Pollution

A farmer sprays pesticides (to kill bugs) and fertilizers (to feed crops) over the land. The fertilizers and pesticides are picked up by runoff and carried into rivers.

• Nonpoint source pollution

• Point source pollution

A person changes their car’s oil and dumps the waste into a street gutter, where it gathers with water from other street gutters and is emptied into a stream.

• Non-point source pollution

• Point source pollution

A lake is polluted because a nearby factory is sending harmful chemicals down a drainpipe and directly into the lake.

• Point source pollution

• Non-point source pollution

A garbage truck overturns on the highway, and material from the truck spills directly into river next to the highway.

• Point Source Pollution

• Non point source pollution

A boat carrying oil gets a hole in it, and the oil spills into the lake where the boat is floating.

• Point Source Pollution

• Non-point Source Pollution

A homeowner sprays her lawn with fertilizer to make the grass green. The fertilizer is carried away by

runoff.

• Point Source Pollution

• Non Point Source Pollution

The waste from coal mines (called mine drainage) is carried away by runoff and seeps into the ground water.

• Point Source Pollution

• Non-point source pollution

Contaminated soil from a trash dump is washed away by rain water and eventually makes its way to the ocean.

• Point Source Pollution

• Non-point source pollution