Water Quality
Water Quality > Tributary and Waterfront Data > Wallkill River > Unionville- Nat’l Wildlife Refuge boat & fishing

Unionville- Nat’l Wildlife Refuge boat & fishing

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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

60 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
08/08/2024 2420 Beach Advisory 0.6 0.3 0.2 0.0 1.0
07/11/2024 411 Beach Advisory 0.2 0.0 0.0 0.0 0.2
06/06/2024 168 Beach Advisory 0.2 0.0 0.0 0.0 0.2
05/16/2024 89 Beach Advisory 0.2 0.3 0.1 0.0 0.6
10/05/2023 70 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/14/2023 613 Beach Advisory 0.0 0.4 0.0 0.5 0.9
08/10/2023 461 Beach Advisory 0.0 0.0 0.0 1.1 1.1
06/08/2023 10 Acceptable 0.0 0.0 0.0 0.0 0.0
05/25/2023 53 Acceptable 0.0 0.0 0.0 0.0 0.0
10/18/2022 210 Beach Advisory 0.0 0.4 0.0 0.0 0.4
09/15/2022 89 Beach Advisory 0.0 0.0 0.5 0.0 0.6
08/09/2022 387 Beach Advisory 0.0 0.2 0.0 0.0 0.3
06/23/2022 43 Acceptable 0.0 0.0 0.0 0.0 0.0
05/10/2022 37 Acceptable 0.0 0.0 0.0 0.5 0.5
10/13/2021 42 Acceptable 0.0 0.0 0.0 0.1 0.1
09/07/2021 373 Beach Advisory 0.0 0.0 0.1 0.0 0.1
08/10/2021 488 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/06/2021 387 Beach Advisory 0.0 0.0 0.0 0.1 0.1
06/08/2021 93 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/11/2021 1120 Beach Advisory 0.0 0.0 0.0 0.0 0.0
10/13/2020 387 Beach Advisory 0.4 0.3 0.0 0.0 0.7
09/15/2020 1300 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/21/2020 169 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/15/2020 261 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/14/2019 1120 Beach Advisory 0.0 0.0 0.1 0.0 0.1
08/10/2019 687 Beach Advisory 0.0 0.0 0.3 0.4 0.7
06/15/2019 921 Beach Advisory 0.0 0.0 0.2 0.0 0.2
05/11/2019 87 Beach Advisory 0.0 0.1 0.0 0.0 0.1
09/08/2018 1120 Beach Advisory 0.0 0.0 0.6 0.0 0.6
06/09/2018 1203 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/12/2018 345 Beach Advisory 0.2 0.0 0.3 0.0 0.5
10/14/2017 1414 Beach Advisory 0.0 0.0 0.2 0.1 0.3
09/09/2017 1203 Beach Advisory 0.0 0.0 0.1 0.5 0.5
05/13/2017 50 Acceptable 0.3 0.0 0.0 0.0 0.3
10/15/2016 111 Beach Advisory 0.0 0.0 0.1 0.0 0.1
09/17/2016 159 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/20/2016 365 Beach Advisory 0.0 0.0 0.0 0.0 0.1
07/16/2016 816 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/18/2016 192 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/21/2016 159 Beach Advisory 0.0 0.0 0.0 0.0 0.0
09/26/2015 240 Beach Advisory 0.0 0.0 0.0 0.0 0.0
08/29/2015 488 Beach Advisory 0.0 0.0 0.0 0.0 0.0
07/25/2015 461 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/27/2015 687 Beach Advisory 0.0 0.0 0.0 0.0 0.0
05/30/2015 687 Beach Advisory 0.0 0.0 0.0 0.0 0.0
11/01/2014 345 Beach Advisory 0.1 0.0 0.0 0.1 0.2
09/27/2014 1120 Beach Advisory 0.0 0.0 0.1 0.0 0.1
07/26/2014 1986 Beach Advisory 0.0 0.0 0.0 0.0 0.0
06/28/2014 349 Beach Advisory 0.0 0.0 0.0 0.2 0.2
05/31/2014 48 Acceptable 0.0 0.0 0.0 0.0 0.0
10/26/2013 24 Acceptable 0.0 0.0 0.0 0.0 0.0
09/28/2013 42 Acceptable 0.0 0.0 0.0 0.0 0.0
08/24/2013 479 Beach Advisory 0.0 0.0 0.2 0.0 0.2
07/27/2013 83 Beach Advisory 0.0 0.0 0.0 0.0 0.0
10/27/2012 218 Beach Advisory 0.0 0.0 0.0 0.0 0.1
09/29/2012 794 Beach Advisory 0.0 1.0 0.1 0.0 1.1
09/01/2012 36 Acceptable 0.0 0.0 0.0 0.0 0.0
07/28/2012 1300 Beach Advisory 0.0 0.0 1.0 0.0 1.0
06/30/2012 39 Acceptable 0.0 0.1 0.0 0.0 0.1
05/26/2012 121 Beach Advisory 0.2 0.0 0.0 0.0 0.2

Entero Count (fecal indicator) and Rainfall Correlation

60 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 fishing and boating access point is located in the Wallkill River National Wildlife Refuge, which borders a 10-mile stretch of the Wallkill River along the New York-New Jersey border. Immediately downstream of this point, the Wallkill River enters the Black Dirt agricultural region, where it is artificially straightened and its watershed is drained by manmade channels.

Agencies Responsible:

Orange County Dept. of Health: 845-291-2331; NYSDEC Region 3: 845-256-3000

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