TCEQ Investigates Tesla's Lithium Refinery Wastewater Discharge in Nueces County, Texas

The Texas Commission on Environmental Quality (TCEQ) investigated Tesla's lithium refinery in Nueces County after reports of black liquid discharge, but found no permit violations, with wastewater quality within limits. Tesla is permitted to discharge up to 231,000 gallons per day, although it did not notify the local drainage district. Local officials have expressed concerns regarding environmental impacts and communication related to the discharge monitoring.

Published Mar 20, 2026

The Texas Commission on Environmental Quality (TCEQ) investigated Tesla's lithium refinery near Robstown, Texas, after complaints about black liquid discharge into a local ditch. TCEQ found no permit violations, with test results showing wastewater quality within permitted limits.

AI-curated by Theia

Tesla is allowed to discharge up to 231,000 gallons per day but did not inform the Nueces County Drainage District of its permit. The district plans to monitor discharges to protect local waterways. Tesla's site is designed to process lithium without harsh acids, producing a benign byproduct. Concerns about the environmental impact and communication have been raised by local officials.