Water inputs for dairy products outlined by Mother Jones

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It takes 50 gallons of water to produce 2 ounces of cheese, according to Mother Jones' article.

The Mother Jones website posted a detailed info-graphic to compare the water footprint of milk, other dairy products and dairy alternatives, like soy milk and almond milk.

Reporters Julia Lurie and Alex Park gleaned data for the story from, among other sources, a post in the UC Alfalfa & Forage News Blog titled Alfalfa benefits wildlife and the environment, in addition to its economic value, written in May 2013 by Rachael Freeman Long, UC Cooperative Extension advisor in Yolo County, and Daniel Putnam, UCCE specialist in the Department of Plant Sciences at UC Davis.

The Mother Jones article noted that alfalfa hay is a superfood of sorts for dairy cows — it's high in protein, high in energy and it's digestible.

"When you feed alfalfa, you produce more milk," Putnam and Long wrote in the blog post. "That's the bottom line. The next time you have pizza (with cheese), milk on your cereal, or ice cream, thank alfalfa."

The Mother Jones' info-graphic says it takes 683 gallons of water to produce one gallon of milk.

Posted on Tuesday, March 11, 2014 at 9:33 AM

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