"The fire’s rapid early growth and the large number of personnel (up to 177) required to manage it highlight the significant resource commitment needed for high‑risk wildfires in Colorado’s mountainous terrain."
The 310 wildfire, located 1 mile east of Battlement Mesa in Garfield County, Colorado, was first reported on August 6, 2026. By August 7 it had grown to 331 acres and was 0% contained, with 27 personnel on the scene and an estimated cost of $90,000. The fire expanded rapidly to 600 acres later that day, and by 10:20 PM the same day it had reached 603 acres, 0% containment, and 53 personnel, with costs rising to $1,500,000. Over the next few days the fire size stabilized around 603 acres while containment improved steadily: 19% by August 9, 47% by August 9 evening, 65% by August 11, 76% by August 12, and 96% by August 15. Personnel peaked at 177 on August 9 and gradually decreased to 11 by the time the fire was declared 100% contained on August 20, with a final estimated cost of $2,848,745.
Official source description: 1 Miles E from Battlement Mesa, CO
Minimal; Smoldering; Creeping
Good air quality. Outdoor activity is generally safe near this incident.
Nearest reporting station: Colorado River Valley. Source: AirNow.gov (EPA).
The fire is now 100% contained and behavior is minimal; standard wildfire safety precautions still apply, but no evacuation or immediate danger is expected.
IRWIN ID: {D345FFB1-CB91-48BF-B6D5-7F7C4F562570}
Discovered: Aug 6, 2026
Cause: Human
Est. Cost to Date: $2,848,745
Coordinates: 39.4445, -107.984
Other wildfires that have recently been contained or dropped from official tracking in CO.
The 310 Fire has burned 603 acres as of August 20, 2026.
Yes, the 310 Fire is fully contained (100%).
The official cause has been listed as: Human.
The 310 Fire is burning in Garfield, CO.
No, the 310 Fire is no longer listed as active by NIFC.
Real-time map, acreage, and containment for every major U.S. wildfire, updated from official NIFC data.
View Live Map →