The Bend City Council has a full agenda tonight. Everything from drone aircraft to water filtration. Councilors will discuss a prioritization list for the Central Oregon Intergovernmental Council on a "needs" inventory for economic development. Water once again will spring up as an issue. Staff is asking for the okay to proceed with design work on a membrane filtration system that could end up costing $25-million. Even though it's more money than a U-V light system, staff says it could filter out forest fire debris if the Bridge Creek Watershed ever burned. Councilors will consider a resolution to spend $100,000 to evaluate their computer system with an eye to efficiency and the future. Council will also be asked to give their support to allow drone flight-testing east of Bend. The Council work session will start at 5pm.