Welcome to the bioswale information page. ACBA work sessions in the bioswale usually happen on the
last Sunday of the month (with exceptions to schedule around boathouse events).
See Bioswale Work Sessions summaries for 2025 here End of Season Summary 2025
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EARTH DAY every day
Bioswale Work Sessions 2026
Ready for 2026?
2025 Summary Report
Would you like to join too?
SIGN UP HERE
Got questions? Here's who to ask:
Mary Ellsworth (marysellsworth@gmail.com)
Jim Smailes (jasmailes@gmail.com)
THANKS EVERYONE!

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Love our Volunteers!
🪓 ⛏️ 🪚 🪛 ⚒️
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Typical tasks for bioswale work sessions:
Remove invasive species
Pick up recyclables & trash
Clear & mulch around shrubs and tree fences
Plant new trees, shrubs or herbaceous plants
Move driftwood
Volunteers - it helps to bring tools such as pickaxes, rakes, clippers or sturdy trowels.
Remember to bring water, hats, gloves, long pants and protective footwear.
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WORK SESSION DATES 2026
Bioswale Work Sessions ACBA Programs by month - 10+ volunteers each
March
Saturday, April 25 - AWS EARTH DAY 11-1pm
May
June
July
August
September
Sunday, October 25 - American Univ, 9:30-noon
Sunday, November 8 - NCAWPA, 9:3-noon
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Tool Donations
Thanks to Andy Sohn for the donation of a small chainsaw!
THANKS to ACBA for providing two big wheelbarrows.
THANK YOU to Gonzaga Parents for providing the Bioswale Tool Shed!
THANK YOU to JoAnn Andriko for donating trenching shovels and a pick axe!
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Kudos to the volunteers who keep the edge of our river healthy and looking beautiful!
We have truly the most amazing volunteers! 
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