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ISO Rating

ISO Rating effective July 1, 2014

(this is currently in review to be updated)


Properties within 5 road miles of the responding fire station AND 1,000 feet of a credible water supply, such as a fire hydrant, suction point or dry hydrant.

CLASS 4 – (this includes all city limit buildings)



Properties within 5 road miles of a responding fire station BUT BEYOND 1,000 feet of a credible water source.

CLASS 4Y


ISO Contact Office - 800-444-4554 (public protection)