Changes in the past two years have improved Bloomington Fire Department's response times, but Fire Chief Brian Mohr said the changes also have increased the use of other vehicles and crews on medical runs that is taxing the understaffed department. "Our benchmark is the six-minute response time. Our goal is to be doing that at 90 percent of the time," said Mohr. BFD is reaching the six-minute benchmark about 75 percent of the time, he said. The department's response time was within 6 minutes 66.5 percent of the time in 2016. A change made in December 2016 has resulted in dispatchers now calling for the closest fire truck to respond to an emergency medical call when no ambulance is available in one of the city's five fire districts.