U.S. Environmental Protection Agency report, including examples of successful applications.

Conversion of a traditional stormwater conveyance into an open water body, tidal mud flats, salt-marsh planting and associated fringing terrestrial vegetation.

Information about constructed wetlands for wastewater treatment, primarily in Italy. Company offers consulting services in planning natural systems for wastewater treatment.

About constructed wetlands for small-flow wastewater treatment. Lissom Earth Sciences demonstration site in Eastern Ontario is available for educational visits.

Pilot study in Southern California investigating the potential for constructed wetlands to improve water quality in the river and the Salton Sea. Photos, monitoring data, and other information.

Pima County and the University of Arizona.

A project describing stormwater from a hospital area that is purified using a pond system.

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.

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.

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.

A site devoted to wastewater treatment, both secondary equipment and constructed wetlands. Q&A about wetlands and copies of selected papers presented on wetland treatment.