An area of land that drains into a body of water,like a river or lake.
A building for storing water on industrial farms.
A tributary to a river.
A part of the sewer system that connects the water treatment center to nearby rivers and lakes.
Surface runoff from roads, sidewalks, and roofs
Sewer overflow from combined sewer systems
Chemicals used on farmland
Rivers can’t catch fire
Filters out impurities in groundwater
Stores water underground to prevent drought
Capturing carbon dioxide from the atmosphere
Political boundaries like city and county lines.
Surrounding rivers and lakes.
High points in the landscape like hilltops or mountain ridges.
The largest body of water in the area.
Improving, due to the help of local environmental agencies.
Improving on its own.
Getting worse, due to more pollution from factories.
Getting worse, due to the use of fertilizers in industrial farming.