Herndon said one of the options that will probably be retained is groundwater pumping, where contaminated water is taken out of the ground, treated and then put back in the ground. The Orange County Water District is tasked with determining the extent of the pollution, and containing it before more drinking water wells need to be shut down and contaminants spread to the principal aquifer, which is directly pumped by production wells for drinking water. “Unfortunately, those historical industries and activities have this legacy effect of still causing contamination problems through today.” “Any area with a large amount of industrial activity, especially when it comes to machining, metalworking or military purposes, all of which kind of play a role in Orange County’s history, used a pretty significant amount of chemicals back before their disposal was particularly well-regulated,” Chapman University chemistry professor Christopher Kim said. But some has become contaminated from industrial manufacturing because harmful chemicals that weren’t properly disposed of seeped down into the ground. More than 70% of the water served in Orange County is from groundwater. Underneath Orange County is a hidden arterial highway that groundwater moves through before eventually finding its way into homes.
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