2.Use biological method insect weed fungus instead of toxic insecticides and herbicides.

3.Never apply pesticides or herbicides near well.

2.Don't use fertilizers before a rainstorm.

3.Use more organic fertilizers.

2.Keep facilitions clean and swept for debris.

2.Weed killer

3.Insecticides

4.Fungicides

5.Loose grass and leaves

When it rain all of these get washed down the storm drain and pollute

2.Livestock waste

3.oil

4.sediment

5.soil

When it rain these things will pollute the water underground.

2.Machinery

3.Cleaning products

4.Garbage

5.septic system

They leak oil and dirty water.

The problem is that when most people wash their cars, the dirt of the cars along with the water and soap runs down the storm drain, then contaminates the lakes, rivers lagoons, and eventually in the sea.