Overview
- The leak was reported near Sienna Parkway at Bees Passage and McKeever Road, and hazmat teams with the Missouri City Fire Department are monitoring air quality.
- Authorities closed Sienna Parkway from Sienna Ranch Road to Steep Bank Trace and directed drivers to follow detours and avoid the area.
- The city advised alternate routes that include Steep Bank to McKeever Road, access to FM 521 via Sienna Parkway, and McKeever to Knight Road.
- City officials attributed the leak to a construction crew working nearby, though that cause is still being developed.
- Officials offered differing explanations about wind conditions, with one report citing favorable winds and another citing unfavorable winds in connection with the no-evacuation decision.