Tesla lithium refinery discharge contains toxic metals, drainage district demands halt

Independent lab testing has found traces of hexavalent chromium — a known carcinogen — along with arsenic and elevated levels of lithium in wastewater discharged from Tesla’s nearly $1 billion lithium refinery in Robstown, Texas.

The Nueces County Drainage District No. 2, which manages the ditch receiving Tesla’s 231,000-gallon daily discharge, has issued a cease-and-desist letter demanding the company halt its wastewater flow pending further discussion.

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