UPDATE (7:10 PM): Cal Fire SLO confirmed the SueyIC Fire stayed at 17 acres and is now, 100% contained.
"We have bulldozers and hand crews working to establish containment lines," said Adan Orozco, Cal Fire SLO's public information officer. "We had several drops of retardant from the aircraft and those seem to be holding right now."
Cal Fire SLO said crews will stay on scene overnight to mop up the scene.
UPDATE (3:30): Cal Fire SLO confirmed the SueyIC Fire is now 17 acres and is 35% contained.
The agency said firefighters have made progress because forward spread has slowed down.
Firefighters are battling a vegetation fire burning off of Highway 166 east of Santa Maria.
The fire broke out along Suey Creek Road Sunday afternoon and has burned 10-15, according to Cal Fire.
Authorities say that the fire is spreading at a moderate to dangerous rate and has the potential to grow as large as 50 acres.
KSBY has a crew on the way to the scene and we will update this article as new information becomes available.