Hazmat crews were called to a Queensgate Metropolitan Sewer District facility at the 1600 block of Gest Street Thursday night just before 11 p.m. on reports of a chemical spill.
Emergency officials believe the substance to be either a water-chlorine mixture or a bleach mixture.
No one has been reported injured. Police on the scene said no employees were inside the building where the chemicals were contained.
Along with Hazmat crews, District One and Three fire crews also reported to the scene.
Streets around the facility have been reopened to traffic.
Investigation is still underway and we will bring you updated information as it becomes available.