Simple drainage swale in 5 foot planting strip with 3:1 side slopes. Assumes 1% street gutter grade. Swale captures and inflitrates smaller events. Overflow to catchbasin allows storage for up to 2 inch rainfall and inflitration in tree or shrub area. In and out curb cuts take runoff from residential streets to the swale and holding system. Every 400 feet or so, could add a drywell for extra disposal. #bioswales #disposal #Green #infiltration #infrastructure #sedimentation #solutions #storage #storm #swales #treatment
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