Answer: One of the largest water reuse projects in the world is now under construction in Southern California. It uses state of the art membrane technology to product drinking quality water from municipal sewage. You can learn about this project by going to the following website: www.gwrsystem.com. GWR stands for ground water recovery system here. Hope this helps. For your information, previous studies using conventional chemical means, such as lime clarification, have been scrapped; and this large plant will use microfiltration followed by reverse osmosis.

Return to Ask The Expert index