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A wetland system has operated seasonally at Saginaw Township, MI, USA, for ten years. The system consists of extraction, aeration, settling, intermittent vertical sand filtration, a surface flow wetland treatment with recycle, and discharge to the Tittibawassee River. The 0.85ha cattail wetland treats the full leachate flow, with a total system detention time of 180 days. The high recycle rate creates...