1. Place roast and water in a 4-quart electric slow cooker. Cover with lid; cook on high-heat setting 7 hours or until meat is tender. Drain; discard cooking liquid. Return pork to slow cooker; shred with 2 forks. Stir in barbecue sauce and next 4 ingredients (through pepper). Reduce to low-heat setting; cover and cook 1 hour.
2. Combine coleslaw and dressing; toss well.