Spanish Rice - Slow Cooker

2 lbs browned hamburg
2 onions chopped
2 green peppers chopped
28 oz can diced tomatoes
16 oz tomato sauce
1 cup water
2 tsp chili powder
2 tsp salt
2 tsp Worcestershire sauce
1 cup raw rice (converted - like Uncle Ben's in the bag)

Put all ingredients in slow cooker, stir, and cook on low 10 hours, high for 4 hours.