For the Official Polk County site for emergency and disaster preparedness, via the Polk County Sheriff's very comprehensive site.
alternative phone numbers if the 911 emergency system fails
Police Dept - 503/838-1214
Fire Dept - 503/838-1510
who to contact if sewers back up
Public Works - 503/838-4781
where to report problems if communications or utilities systems fail:
use or borrow a cell phone to call -
Minet Telecommunications - 503/837-0700
electric - PP&L 888/221-7070
Remember, if power fails, use caution at traffic lights and railroad crossings.