All fire hydrants will be flushed in Vadnais Heights in late September and early October. Hydrants north of County Road F will be flushed the week of September 26. Hydrants south of County Road F will be flushed the week of October 3. The water may be discolored for a short time, but it is completely safe to drink. If you have any questions, please call City Engineer Mark Graham at 651-204-6050.