Title: Shankland Drain Wetland - an Off-line Wetland for Improvement of Urban Drainage Water Quality
Abstract:The development of efficient and cost-effective ways of improving water quality in urban drainage systems for the benefit of downstream receiving waters is an important part of stormwater management s...The development of efficient and cost-effective ways of improving water quality in urban drainage systems for the benefit of downstream receiving waters is an important part of stormwater management strategies. Pollution control ponds or wetlands are becoming key features in new urban development areas. Most wetlands are located on main drainage lines. An alternative approach was developed in the City of Broadmeadows to the north-west of Melbourne, which utilised au off-line wetland to improve water quality in a major stormwater drain. Shankland Drain receives urban runoff from a developing urban area of about 340 ha before it discharges into Yuroke Creek. With areas in the catchment still undergoing development, increased sediment and nutrient loads are expected over the next few years. This paper describes the development of an off-line wetland in a confined area. The efficiency of the wetland in improving water quality during the initial period when the planted macrophytes were establishing themselves is compared with predicted efficiencies. Lower efficiencies are evident which suggests that the lack of vegetation in the wetland is the primary cause. Water quality monitoring is continuing to determine whether the substantial stands of macrophytes that have since developed will improve the efficiencies.Read More
Publication Year: 1995
Publication Date: 1995-01-01
Language: en
Type: article
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