The U.S. Army Corps Engineers Philadelphia District has announced it will draw down the reservoirs at Blue Marsh Lake and Francis E. Walter Dam in preparation for significant forecasted rainfall associated with Hurricane Ida. Blue Marsh Lake is located on the Tulpehocken Creek, a tributary of the Schuylkill River, about four miles northwest of Reading, Pa. Francis E. Walter Dam is located at the confluence of the Lehigh River and Bear Creek in Luzerne and Carbon Counties, Pa.