ISO Classification Letter
Crested Butte Fire Protection District has an ISO Rating of 3/3X.
Areas of the District within 5 miles of a station and have a hydrant within 1000ft of the property are classified by IS0 3
Areas of the District within 5 miles of a station but don’t have a hydrant within 1000ft of the property are classified by IS0 3x
Areas of the District without hydrants and greater than 5 miles from a station are classified by ISO as 10
Crested Butte Fire Protection District has an ISO Rating of 3/3X.
The ISO Public Protection Classification system ranges from 10 representing no fire protection to 1 the highest level of fire protection.