A watershed is an area of land that drains to a common location.  A watershed can vary in size, they can represent the area draining to a small stream to the entire are draining to an ocean.  See the diagram below.

Reference provided by: http://www.depweb.state.pa.us/justforkids

Everyone lives in a watershed.  Do you know which watershed you live in?  Provided below is a map of the Sandusky River Watershed and its subwatersheds.  If you live in the Sandusky River Watershed - Can you find the watershed you live in?

Subwatersheds of the Sandusky Watershed by 11-digit Hydrologic Unit Codes (HUC):

010 - Muddy Creek

020 - Sandusky River - Bucyrus

030 - Broken Sword

040 - Sandusky River - Upper Sandusky

050 - Tymochtee - headwaters

060 - Tymochtee - Lower

070 - Sandusky River - Mexico

080 - Honey Creek

090 - Sandusky River - Tiffin

100 - Wolf Creek

110 - Green Creek

120 - Sandusky River - Fremont

130 - South Shore - West

140 - South Shore - East