Slow Cooker Italian Beef for Sandwiches

INGREDIENTS

• 3 cups water
• 1 teaspoon salt
• 1 teaspoon ground black pepper
• 1 teaspoon dried oregano
• 1 teaspoon dried basil
• 1 teaspoon onion salt
• 1 teaspoon dried parsley
• 1 teaspoon garlic powder
• 1 bay leaf
• 1 (.7 ounce) package dry Italian-style salad dressing mix
• 1 (5 pound) rump roast