Patent ID: 8110105

Claim:
A stormwater filtration system, comprising: a first treatment bay including a filtration bed, an inlet for receiving stormwater and an outlet for passing bed filtered stormwater from the first treatment bay; and a second treatment bay including at least one stormwater filtration device, an inlet for receiving stormwater and an outlet for passing filtration device filtered stormwater from the second treatment bay; a water flow system configured to direct stormwater such that at least some stormwater of a stormwater flow enters the inlet of the first treatment bay for filtration through the filtration bed, and when a flow rate of the stormwater flow exceeds a first treatment bay flow capacity at least some stormwater flow enters the inlet of the second treatment bay for filtration through the filtration device without passing through the filtration bed of the first treatment bay; wherein live plant matter is planted within the filtration bed and is exposed through an upper opening of the first treatment bay.