Water PollutionWater Pollution

By: AliciaBy: Alicia

Facts About Water Pollution

Facts About Water Pollution

Pollution means to make foul or unclean; dirty.

Although we need water, people pollute it anyway.

• Two types of water pollution are point & non-point sources.

Pollution means to make foul or unclean; dirty.

Although we need water, people pollute it anyway.

• Two types of water pollution are point & non-point sources.

Facts About Water Pollution Cont.

Facts About Water Pollution Cont.

Point source: harmful substances are emitted into any body of water.

Non-Point source: delivers pollutants indirectly through environmental changes.

Water that can be polluted is rivers, lakes, & oceans.

Point source: harmful substances are emitted into any body of water.

Non-Point source: delivers pollutants indirectly through environmental changes.

Water that can be polluted is rivers, lakes, & oceans.

Causes Of Water PollutionCauses Of Water Pollution

Sewage & fertilizers which contain nutrients such as nitrates & phosphates.

Excess nutrients cause the growth of algae which uses up all of the available oxygen.

Sewage & fertilizers which contain nutrients such as nitrates & phosphates.

Excess nutrients cause the growth of algae which uses up all of the available oxygen.