In 2018, the District received a Class 1 rating from ISO following a comprehensive review that evaluated water supply and delivery systems, emergency communications, fire alarm response times, the number and types of fire apparatus, fire station distribution, number of personnel and its training, equipment maintenance records, and the number and distribution of fire hydrants, as well as its maintenance and flow test records. The ISO sets fire department standards that provide benchmarks for operational effectiveness and provides a Public Protection Classification rating for more than 45,000 fire districts nationwide. Less than 1% of the fire departments nationwide are rated as Class 1. The ratings range from the highest rating of 1 through 10.