ISO and Mutual Aid
Insurance Service Office (ISO) Rating
Public Protection Classification: 4
Effective Date: February 1, 2018
Feature Credit Assigned Maximum Credit
Receiving and Handling Fire Alarms 8.35% 10.00%
Fire Department 27.21% 50.00%
Water Supply 27.16% 40.00%
Divergence* -2.70%
Total Credit 64.82% 100.00%
* Divergence is a reduction in credit to reflect a difference in the relative credits for Fire Department
and Water Supply
Public Protection Classification: 4
Effective Date: February 1, 2018
Feature Credit Assigned Maximum Credit
Receiving and Handling Fire Alarms 8.35% 10.00%
Fire Department 27.21% 50.00%
Water Supply 27.16% 40.00%
Divergence* -2.70%
Total Credit 64.82% 100.00%
* Divergence is a reduction in credit to reflect a difference in the relative credits for Fire Department
and Water Supply
Mutual Aid
The Grantsburg Volunteer Fire Department has a written mutual aid agreement with the following fire departments:
City of Pine City Fire Department
City of Rush City Fire Department
Cushing Volunteer Fire Department
Danbury Volunteer Fire Department
Frederic Rural Fire Association
Jackson Township Fire Department
Scott Township Volunteer Fire Department
Siren Volunteer Fire Department
St. Croix Tribal - Hertel Fire Department
Webb Lake Volunteer Fire Department / Rescue
Webster Volunteer Fire Department.
Our mutual aid partners are willing to provide brush trucks, engines, ladder trucks, rescue squads, tenders, and personnel as requested*.
*Dependent on availability
The Grantsburg Volunteer Fire Department has a written mutual aid agreement with the following fire departments:
City of Pine City Fire Department
City of Rush City Fire Department
Cushing Volunteer Fire Department
Danbury Volunteer Fire Department
Frederic Rural Fire Association
Jackson Township Fire Department
Scott Township Volunteer Fire Department
Siren Volunteer Fire Department
St. Croix Tribal - Hertel Fire Department
Webb Lake Volunteer Fire Department / Rescue
Webster Volunteer Fire Department.
Our mutual aid partners are willing to provide brush trucks, engines, ladder trucks, rescue squads, tenders, and personnel as requested*.
*Dependent on availability
