1. By: Valeria and Priscilla
Bioswales
By: Valeria and Priscilla

2. What are Bioswales?
Bioswales are long channeled depression usually in parking lots or along streets that receive rainwater runoff and have vegetation, such as grasses and herbs, and organic matter, such as mulch. The vegetation and organic matter are what slows down water infiltration and filter out pollutants.

4. Benefits of Bioswales
Protects local waterways from stormwater pollutants
Creates habitat for wildlife, including birds and butterflies,
Reduces non-point pollution by filtering stormwater
Reduces standing water (puddles) that can attract mosquitoes
Creates colorful gardens with a variety of flowers and plants year round
Requires little maintenance after establishment

5. Rain Gardens Vs Bioswales
Bioswales achieve the same goals as rain gardens by slowing and filtering stormwater
Are designed to manage a specified amount of runoff from a large impervious area
Require use of engineered soils and are deeper than rain gardens because they take in larger quantities of stormwater i

6. Best Locations
Areas that have high impervious surfaces such as roads, parking lots, or rooftops. They can also be integrated into road medians, curb cutouts, sidewalks, or any public space.

7. Cost Construction Item Cost of Conventional Development
Cost When Using LID Practices
Dollars Saved with LID
Site preparation
$2,178,500
$1,966,000
$212,500
Stormwater management
$480,910
$418,000
$62,910
Landscape development
$502,750
$316,650
$186,100
Total
$3,162,160
$2,700,650
$461,510