Multiple Treatment System for Phosphorus Removalby James T. Wulliman, Muller Engineering Co, United States,
Mark Maxwell, Muller Engineering Co, United States,
William E. Wenk, Muller Engineering Co, United States,
Ben Urbonas, Muller Engineering Co, United States,
Abstract: Detention ponds, wetlands, and infiltration basins have each been shown to reduce constituent loads carried by urban stormwater, including phosphorus. Design recommendations are presented for a system using a combination of these three treatment mechanisms to achieve at least a fifty percent reduction in total phosphorus load. Information is presented relating phosphorus load and control strategies to the extent of development in the upstream basin. Techniques for assessing overall phosphorus removal and guidelines for designing detention ponds and wetland/infiltration areas for water quality treatment are presented. Also addressed are considerations involved in integrating such a project into a natural prairie landscape and creating diversity in the wetland zones.
Subject Headings: Recharge basins | Detention basins | Phosphorus | Retention basins | Wetlands (fresh water) | Load factors | Stormwater management
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