In a Dutch oven, heat oil over medium-high heat. Add the green pepper, onion and celery; cook and stir until tender. Add garlic; cook 1 minute longer.
Add the water, tomatoes, tomato sauce and seasonings. Bring to a boil; stir in rice. Reduce heat; cover and simmer for 15-18 minutes or until liquid is absorbed and rice is tender. Stir in beans; heat through.