Mix together flour, dry mustard, and garlic powder in a shallow bowl. Dredge pork chops in flour mixture; shake off excess.
Heat oil in a skillet over medium heat. Cook pork chops in hot oil until browned, about 4 minutes per side. Place chops into a slow cooker. Stir together condensed soup and water in a small bowl; pour over chops in the slow cooker.
Cook on Low for 6 to 8 hours or High for 3 1/2 hours. An instant read thermometer inserted into the center of chops should read at least 145 degrees F (63 degrees C).
Slow Cooker Boneless Pork Chops · Dinner Match Lab | Dinner Match Lab