‘Shade balls’ in L.A. reservoir may look silly, but they’ll save the city 300 million gallons of water a year

A mesmerising and fascinating sight but with the simple purpose of preventing loss of water through evaporation.

National Post

California is experiencing one of its most severe droughts on record, and its local municipalities have an astounding strategy to save water: turn their reservoirs into massive, floating ball pits.

During the past couple years, cities across the state have dumped millions of “shade balls” — black, plastic balls weighted down with water — into their reservoirs.

The result is a terrifyingly hypnotic scene: a barreling barrage of black balls that just never seems to end.

The tactic prevents the chlorine in the water (used to disinfect it from pathogens) from reacting with sunlight to become bromate, a suspected carcinogen. It also protects water sources from wildlife and blocks it from the sun to reduce evaporation.

AP Photo/Damian Dovarganes AP Photo/Damian Dovarganes

Los Angeles officials estimated at a news conference that shade balls will save somewhere around 300 million gallons of water each year. Of course, that’s nothing compared with the 13.6 billion…

View original post 151 more words

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s