• Fire                                                                                                         
  911
• Fire (non-emergency)                                                                         
  281-261-4250
• Emergency                                                                                           
  911
• Sheriff Dispatch (non-emergency)                                                  
  281-341-4665
• Vacation Watch                                                 
  281-341-4666
• Poison Control                                                                                    
  800-764-7661
• Fort Bend County Office of Emergency Management       
  281-342-6185
• Missouri City Emergency Operations Center, 281-403-8700

• Centerpoint Energy 24-Hour Emergency Reporting, 800-752-8036

• Irrigation/Running Water Emergency Only, David Rust, 713-545-7771

Click here for Sienna's Emergency Preparedness Plan.