Water Recycling - Ecological wastewater recycling system in Chatham County, North Carolina. Wastewater is cleaned for reclamation and reuse using constructed wetlands, a greenhouse containing soil filters, and an aquatic ecosystem. Marshlands - About constructed wetlands for small-flow wastewater treatment. Lissom Earth Sciences demonstration site in Eastern Ontario is available for educational visits. IRIDRA Srl - Constructed Wetlands - Information about constructed wetlands for wastewater treatment, primarily in Italy. Company offers consulting services in planning natural systems for wastewater treatment. Wetlands Research Project - Chronicle of an Advanced Placement Biology year long research project that investigated the use of constructed wetlands in the treatment of wastewater. Includes proposal, background information on wetlands, and progress reports. The Wetpark at Teknikhuset - A pond system is used to treat greywater and rainwater from a university building. The resulting water is of drinking water quality and is re-used in the building. Stormwater Purification with Biological Methods - A project describing stormwater from a hospital area that is purified using a pond system. WetlandsPacific Corp. - Features wastewater treatment, both secondary equipment and constructed wetlands. Includes questions and answers about wetlands and copies of selected papers. Located in Nanaimo, British Columbia. Federal Park Tidally-Influenced Salt Marsh Wetland - Conversion of a traditional stormwater conveyance into an open water body, tidal mud flats, salt-marsh planting and associated fringing terrestrial vegetation.