Town of Valdese issued the following announcement on Aug. 10.
The Valdese Water Department will be doing routine hydrant flushing due to State regulations in the area of Meytre, Laurel, and Calloway on Wednesday, August 11th. If you experience discolored water, flush water lines in your home with cold water until water runs clear. If you do not have clear water after 15 minutes of flushing, please call 828-879-2128 for assistance.
Original source can be found here.