PULLMAN, Wash. – In an emergency or disaster, emergency services can be cut off for three days or more. September is National Preparedness Month, and the Washington State University Emergency Management Committee encourages everyone to have on hand supplies adequate to survive on your own for at least three days. 
Items recommended for a basic emergency supply kit:
• Water: one gallon of water per person per day for at least three days for drinking and sanitation
• Food: at least a three-day supply of non-perishable food
• Battery-powered or hand crank radio (preferably a NOAA weather radio with tone alert) and extra batteries
• Flashlight and extra batteries
• First aid kit
• Whistle to signal for help
• Dust mask, to help filter contaminated air, and plastic sheeting and duct tape for constructing a shelter
• Moist towelettes, garbage bags and plastic ties for personal sanitation
• Wrench or pliers to turn off utilities
• Can opener for food (if your kit contains canned food)
• Local maps and important telephone numbers
• Cell phone car charger, inverter or solar charger
Additional information is available here or at WSU’s Emergency Management Office page