Place the first 4 ingredients in a 3 1/2-quart slow cooker in the order listed. Combine salt and the next 6 ingredients; sprinkle over vegetables.
Add 6 cups water; cover and cook on low setting for 8 to 10 hours. Remove chicken and bay leaf; add remaining 2 cups water. Stir in noodles and cook, covered, on high setting for 20 minutes.
Meanwhile remove bones from chicken and cut chicken into bite-size pieces. Add to slow cooker, stir to mix. Cook for 15 minutes on high setting, covered or until noodles are tender.
