Sportverein Sandhausen 1916 e.V. owns this stadium.
BWT-Stadion am Hardtwald:  The stadium is owned by the club. SV Sandhausen: Sportverein Sandhausen 1916 e.V., commonly known as simply SV Sandhausen or Sandhausen, is a German association football club that plays in Sandhausen, immediately to the south of Heidelberg in Baden-Württemberg.
i don't know