Problem Stormwater runoff can carry pollutants like sediment, oil, grease, and bacteria to streams. Stormwater runoff from portions of Fox Run Lane and Oak Creek Drive were discharging without treatment and detention to Potash Brook. Description The discharge point for the collected stormwater runoff was on a City owned lot in the neighborhood. City staff … Continue reading “Oak Creek Village Micropool”
Problem The Laurel Hill South neighborhood was constructed before the State had requirements for stormwater treatment. As a result, all stormwater runoff generated within the development flows untreated, via a pipe drainage system, to Bartlett Brook. The original drainage network was constructed using corrugated metal pipe and had reached the end of its useful life. … Continue reading “Laurel Hill South Stormwater Project”
Project Description The Hayes Avenue stormwater improvement project provides treatment of stormwater runoff and addresses stormwater permit issues for 7 homeowner associations along Hayes Avenue. When the Cardinal Woods Condos (clusters 1 through 4), Foxcroft Condos, Kinsington Court Condos, and Foxcroft Single Family Homes were originally constructed the developer obtained a single State stormwater permit … Continue reading “Hayes Avenue Stormwater Improvement Project”
Problem The Harbor Heights neighborhood was built in the 1980’s and has an expired State of Vermont Stormwater permit. Stormwater runoff generated from the development received no treatment prior to discharging to Bartlett Brook. Description In 2009 residents worked with the stormwater Utility to install stormwater treatment. The site was small and space was not … Continue reading “Harbor Heights”
Location Gregory Drive Problem Stormwater runoff from roadways can carry pollutants like sediment, oil, and grease to streams. The City of South Burlington had a State of Vermont stormwater permit for Gregory Drive and needed to improve stormwater treatment before the permit could be renewed. Description In order to come into compliance with the State … Continue reading “Gregory Drive”
Location Farrell Street Description The City of South Burlington worked with private landowners and the State of Vermont to construct this large stormwater treatment project in the Potash Brook watershed. This project included 5 different components (stormwater detention pond, bioretention area, culvert replacement, porous asphalt and a hydrodynamic swirl separator) and provides treatment for large … Continue reading “Farrell Street Stormwater Treatment System”
Location Farrell Park parking lot (off of Swift Street) Description Construction of a gravel stormwater treatment wetland to collect and treat stormwater runoff from the Farrell Park parking area. The gravel parking lot is 0.75 acres and runoff previously flowed untreated into Potash Brook. Benefit The project will reduce the amount of sediment and nutrients … Continue reading “Farrell Park Constructed Wetland”
Location Dorset Street crossing under I-89 Problem An undersized culvert was carrying Potash Brook beneath Dorset Street. In addition, adjacent stormwater runoff from the highway was flowing directly to Potash Brook without treatment. These issues were causing changes to the way that water flowed in the stream and resulted in deposition of sediment in Potash … Continue reading “Dorset Street”
Location Shelburne Road and Bartlett Bay Road, behind Shearer Chevrolet. Problem Uncontrolled stormwater runoff was causing erosion and high levels of phosphorous, nitrogen and bacteria pollution in Bartlett Brook, an impaired waterway. Description On a piece of un-buildable commercial land with a degraded stream in a culvert, a state-of-the-art stormwater treatment facility was built, transforming … Continue reading “Bartlett Brook Stormwater Treatment System”
Location Throughout South Burlington Problem Harsh winters, traffic load, and normal operation are constantly degrading the city’s stormwater system. When parts of the system fail, flooding and pollution can result. Description Crushed pipes, crumbling catch basins and other failures must be caught early in order to avoid serious consequences. Stormwater detention ponds are inspected … Continue reading “System Inspection”
