When I wash my cars I intentionally spray a little fresh water on the pads and rotors mostly because caked on brake dust can wear rotors unevenly or cause grind

When I wash my cars I intentionally spray a little fresh water on the pads and rotors mostly because caked on brake dust can wear rotors unevenly or cause grinding/slipping of breaks. I've never lived where they salted the roads, but I imagine rinsing them off periodically would help, too.