oh its so simple choose any ten of these which are given below they are 20 of them
1, no trash in storm drains
2, dispose of prescription drugs properly (not down the drain if you can help it...)
3, dispose of chemicals properly
4, avoid things like painting near bodies of water
5, use environmentally friendly cleaning products
6, use environmentally friendly pesticides
7, use environmentally friendly fertilizers and pay attention to runoff patterns
8, keep your car in good shape to avoid leaking fluids into the ground
9, pick up pet waste
10, compost
11, buy responsibly harvested seafood products
12, swim responsibly
13, keep boats in good condition to avoid leaking fluids into the water
14, make sure you're not transporting plants or animals on the outside of your boat
15, don't throw cigarette butts on the ground
16, use rainbarrels to collect roof runoff
17, don't pave where it's not necessary - paved areas result in unnatural runoff patterns
18, avoid using antibacterial soaps
19, use car washes instead of soapy water in your driveway
20Learn about the flow of water. Water from households goes into sewage systems and then into treatment facilities in most communities, where many pollutants are removed. Water we use outside the house, such as in the garden, goes into storm sewers and straight into rivers, lakes and streams
hope it helps thumbs up if u agree.