FLAGSTAFF, Ariz. (AP) -- The Arizona Snowbowl ski area will be able to use treated wastewater for snowmaking for the next 20 years.The Arizona Daily Sun reports the city of Flagstaff announced Friday approval to extend an agreement giving Snowbowl access to reclaimed wastewater through 2034.Snowbowl officials say they wanted a more long-term contract before borrowing or investing any money.Some water conservationists say the arrangement is a wasteful use of water.Snowbowl and Flagstaff first entered into a five-year contract in 2002. But legal challenges by area tribes and construction delays led to wastewater not being used until December 2012.Officials say the terms will remain the same. Snowbowl will be able to use up to 1.5 million gallons a day November through February.---Information from: Arizona Daily Sun, http://www.azdailysun.com/© 2014 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.