Saving Ivanhoe Reservoir with 400,000 balls

They are not pouring these black balls for fun but to protect water from high level of bromate, forms when chlorine reacts with bromide in sunlight, which is harmful for health. The Department of Water Protection discovered this problem in 2007 in Los Angeles’s Ivanhoe Reservoir.

They’ve already started to build a new underground reservoir to save water in Griffith Park, but while its being constructed they came with an idea to save water from sunlight by pouring the 400,000 polyethylene made black balls.

The 102-year-old facility serves about 600,000 people downtown and in South Los Angeles.

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