The Insurance Services Office, Inc. (ISO) rates fire departments based on three factors: 1) the available water supply, 2) fire alarm and communication systems, and 3) fire fighting capabilities. A rating of 1 indicates the lowest risk of structural damage due to a fire; a rating of 10 indicates the highest risk.
A new hauled water provision allows an improved rating if an agency is able to supply at least 250 gallons per minute for two hours. Gold Ridge performed at 600 gallons per minute for two hours using 14 water tenders, including those provided by surrounding agencies. As the first agency in