"This fire is notable for its rapid containment—reaching 100% containment within 19 days of the first report—despite its relatively large size of over 1,000 acres and the significant financial resources committed."
The 3-1 PIT wildfire, located in Lassen County, California, was discovered on July 7, 2026, and is currently active under the jurisdiction of the BLM. As of the latest update on August 25, 2026, the fire has burned 1,055 acres and is 100% contained, with minimal fire behavior reported. The incident has remained steady in size since the initial report on August 6, 2026, when it was already 99% contained, and the containment percentage decreased slightly to 98% on August 14 before returning to full containment. The cause remains undetermined, and only one personnel unit has been reported on the scene. Estimated costs for the incident are $7,500,000.
Official source description: 4 Miles SE from LITTLE VALLEY, CA
Minimal
Good air quality. Outdoor activity is generally safe near this incident.
Nearest reporting station: Lassen Volcanic National Park. Source: AirNow.gov (EPA).
The fire is currently minimal in behavior and fully contained; standard wildfire safety precautions remain advised for the surrounding area.
IRWIN ID: {69DD692F-9D85-4D69-91E9-AB82AEB5AEB5}
Discovered: Jul 7, 2026
Cause: Undetermined
Managing Agency: BLM
Est. Cost to Date: $7,500,000
Coordinates: 40.9488, -121.2685
Other wildfires that have recently been contained or dropped from official tracking in CA.
The 3-1 PIT Fire has burned 1,055 acres as of August 25, 2026.
Yes, the 3-1 PIT Fire is fully contained (100%).
The official cause has been listed as: Undetermined.
The 3-1 PIT Fire is burning in Lassen, CA.
No, the 3-1 PIT Fire is no longer listed as active by NIFC.
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