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L.A. prepares massive water-conservation plan
Rich Connell, Los Angeles Times
The initiative would punish water wasters and limit such activities as watering lawns and washing vehicles. And it would revive a controversial effort to recycle sewage water.
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With vital and often-distant water sources shrinking, Los Angeles officials today will revive a controversial proposal to recycle wastewater as part of a plan to curb usage and move the city toward greater water independence.
The aggressive, multiyear proposal could do much to catch the city up to other Southern California communities that have launched advanced recycling programs.
Mayor Antonio Villaraigosa’s effort could cost up to $2 billion and affect a wide range of daily activities. For example, residents would be urged to change their clothes’ washers, and new restrictions would be placed on how and when they could water lawns and clean cars.
Financial incentives and building code changes would be used to incorporate high-tech conservation equipment in homes and businesses. Builders would be pushed to install waterless urinals, weather-sensitive sprinkler systems and porous parking lot paving that allows rain to percolate into groundwater supplies.
(15 May 2008)
Water and energy are closely connected. It takes lots of energy to store, process and deliver water — especially drinking water. Conversely, water is used in the generation of power. -BA
Los Angeles Eyes Sewage as a Source of Water
Randal C. Archibold, New York Times
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. The other plans include increasing fines for watering lawns during restricted times, tapping into and cleaning more groundwater, and encouraging businesses and residents to use more efficient sprinklers and plumbing fixtures.
The move comes as California braces for the possibility of the most severe water shortages in decades.
Snowfall in the Sierra Nevada, which supplies about a third of Los Angeles’s water, is short of expectations. At the same time, the Western drought has lowered supplies in reservoirs, while legal rulings to protect endangered species will curtail water deliveries from Northern California.
(16 May 2008)
South California Faces Summer Power Challenge
Bernard Woodall, Reuters via Planet Ark
Southern California’s electricity system will be challenged this summer, and power emergencies may result if an extended drought leads to massive wildfires, the main US electricity reliability watchdog said on Wednesday.
Southern California is the area that most concerns analysts at the North American Electric Reliability Corp (NERC), which on Wednesday issued its summer 2008 outlook.
Of Southern California, NERC said, “capacity margins will remain tight. Significant amounts of imported power are required to fortify capacity margins and preserve reliability, resulting in heavily loaded transmission lines into this area during peak conditions.
(15 May 2008)
