270022
Whenever water in the river exceeds the height of the weir the excess flow runs over the weir and down the Yolo Bypass floodway , thereby reducing the risks of flooding in the city of Sacramento and nearby urban areas along the river .
 Yolo, Sacramento
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Yolo, Sacramento