Elk in Rocky Mountain National Park
 

Wildfire Hazard Ratings

Each subdivision was rated on the following criteria, with points awarded accordingly. The higher the number, the more sever the danger.

Subdivision Design
Ingress/Egress:  
   -two or more primary roads 1
   -one road 3
   -one way in/out 5
Primary Road Width:  
   -20' or more 1
   -20' or less 3
Accessibility:  
   -road grade 5% or less 1
   -road grade 5% or more 3
   -other 5
Secondary Road Terminus:  
   -loop roads or turn-arounds 45' or more 1
   -turn-arounds 45' or less 2
   -deadend roads less than 200' 3
   -deadend roads over 200' 5
Average Lot Size:  
   -more than 10 acres 1
   -between 1 and 10 acres 3
   -less than 1 acre 5
Street Signs:  
   -present 1
   -not present 5

Vegetation
Fuel Type:  
   -grass 1
   -litter beneath timber 3
   -brush 5
   -logging slash 10
Defensible Spaces Completed:  
   -more than 70% of homes 1
   -between 30% and 70% of homes 5
   -less than 30% of homes 10

Topography
Slope:  
   -0 to 10% 1
   -11% to 30% 5
   -greater than 30% 10

Fire Protection
Response Time:  
   -within 15 minutes 1
   -16 to 30 minutes 5
   -greater than 31 minutes 10
Water Source (Within Subdivision)  
   -500 gpm hydrants, less than 1000' spacing 1
   -draft location, dip site 5
   -none of above 10
Water Source (Off Site)  
   -20 minute round trip 1
   -21 to 45 minute round trip 5
   -45 minute or more round trip 10

Structure Hazard
Materials (Predominant)  
   -roof and siding, no-wood 1
   -wood siding, non-wood roof 5
   -wood roof 10
Utilities (Gas and Electric)  
   -all underground 1
   -one above, one below ground 3
   -all above ground 10

Hazard Rating Scale:

low - 0-36
moderate - 37-50
high - 51-64
severe - 65-78
extreme - 78+
Background Image: Rocky Mountain National Park by Sue Burke. All rights reserved.