1 inch of rain, small size, big impact - Image 2

One inch of rain may sound like a small amount, but how big is the impact? Did you know: 

• One inch of rain on a roof could provide enough water for 15 people for one day  
• One inch of rain collected from a one-acre homestead could provide enough water for 247 people for one day 
• One inch of rain collected from a one-square-mile neighborhood could provide enough water for 247 people for 640 days – that’s one year and nine months! 

Learn more about the impacts of precipitation at the USGS Water Science School.

 Comparisons – big or small #30DayChartChallenge