Heat the olive oil in a medium pot over medium-high heat.
Add the diced yellow onion and green bell pepper to the pot, sautéing for 3-4 minutes until the vegetables are softened and fragrant.
Add the ground turkey to the pot, breaking it into small crumbles with a wooden spoon, and cook until browned and no longer pink.
Stir in the chili powder, cumin, garlic powder, sea salt, and black pepper, ensuring the turkey and vegetables are evenly coated in the spices.
Pour in the diced tomatoes with their juices, the rinsed kidney beans, and the water.
Bring the mixture to a gentle boil, then reduce the heat to low.
Cover the pot and let the chili simmer for 12-15 minutes to allow the flavors to deepen and the sauce to thicken slightly.
Ladle the chili into a bowl and serve immediately while hot.