Watersheds Point and Nonpoint Pollution

Water pollution that can be traced back to the point of origin.

• Point Source Pollution

• Non-point source pollution

Water pollution that cannot easily be traced to the source of the pollution.

• Point Source Pollution

• Non-point source pollution

Coliform bacteria in runoff in a rural area.

• Point Source Pollution

• Non-point source pollution

Sewage leaking from a pipe.

• Point Source Pollution

• Non-point source pollution

Chemicals dumped into a river from an unknown source.

• Point Source Pollution

• Non-point source pollution

Septic tank leaking and contaminating groundwater.

• Point Source Pollution

• Non-point source pollution

Tags

NGSS.MS-ESS3-3

Toxic waste leaking from a barrel buried underground.

• Point Source Pollution

• Non-point source pollution

Tags

NGSS.HS-ESS2-5

Fertilizer farm runoff.

• Point Source Pollution

• Non-point source pollution

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Salt sprinkled on the roads during an ice storm.

• Point Source Pollution

• Non-point source pollution

Oil that has leaked from cars in a parking lot that is mixed in runoff.

• Point Source Pollution

• Non-point source pollution