Find the latest U.S. Army Corps of Engineers, Tulsa District lake levels, releases, and recreation information needed to enjoy a day of fishing, boating and recreation at a Tulsa District lake. Industry shippers, anglers, boaters and paddlers now have the latest navigation information and notices easily accessible on a smart phone or tablet.Use the SWPA icon to view hydropower generation schedules for the next day or the USGS icon to view stream gage forecasts.