Bronx River: % Samples Achieving EPA Safe Swimming Guideline

c Bronx River: % Samples Achieving EPA Safe Swimming Guideline Samples collected by volunteers and processed by the Sarah Lawrence College Center for the Urban River at Beczak Results are based on 11-17 samples per site, collected from May-October, 2017-2018 EPA's recommended Beach Action Value (BAV) is

BR-WC 10 / Mount Pleasant- Highclere Lane 93% 7%

BR-WC 8 / Mount Pleasant- S Kensico Ave at Pat Henry Field 100%

BR-WC 7 / White Plains- Westchester County Center 100% a guideline for day-to-day beach management BR-WC 6 / Greenburgh- Greenacres Avenue 100%

BR-WC 4 / Eastchester- Bronx River Parkway at Leewood Drive 100%

BR-GS 1 / Bronxville- Sprain Brook at Palmer and Millard Ave 100% 0%

BR-WC 3 / Bronxville- Below Grassy Sprain Brook confluence 82%

BR-SWS-21 / Yonkers- Muskrat Cove outfall 92% 8%

BR-SWS-02 / Yonkers- Bronx R Pkwy btwn McLean & Wakefield 100%

BR-SWS-06 / Bronx- Burke Avenue Bridge 93% 7%

BR-SWS-11 / Bronx- River Park at 182nd Street 100%

BR-SWS-14N / Starlight Park North dock 100%

BR-SWS-16 / Hunts Point Riverside Park beach & dock 67% 33%

BR-BxR-009 / Soundview Park- HP-009 CSO outfall 73% 27%

BR-SWS-01 / Soundview Park- Mouth of river 73% 27%

% Beach Advisory (>60 cells/100 mL) % Acceptable (0-60 cells/100 mL) 2/13/19 c Bronx River: Geometric Means of Enterococcus Counts Samples collected by volunteers and processed by the Sarah Lawrence College Center for the Urban River at Beczak Results are based on 11-17 samples per site, collected from May-October, 2017-2018 The geometric mean (geomean) is a weighted long-term average

BR-WC 10 / Mount Pleasant- Highclere Lane 309

BR-WC 8 / Mount Pleasant- S Kensico Ave at Pat Henry Field 686

BR-WC 7 / White Plains- Westchester County Center 671

BR-WC 6 / Greenburgh- Greenacres Avenue 381

BR-WC 4 / Eastchester- Bronx River Parkway at Leewood Drive 337

BR-GS 1 / Bronxville- Sprain Brook at Palmer and Millard Ave 922

BR-WC 3 / Bronxville- Below Grassy Sprain Brook confluence 303

BR-SWS-21 / Yonkers- Muskrat Cove outfall 647

BR-SWS-02 / Yonkers- Bronx R Pkwy btwn McLean & Wakefield 363

BR-SWS-06 / Bronx- Burke Avenue Bridge 337

BR-SWS-11 / Bronx- River Park at 182nd Street 278

BR-SWS-14N / Starlight Park North dock 281

BR-SWS-16 / Hunts Point Riverside Park beach & dock 180

BR-BxR-009 / Soundview Park- HP-009 CSO outfall 134

BR-SWS-01 / Soundview Park- Mouth of river 116

0 200 400 600 800 1000 Entero Count (cells/100 mL) Geomean (Gray = Tributary, Blue = Tidal, Orange = Outfall) EPA Geomean Criterion (30 cells/100 mL)

2/13/19 c Entero Count (cells/100 mL) 1000 1200 1400 200 400 600 800 0 25

HIGHCLERE LN Wet Weather (0.25"+ rain) (0.25"+ Weather Wet PAT HENRY FIELD

three prior days Results are based on 11-17 samples per site, collected from May-October, May-October, 2017-2018 from collected per site, samples on 11-17 arebased Results Samples collected by volunteers and processed by the Sarah Lawrence College Center for the Urban Urban the for Center College Lawrence Sarah the by processed and volunteers by collected Samples The geometric mean (geomean) isa (geomean) mean The geometric River at River at Beczak Wet weather is defined as greater than or equal to to orequal than as greater isdefined weather Wet Geom River: Bronx

COUNTY CENTER

GREENACRES AVE 15 etric Means of etric Means Dry Weather (<0.25" rain) Miles Upstream frommouth

BRONX R PKWY LEEWOOD

weighted long-term average long-term weighted Enterococcus NR GRASSY SPRAIN BK

10 0.25" of total rainfall on the day of sampling plus sampling day of on the rainfall of total 0.25"

BRONX R PKWY YONKERS onsi e r Weather & Dry Wet Counts in EPA Geomean CriterionEPA Geomean

BURKE AV BR 5 6-11 samples samples 6-11 per site 4-8 samples samples 4-8 per site Wet weather: weather: Wet Dry weather: Dry weather:

RIVER PK

STARLIGHT

HUNTS PT 4/30/19

0 RIVER MOUTH Bronx River Enterococcus Monitoring Results Year-by-Year Comparison, 2017-2018 Samples collected by volunteers and processed by the Sarah Lawrence College Center for the Urban River at Beczak. Results are based on 51-94 samples per year, collected from May-October, 2017-2018. The geometric mean (geomean) is a weighted long-term average. Wet weather is defined as greater than or equal to 0.25" of total rainfall on the day of sampling plus three prior days.

2017 90% 10%

2018 100%

% Beach Advisory (>60) % Acceptable (0-60)

2017 231

2018 580

Geometric Mean EPA Geometric Mean Criterion

2/14/2019 Enterococcus Monitoring Results: Hudson River Watershed Snapshot Enterococcus is an indicator of fecal contamination. Bars show the geometric mean, a weighted average, of all non-tidal samples. Results are from 14-937 samples collected May-October, 2010-2018. Date ranges vary by watershed. Samples were collected and processed by a network of community scientists and labs.

Upper Hudson River 33

Mohawk River 54

Poesten Kill 83

Wynants Kill 246

Quackenderry Creek 506

Mill Creek 323

Moordener Kill 221

Catskill Creek 47

Roeliff Jansen Kill 27

Sawyer Kill 235

Esopus Creek 53

Saw Kill 38

Rondout Creek 170

Wallkill River 502

Quassaick Creek 321

Pocantico River 385

Sparkill Creek 779

Saw Mill River 369

Bronx River 420

0 200 400 600 800 1000

Entero Count (cells/100 mL)

Geometric Mean EPA Threshold (30 cells/100 mL)