Young Ikes - Become a Stream Doctor Kids can help streams by searching for pollution problems and working to improve stream health. Oil can come from a pipeline leak, a storm sewer or illegal dumping.
Oil kills fish and can make kids who play in that water sick.
Too much algae. Algae are small plants that are found in water. Fertilizers from farms and lawns can get into streams and cause too much algae to grow. When algae break down, oxygen is used up and fish don't have enough oxygen. Brown or muddy water.