Data is collected at the county level by first responders and communicated up to the federal government. The process is far from perfect — data only comes from emergency medical services, not hospitals or other sources, and doesn't include fatal overdoses. Regardless, the idea is to help officials identify where clusters of overdoses may be happening. Watch more The Story videos: http://bit.ly/watchTheStory Follow The Story on Twitter: https://twitter.com/TheStoryKGW Follow The Story on Instagram: https://instagram.com/thestorykgw