Restoring the water supply was a necessary step before TotalEnergies restarts the refinery, the sources said.
TotalEnergies spokesperson Tricia Fuller declined to comment on refinery operations.
The refinery was shut after a plant-wide power outage on Jan. 16, when temperatures along the Texas Gulf Coast dropped below 20 degrees Fahrenheit (minus 6.6 degrees Celsius).
Water was not available from nearby municipalities due to outages caused by frigid weather conditions, the sources said.
With the water supply restored, TotalEnergies can begin restoring steam production at the refinery, the sources said.
Steam is required in the refining process.
Once the steam supply is resumed, the refinery can begin heating refining units to operating temperatures that are required to refine crude oil into feedstocks, and later to be converted to motor fuels and petrochemicals.
