The Fire and Utility Departments are currently flushing hydrants, April 26 - May 7. Make sure to run home faucets and avoid washing laundry (particularly light colors) if water is temporarily discolored. Watch for signs in the areas currently being flushed.
Follow the progress of the flushing and see when they are in your neighborhood here: hydrant flushing map
Learn more about why we flush hydrants every year: http://www.madisonga.com/hydrantFAQ