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Dr. Mark Nelson testing
the pilot WWG systems
in the Biosphere 2

The Biosphere 2 project
used WWG to recycle al
its wastewater

Pilot WWG at Biosphere
2 - Laboratory for
Global Ecology

Eminent ecologist,
Prof. H.T. Odum advised
on the initial research

 
The history of Wastewater Gardens®

Who developed the technology?
Dr. Mark Nelson working in collaboration with the Planetary Coral Reef Foundation (PCRF U.S.) and the eminent systems ecologist, Prof. H.T. Odum of the Center for Wetlands at the University of Florida, developed this innovative approach to wastewater treatment.

Where was it initially tested?

Wastewater Gardens® were used in the world’s first laboratory for global ecology, Biosphere 2, a 1.2 hectare (3.15 acre) materially closed facility near Tucson, Arizona. There working with scientists from NASA, constructed wetlands were developed for the Biosphere 2 Test Module in 1987, and for the closure experiments in Biosphere 2 from 1991-1994.

Dr. Mark Nelson, one of the pioneers of Wastewater Gardens® was a member of the eight person “biospherian” crew for the first two year closure experiment, in 1991-1993. During this period, in the enclosed systems of Biosphere 2, Dr. Nelson was able to conduct intensive research on the effectiveness of the systems.

Detailed research was then conducted on the Wastewater Gardens® systems constructed along the coast of the Yucatan, in southeastern Mexico, and the results critically checked by University of Florida scientists. These Wastewater Gardens® systems prevented pollution damage to off-shore coral reefs, using 3-4 square meters of wetland per full-time resident.

Are subsurface flow wetlands an approved system?
Subsurface flow wetlands have been reviewed and approved by the United States Environmental Protection Agency and by many European regulatory bodies. Tens of thousands of constructed wetlands have now been built all over the world.
How many Wastewater Gardens® have been installed to date?

Today, there are more than a hundred and fifty Wastewater Gardens® in the United States, Mexico, Belize, the Bahamas, Poland, France, the Philippines, Indonesia and Australia. Wastewater Gardens® advanced design, raises artificial wetlands to a complete system that has been extensively tested and successfully applied over the past several decades worldwide.

Wastewater Gardens® owners have expressed great satisfaction with the quality of the water effluent, the beauty of the Wastewater Gardens® and the simplicity of maintenance of the system.

 
 
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