Why is muddy water flowing in a normally clear Ozark Mountain stream on a sunny New Year's Day?

Please click on images to ENLARGE view of muddy water flowing on New Year's Day into the Town Branch of the West Fork of the White River.

For more images and a bit of explanation of this situation, please click the following link Silt-laden water pumped to the Town Branch by contractors flows to Beaver Lake
For a closer view of the pipe spewing water from Hill Place work site, please click on image to ENLARGE. Use cursor to move about and see the contrast between the flow from the pipe and the stream's normal clear water at right.


For more images and a bit of explanation of this situation, please click the following link Silt-laden water pumped to the Town Branch by contractors flows to Beaver Lake