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ISO & Community Risk Reduction

A Practical Checklist for Improving Your ISO Score

Work the schedule's own four categories, not a generic "be better" list

Because the Fire Suppression Rating Schedule scores four specific areas, the most efficient improvement work targets documentation gaps inside those four areas rather than generic operational changes:

Fire department (up to 50 points) — current, accurate apparatus and equipment inventory; training records (hours, topics, attendance) actually on file, not just completed; company/staffing records that reflect real on-duty strength.

Water supply (up to 40 points) — hydrant inspection and flow-test records kept current; for departments relying on tankers/tenders rather than hydrants, documented static water supply and tanker-shuttle capability.

Emergency communications (up to 10 points) — documented dispatch procedures, call-processing time records, and (where applicable) simultaneous/alarm-handling capability.

Community risk reduction (up to 5.5 points, extra credit) — a real, documented fire-prevention/public-education program and code-enforcement/inspection activity — this is the one category departments most often underclaim simply because the activity isn't written down anywhere.

The pattern across all four

Verisk scores *documented* capability. A department that does the work but never writes it down scores the same as a department that doesn't do the work at all, from the rating schedule's perspective. The highest-leverage ISO improvement work for most departments isn't new equipment — it's catching up on records that already reflect reality.

For small and volunteer departments specifically

Training-hour and water-supply documentation gaps are the most common finding in smaller/volunteer departments, not a lack of real capability — closing this gap is often inexpensive relative to the insurance-premium benefit.

Related

Track documentation gaps against these same four categories in ISO Readiness.

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