1. Water Pollution

2. What is water Pollution?
Addition of any substance added to water that has a negative effect on the water or living things that depend on the water
Can be classified into two categories based on how the source enters into water
POINT SOURCE – source can be specifically identified
NONPOINT SOURCE – a wide spread source
that cannot be tied to a specific origin

3. Types of Pollution Human Activity – Waste Industrial Waste
Chemical Runoff

4. Pesticides in Water
A very small amount of the pesticide DDTin water can build up to Harmful levels in living things.
Which organism ends up with the most DDT
Pesticides – Chemical intended to kill insects and other organisms (pest) that damage crops EXAMPLE -DDT

5. Human Waste Sewage in the City Sewage in Rural Waste
Overflow of storm sewers due to heavy rain and floods
Untreated waste can cause led to disease – Cholera
Sewage in Rural Waste
Leaking septic tank
Classifying
Classify the following as point or nonpoint sources of water pollution
Sanitary sewer pipe with a leak
Salt used to ice roads
Open drain in a sink at a paint factor y
Fertilizer sprayed onto an orchard

6. Industrial waste Chemicals Smoke and Exhaust Heat Pollution
Production of factory processes
Smoke and Exhaust
Burning of
fossil fuels and coal
Heat Pollution
Cool Machinery

7. Chemical Runoff Farms Roads Urban Fertlilizers Animal Waste
Oil leaks from cars
Salt from icy roads
Urban
Household waste (grease/oil)
Improper disposal (paint/batteries)

8. Solutions Cleanup List three ways we can cleanup pollution Prevention
List three ways of preventing pollution from entering our water system