 Recent parkland expansion and multimillion-dollar green infrastructure developments (2011, 2013) managed through the Piedmont Park Conservancy are designed to improve Clear Creek's water quality and enhance biodiversity.Educational signage along the waterway offers information about the importance of healthy watershed systems.Comprising approximately 3,086 acres and having a maximum overflow capacity of approximately 5,060 million gallons per day (mgd), the Clear Creek CSO Facility serves the largest combined sewershed of the City’s seven CSO facilities, and includes the Downtown Business District and Midtown Atlanta.