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The Town Lake Park water quality wet pond is located in the northwest quadrant of the Palmer Events Center. The pond collects, treats, and detains stormwater runoff from approximately 18.3 acres of the site which includes the following areas: Palmer Community Events Center building (rooftop runoff), parking garage, parking and drive area near the Doherty Arts Center, the children’s outdoor arts center, the open meadow inside the large oval sidewalk, and the area in the immediate vicinity of the pond.
Identified as public land (approx 16 acres) within the West Bouldin Creek watershed, Doucet provided water quality, erosion control, and low storm intensity flood control to the creek and riparian corridor. The Best Management Practices (BMP) consisted of a channel runoff diversion structure, a sedimentation/extended detention pond, and a downstream level spreader with a ½-acre vegetative filter strip prior to discharging flow back into West Bouldin Creek
Working with the Parks and Recreation Department, Doucet provided engineering services for a previous landfill site bounded by Town Lake to the north, Mopac Expressway to the east, Stratford Drive to the south, and Eanes Creek to the west. Doucet performed the following: Hydrologic & Hydraulic Analysis for the contributing drainage area upstream of the project site Channel Improvements Design to convey runoff using 6” Conlock with vegetation infill and covered with biodegradable soil retention blankets Liner System Design using Geomembrane EPDM Rubber Liner for the new channel Bank Stabilization development using vegetated reinforced soils, vegetation planting, soil retention blanket, rock riprap, limestone blocks and AKWARDRAIN for Eanes Creek.
