Water conservation is the most cost-effective and environmentally sound way to reduce our demand for water. This stretches our supplies farther, and protects places like Mono Lake. For example, the city of Los Angeles has grown by one million people since the 1970s, but still uses the same amount of water. Using less water also puts less pressure on our sewage treatment facilities, and uses less energy for water heating.
SAVING WATER SAVES ENERGY
Saving water also saves energy. 6.5% of the energy used in the state of California is for pumping and treating water—in fact, pumping water south (and uphill) in the State Water Project accounts for 2–3% of all the electricity used in the state. And for your personal energy bill, using less hot water saves on water heating. On the flip side, saving energy and using alternative energy saves water—electricity production from fossil fuels and nuclear energy is responsible for 39% of all freshwater withdrawals in the nation.
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