Mill Fire (2012): burned area, damage and fire history

Key facts

Started	July 7, 2012
Contained	July 18, 2012, after 11 days
Burned	29,526 acres 6th largest fire of 2012
Cause	Miscellaneous

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Where it burned

County

Colusa County 29,523 acres

Acres are the land the fire burned in each county and community, and places where it burned less than an acre are not listed. Communities are cities, towns and the unincorporated places the Census Bureau names, so land outside any of them is counted only in its county.

The same land, other fires

Burned before

1916 Trough Springs Fire Cause: Equipment use 6,129 acres shared
1928 Pacific Fire 15,610 acres in total · Cause: Equipment use 28 acres shared
1932 Cracker Box Fire 1,853 acres shared
1939 Fouts Spring Fire 524 acres in total · Cause: Miscellaneous 517 acres shared
1949 Unnamed fire 782 acres in total 101 acres shared
1950 Little Stoney Fire 17,367 acres in total 1,554 acres shared
1975 Fouts Fire 2,546 acres in total · Cause: Debris burning 2,502 acres shared
2001 Trough Fire 24,927 acres in total · Cause: Miscellaneous 54 acres shared

Burned again

2014 Lakeview Fire 24 acres shared
2018 Ranch Fire 410,202 acres in total · Cause: Miscellaneous 15,563 acres shared
2020 Nail Fire 15 acres in total 4 acres shared

Acres are the land each fire shares with the Mill Fire, and fires that shared less than an acre are not counted. Some older or smaller fires may be missing, and a fire perimeter can include unburned patches. How to read fire history

Sources

Fire history: CAL FIRE Fire and Resource Assessment Program; Published 28 July 2026
Building damage: CAL FIRE Damage Inspection; Updated 19 October 2026

This site is independent and not affiliated with CAL FIRE or the CPUC, so for an official determination, check with the agency or your city or county. How we read the data