Hydrants within the Walhalla water system will be flushed for a one-month period, between Monday, September 30 and Friday, November 1. According to a City Hall announcement, the hydrant flushing may cause some discoloration for a short period of time. The city promises the water will be safe to drink. However, before running laundry, you may want to check the water. Questions? Call City Hall at 638-4343.