What is being described as "a major water system upgrade" is underway in Ilion, New York today.A pressure release valve is being installed near Route 51 and Spinnerville Gulf Road.

Water flow will be affected and water may be discolored.  Officials say that "(r)unning cold water in homes will clear up the discloration.  There will be no disruption of service and no boil water advisory..."

Travel in the area will be affected as traffic will be reduced to one lane near the installation site.

Mayor Terry Leonard says that the project and associated disruptions will be completed before the weekend.