Casper, WY – The long-standing drought has already prompted water-use restrictions in the City of Casper. The Casper City Council approved voluntary water restrictions last night. And City Manager Tom Forslund expects the restrictions will become mandatory next month. He says that will happen if the state places a call on North Platte River water and that can only be avoided if there's a run of cool weather and heavy precipitation. Under the voluntary restrictions, a number of activities are discouraged, including: lawn-watering, car-washing, and using a hose to clean sidewalks or driveways. Forslund says the city has taken this step at this time of year for the last three years.