1.Combine Water With Salt, Ground Black Pepper, Oregano, Basil, Onion Salt, Parsley, Garlic Powder, Bay Leaf, And Salad Dressing Mix In A Saucepan. Stir Well, And Bring To A Boil. 2.Place Roast In Slow Cooker, And Pour Salad Dressing Mixture Over The Meat. 3.Cover, And Cook On Low For 10 To 12 Hours, Or On High For 4 To 5 Hours. When Done, Remove Bay Leaf, And Shred Meat With A Fork.