20080516 NYT Los Angeles Eyes Sewage as a Source of Water

20080516 NYT Los Angeles Eyes Sewage as a Source of Water

May 16, 2008

Los Angeles Eyes Sewage as a Source of Water

By RANDAL C. ARCHIBOLD

LOS ANGELES — Faced with a persistent drought and the threat of tighter water supplies, Los Angeles plans to begin using heavily cleansed sewage to increase drinking water supplies, joining a growing number of cities considering similar measures.

Mayor Antonio R. Villaraigosa, who opposed such a plan a decade ago over safety concerns, announced the proposal on Thursday as part of a package of initiatives to put the city, the nation’s second largest, on a stricter water budget…

[…]

Many cities and towns across the country, including Los Angeles, already recycle wastewater for industrial uses and landscaping.

But the idea of using recycled wastewater, after intense filtering and chemical treatment, to replenish aquifers and reservoirs has gotten more notice lately because of technological advances that, industry leaders say, can make the water purer than tap water. San Diego and South Florida are also considering or planning to test the idea, and Orange County, Calif., opened a $481 million plant in January, without much community resistance, that is believed to be the world’s largest such facility.

[…]

It will cost about $1 billion to retool the water works to treat the sewage, capture more rainfall and make other improvements. The money, city officials said, will come in part from state grants and fees on polluters, though they have not ruled out increases in water bills as well. The City Council must approve some of the changes.

Read the entire article here: Los Angeles Eyes Sewage as a Source of Water

http://www.nytimes.com/2008/05/16/us/16water.html?ref=us