The crash happened on Highway 180 near Belmont Avenue just before 6 am on Sunday.
That's when a vehicle fell into the water and started to sink.
Search and rescue teams went into the canal to check if anyone was in the water.
NOTE: An earlier version of this story said at least one person was killed. Authorities are now saying they cannot confirm whether anyone was injured or killed in the crash.
This story is developing and will be updated.