DENVER (CBS4) – Denver Public Works is using a new gadget that is meant to keep our water clean.

New UV light vault to help stop the spread of E. coli in Denver’s stormwater runoff. (credit: Denver Public Works)

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A video the agency posted to their Twitter page shows a concrete box in the RiNo neighborhood with UV lights that zap any E. coli in the water.

The treated water then flows into the South Platte River.

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(credit: Denver Public Works)

Public Works officials say the vault is helping the city meet its 2020 sustainability goal.

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It plans to install more of the UV lights around the city in the future.