The Orange County Water District is now the world’s largest producer of purified wastewater. The district’s Groundwater Replenishment System, which began in 2008 in partnership with the Orange County Sanitation District, uses the combined processes of microfiltration, reverse osmosis and ultraviolet light to purify treated wastewater.
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Based on “Wastewater”.
EPA machinery causes major spill in Colorado
Heavy machinery the Environmental Protection Agency (EPA) used to investigate pollutants at the Gold King Mine accidentally released an estimated one million gallons of mining waste into a creek, causing the Animas River north of Silverton, Colorado to turn an opaque orange.