Preheat oven to 375° F. Put uncooked rice in 2 1/2 quart casserole dish. Place lean ground beef in skillet; brown lean ground beef. Place browned lean ground beef on top of rice. Add celery, sliced onions, on top of browned ground beef. Mix water and mushroom soup together; pour over casserole. Pour soy sauce over casserole. Do not add additional salt. Bake one hour at 375° F.