Fall Hydrant Flushing

October 22, 2025

Hydrant flushing is one form of preventive maintenance the Water Utility uses to protect water quality. On a rotating schedule, hydrants across the city are opened and allowed to run for several minutes. Flushing maintains better water quality by removing built-up minerals in water mains.

Fall hydrant flushing has concluded. Check back to track crews and view zones in the spring.

View Hydrant Zone Map

When hydrants are flushed in a neighborhood, water to area homes may be temporarily discolored and can stain laundry. We recommend residents avoid doing laundry when hydrants are being flushed nearby.

If clothes are washed in discolored water, keep them wet and call CFU at 319-268-5332 to get a special cleaning agent at no charge.