Assessing Watershed Scale Responses to BMP Implementation - Fairfax County, VA -
Best Management Practice (BMP) Implementation & Planning
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Transcript of Best Management Practice (BMP) Implementation & Planning
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Best Management Practice (BMP) Implementation &
Planning
Randy Vogel (AES Ecologist/IL Branch Manager)
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Nature is the Best BMP• During presettlement times nature was the
best BMP. Nature’s natural “Treatment Train” processes improved water quality, reducing flooding, and provided open space for diverse fauna and flora.
1840 Public Land Survey Map of Algonquin Area
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Nature’s Stormwater Treatment Train
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How do BMPs Address Watershed Issues?• Today, our landscape is highly altered requiring our innovative BMP approaches to
mimic nature’s treatment train process and address watershed issues. General Watershed Issues1) Improve Water Quality2) Reduce Flooding3) Preserve and Enhance Open Space for Natural & Designated Infiltration
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What types of BMPs Best Address Watershed Goals?
• Detention Basin Retrofits• Rain Gardens• Streambank Restoration• Wetland Restoration• Native Plant Buffers Along Streams and
Open Space • Greenways Protection and Enhancement
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Precipitation
Naturalized Detention
Basin
Bio-SwaleRain
Garden
Buffers Treatment Wetland
The Urban Stormwater Treatment Train
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Benefits:
• First Stage of filtering and flood protection
• Deep rooted native plantings enhance infiltration
Rain Gardens
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Benefits:
• Collects water from hard surfaces such as roads and driveways
• Filters and moves water to ponds and treatment wetlands
Bio-Swales
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Benefits:
• Deep rooted grasses and forbs absorb and infiltrate water
• Wildlife habitat
Algonquin Water Treatment Plant Buffer
Buffers
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Benefits:
• Provide breakdown of nutrients and pollutants in the water
• Control flooding
• Creates habitat
Award winning Arquilla Detention Basin Naturalization in Algonquin
Naturalized Detention Basins
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Benefits:
• Provide additional breakdown of nutrients and pollutants in the water
• Control flooding
• Creates habitat
Treatment Wetlands
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Existing Open Space in Algonquin
Kingsbrook Crossing
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Village BMP Projects
Arquilla Detentio
n
Water Treatment Plant
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Village BMP Projects
Countryside Detention Naturalization
Yellowstone Detention Naturalization
Management along Woods Creek Corridor
Native Plant Buffers at Treatment Plant
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Village BMP Projects
Management at Arbor Hills-Stonegate Wetland
Management at Arbor Hills-Oak leaf Wetland
Ratt Creek
Restoration