In a 5- to 6-quart Dutch oven, cook ground beef, onions, bell pepper and garlic until the meat is browned and onion is tender. Drain off fat.
Stir in the water, beans, undrained tomatoes and chiles, tomato paste, mustard, salt, chili powder, black pepper, cayenne and cumin. Bring to boiling; reduce heat. Cover and simmer for 30 minutes, stirring occasionally.