water news - State let oil companies taint drinkable water in Central Valley

Oil companies in drought-ravaged California have, for years, pumped wastewater from their operations into aquifers that had been clean enough for people to drink. [...] the state allowed companies to drill more than 170 waste-disposal wells into aquifers suitable for drinking or irrigation, according to data reviewed by The Chronicle. Hundreds more inject a blend of briny water, hydrocarbons and trace chemicals into lower-quality aquifers that could be used with more intense treatment. Most o

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