1. Water Notes Two

2. Point vs Non Point Point- Happens in a specific place, you can point to the place Non point- Happens in many different places From the examples below pick point or non point Landfill leakage Pesticide Runoff Oil spill Feces in the water from farming Boating in the water

3. Wastewater Water that has been used in the household or industry Contains biodegradable material Biodegradable material can be broken down my microorganism

4. How Wastewater is Treated 1. Filtered 2. let settle 3. Aeration- mixed with oxygen 4. Bacteria that ate the biodegradable material is removed 5. Chlorine is added to disinfect the water before it is released into river, ocean or lake

5. Artificial Eutrophication Artificial- fake/not natural Eurtrophication- When organic material is added to water Can be caused be laundry, sewage, fertilizer

6. Thermal Pollution No contaminates Water is released from factories that is very warm. The hot water throws off the equilibrium of the ecosystem causing death

7. Ocean Pollution Most common form is from oil Point pollution from oil tankers leaking And non point occurs from runoff from the land from cars and industry