How can I clear the muddy sediment from a stream?

Firstly it depends where abouts in the world you are. If you are in the UK I would suggest contact the Local Authority. read more

Sounds like your lawn is at or near the water table. If that is the case there isn't much you can do. If it is legal you could dig the ditch/stream deeper. Many streams naturally run silty. Look up stream. See if it is clear there or you won't have much luck with that part anyway. read more

the pond or stream has very shallow water near the shores, as the webbed feet of these birds will constantly stir up sediment. , Discourage foraging around the pond using annoy- ance techniques such as air cannons or dogs to scare the birds away. read more

Sediment isn’t “bad for the rivers.” It’s the name we give to small particles of minerals (sand, silt, dirt, gravel) that are washed down from higher elevations by moving water. It’s been collecting since liquid water began to flow and rain began to fall, on Earth, for more than 4 billion years. read more