Friendly service and good value. Watershed Carwash allows you to select from multiple wash packages. You're sure to find the package that fits your needs and budget. Every location has free vacuum and finish clothes, along with friendly staff on-site during business hours. Watershed Carwash is fast becoming a major player in the exploding carwash industry. Headquartered in Scottsdale Arizona and with locations throughout Texas and Oklahoma they are quick, convenient, and on your way. With their rapid expansion plan you'll probably fine one in your local market soon.