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  "path": "/2026/04/21/tesla-lithium-refinery-toxic-metals-wastewater-texas/",
  "publishedAt": "2026-04-22T00:25:59.000Z",
  "site": "https://electrek.co",
  "tags": [
    "News",
    "battery swap",
    "home battery",
    "lithium",
    "Tesla",
    "Tesla Gigafactory Texas",
    "texas",
    "more…"
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  "textContent": "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.\n\nThe 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.\n\nmore…",
  "title": "Tesla lithium refinery discharge contains toxic metals, drainage district demands halt"
}