ISO Rating

Rated in the Top 4%


The Coralville Fire Department is ISO Class 2 rated. As of 2017, only 4% of all fire departments in the nation have a Class 2 rating or better.

ISO Rating Moves up the Ladder


Fire departments are analyzed by the Insurance Services Office (ISO) for the firefighting capabilities they provided, rated on a scale from 1 to 10, with 1 being the highest possible ranking.

The Coralville Fire Department has steadily upgraded its rating, achieving a Class 3 in 2009, attaining a Class 2 rating in 2013, and maintaining a Class 2 rating again in 2017.

Based on information provided by ISO in 2017, out of more than 46,000 fire departments in the country, 1,324 were classified as a 2 and only 241 were classified as a 1.
Firefighter training silhouette

ISO Rating Criteria


The Public Protection Classification is based on a numerical rating system and is weighted with:
  • Fire communications (10%): How well the fire department receives fire alarms and dispatches its firefighting resources.
  • Municipal water supply (40%): How adequate the water supply is for fighting fires.
  • Fire Department (50%): The type and extent of training provided to fire-company personnel, number of people of participating in training, firefighter response to emergencies, and maintenance and testing of the fire department's equipment

About ISO


Fire departments across the United States undergo a rating by the Insurance Services Office to analyze their municipal fire protection services. 

ISO is the leading supplier of data and analytics for the property/casualty insurance industry. Many insurers use the Public Protection Classifications for underwriting and calculating premiums for residential, commercial, and industrial properties.