/2020 328 Beach Advisory 0.0 0.0 0.0 0.1 0.1
06/30/2020 1203 Beach Advisory 0.1 0.0 0.0 0.3 0.4
10/10/2019 250 Beach Advisory 0.0 0.0 0.1 0.7 0.8
09/12/2019 2420 Beach Advisory 0.2 0.0 0.0 0.0 0.3
08/08/2019 1553 Beach Advisory 0.0 0.0 0.2 0.0 0.3
07/11/2019 1414 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/13/2019 770 Beach Advisory 0.2 0.0 0.2 1.0 1.4
05/09/2019 52 Acceptable 0.0 0.0 0.4 0.1 0.4
10/11/2018 488 Beach Advisory 0.0 0.0 0.0 0.1 0.1
09/06/2018 345 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/12/2018 308 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/07/2018 461 Beach Advisory 0.0 0.0 0.0 0.3 0.3
05/10/2018 44 Acceptable 0.0 0.0 0.0 0.0 0.0
10/12/2017 461 Beach Advisory 0.0 0.0 0.0 0.7 0.7
09/07/2017 613 Beach Advisory 0.1 0.0 0.1 0.0 0.2
08/10/2017 145 Beach Advisory 0.0 0.0 0.1 0.2 0.3
07/06/2017 63 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/08/2017 128 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/11/2017 22 Acceptable 0.0 0.0 0.0 0.0 0.0
10/13/2016 24 Acceptable 0.0 0.0 0.0 0.0 0.0
09/15/2016 134 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/18/2016 135 Beach Advisory 0.1 0.0 0.0 0.0 0.1
07/14/2016 727 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/16/2016 125 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/19/2016 22 Acceptable 0.0 0.0 0.0 0.0 0.0
10/30/2015 144 Beach Advisory 0.0 0.0 1.4 0.0 1.4
09/25/2015 17 Acceptable 0.0 0.0 0.0 0.0 0.0
08/28/2015 8 Acceptable 0.0 0.0 0.0 0.0 0.0
07/24/2015 18 Acceptable 0.0 0.0 0.0 0.0 0.0
06/26/2015 52 Acceptable 0.0 0.0 0.0 0.4 0.4
05/29/2015 105 Beach Advisory 0.0 0.0 0.3 0.0 0.4
10/24/2014 260 Beach Advisory 0.0 0.0 0.2 0.5 0.7
09/13/2014 12 Acceptable 0.0 0.0 0.0 0.0 0.0
08/22/2014 548 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/18/2014 62 Beach Advisory 0.0 0.0 0.2 0.7 0.9
06/23/2014 27 Acceptable 0.0 0.0 0.0 0.0 0.0
05/23/2014 77 Beach Advisory 0.1 0.0 0.0 0.0 0.1

Entero Count (fecal indicator) and Rainfall Correlation

59 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

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