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One contamination plume under Orange County, CA Graphic: Orange County Water District
By Natasha Lasky, ODP Staff Writer
Over 70% of the drinking water in Orange County, Californiacomes from groundwater. But historic manufacturing nearby has polluted it due to the improper discarding of toxic chemicals.The LA Times reports that there are three major cleanup projects involving groundwater beneath 22 Californian cities, including Anaheim, Santa Ana, Fullerton, Tustin, Garden Grove, Orange, Villa Park, Yorba Linda, Irvine, and Placentia. The federal Superfund program is helping to find the responsible parties and it also makes other assistance possible. According to the EPA, the underground aquifer is a “critical water resource” that supplies drinking water for 2.4 million people.
Why this Matters: The problem of water contamination is more widespread than most Americans realize. Orange County runs the largest water purification system in the world because of its dependence on groundwater. The county must ensure that the contamination does not reach the main aquifer or even drinking wells, which is hard because it’s underground. Industrial activity throughout the 20th century, before waste disposal for military manufacturing and metalworking was regulated, continues to cause problems today. The district has to test drinking water wells regularly for all varieties of chemicals, but so far they are staying ahead of the contamination.
Roy Herndon, chief hydrogeologist with the water district, told the LA Times: “Getting your arms around a large groundwater plume takes many years. It’s a step-by-step process because everything is underground. You can’t see it. You have to do a lot of water well drilling and test boreholes where we collect water samples at different depths.” He continued: “The difficulty is trying to figure out where and how did the contamination get from the shallow aquifer into the principal aquifer,” Herndon said. “The sooner we can get a remedy in place, in terms of cleaning up the shallow aquifer then that will then take away the threat of how these contaminants are finding their way down into the principal.”
On Saturday, Florida Governor Ron DeSantis declared a state of emergency for Manatee County, Florida as a wastewater reservoir at the Piney Point facility was on the verge of collapsing and causing a catastrophic situation. As the New York Times reported, the reservoir holds nearly 400 million gallons of wastewater from a former phosphate mine […]
The Supreme Court handed the state of Georgia an overwhelming victory yesterday in a long-brewing water feud with the state of Florida. In the end, it boiled (bad pun) down to Florida’s inability to show its “injury” could be remedied if it received more water.
Why This Matters: Florida was its own worst enemy in the case.
By Ashira Morris, ODP Staff Writer Having a glass of clean, safe water should be as easy as turning on the tap. But that’s not what a Consumer Reports/The Guardian US investigation of tap water nationwide found. More than a third of the water they sampled had “concerning” levels of PFAS, a class of lab-created […]
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