2019 State of Our Rivers: South, West, and Rhode Photo: David Sites
Arundel Rivers on the Half Shell Online Auction Starts Next Week! Tuesday, May 5 through Tuesday, May 12
Thank You! • All the volunteers who helped collect the data • Marvin Solberg and Diane McBee for their weekly summer commitment • Dr. Wayne Martin and Dr. Jenny Gunderson , our Quality Assurance Officers MOST OF ALL: To You for caring, participating, and supporting Arundel Rivers
Big Picture All Three Rivers Improved in 2019: • South +5% • West +4% • Rhode +5%
But, they did not improve in the same ways: Water Temperature Scores Improved Nutrient Scores Improved: Total Phosphorus (+12) Rhode Bottom Temperature (+10) Total Nitrogen (+11) West Bottom Temperature (+17)
52 Stations: • Clarity • Temperature • Dissolved Oxygen • pH
36 Stations: • Enterococci bacteria
Bacteria! • Sample at 21 stations (unsafe swimming >=104 cfu/100mL) • Analysis completed by Anne Arundel County Community College • Data supplemented by an additional 15 county stations If you are interested in having your community beach tested- email jesse@arundelrivers.org
3 stations: Monthly sampling • Nutrients (Total Nitrogen) (Total Phosphorus) • Total Suspended Solids (Sediment)
4 Flight Paths: • Underwater Grasses
Underwater Grasses have Returned!
Oyster Sanctuary Living Reef Shoreline Underwater Grasses
Turnbull Living Shoreline 2019
Oysters are Working Hard
idification? → Getting Back to “Basics” Acid
Ways to Help lp Our Riv ivers • Underwater Grass Hunt It will start next week! Want to paddle your creek and map where the grasses are growing? email: Jesse@arundelrivers.org • Become an Oyster Gardener Raise oysters on your own or your community’s dock • Know Your Creek! More information about individual creeks can be found at our interactive data map www.southriverdata.org
Mother Nature Remains in Charge For Annapolis: Do your 2010-17 average rainfall chores was 40.2 inches or else! 2018 = 56.7 inches 2019 = 25.4 inches 31 inches
Less Rain Meant Less Polluted Stormwater
South River Healthiest Creeks Unhealthiest Creeks 2019 2019 2019-2018 2019 2019 2019-2018 MS1 74.07 B 1.91 MS5 52.23 C 6.12 MS1A 72.9 B 3.41 Broad 53.5 C 2.73 Selby 69.97 B 4.57 MS4 56.75 C+ 4.03 MS1B 68.3 B 3.21 Church 58.76 C+ 9.5 Crab 66.75 B 6.92 Beards 59.67 C+ 8.89 Most improved from last year Least Improved (No creeks got worse!) 2019 2019 2019-2018 2019 2019 2019-2018 Little Aberdeen 63.35 B- 9.87 Glebe 65.91 B 3.36 Church 58.76 C+ 9.5 MS1B 68.3 B 3.21 Beards 59.67 C+ 8.89 Broad 53.5 C 2.73 Warehouse 59.88 C+ 8.63 Harness 62.55 B- 2.15 Pocahontas 63.54 B- 7.49 MS1 74.07 B 1.91 South
Rhode River 2019 Healthiest Creeks Score Grade Off Camp Wabanna 69.75 B Cadle Creek 68.75 B Mouth of Rhode River 68.2 B Locust Pt. Marker #7 65.8 B High Island 64.55 B- 2019 Unhealthiest Creeks Score Grade River Club Estates 59.77 C+ Sellman Creek 59.89 C+ Ponder Cove 60 B- Big Island 61.4 B- Rhode River Marina 62.27 B-
West River 2019 Healthiest Creeks Score Grade B Float-Free Channel 68.75 Parrish Creek Marker #1 68.69 B B Parrish Creek 68.33 Cheston Point 65.55 B Popham Creek 65.12 B 2019 Unnhealthiest Creeks Score Grade Fords Creek 56.18 C+ C+ Lerch Creek 57.39 C+ Johns Creek 58.31 Smith Creek 58.57 C+ LaFayette Creek 61.41 B-
River Mystery
Why are the Severn and South Rivers so much clearer than the West & Rhode?
Watershed Land Use (acres) Severn South Rhode West Total Area 44,160 36,433 8,783 7,809 Impervious 19% 12% 6% 6% Forest 32% 45% 54% 41% Agriculture 4% 15% 10% 19%
Our Job Is Is Never Done More Investigation is Needed • Active construction sites in the wrong place at the wrong time? • Soil type? More clay versus sand? • Not enough buffer near erosive sites? • Less non-tidal stream miles? • Outreach with farms?
To donate monthly • Visit www.arundelrivers.org/donate • Type in your gift amount and select your You can change or giving frequency. stop your gift at • Even $5 or $10 a month would mean the any time! world to us!
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