#[[Bioswales]] & [[Bioretention]] - long trench with gently sloping sides that collects rainwater from impermeable surfaces generally parking lots, boulevards, right-of-ways, etc.) and drains water within 24 hrs. Generally [[Graminoids: List| tall grasses]] and long grasses are planted in the middle and along the bottom part of the [[swale]] to aid in reducing the velocity of water entering the practice and to help filter out pollutants. | #[[Bioswales]] & [[Bioretention]] - long trench with gently sloping sides that collects rainwater from impermeable surfaces generally parking lots, boulevards, right-of-ways, etc.) and drains water within 24 hrs. Generally [[Graminoids: List| tall grasses]] and long grasses are planted in the middle and along the bottom part of the [[swale]] to aid in reducing the velocity of water entering the practice and to help filter out pollutants. |