Since 2006, SG EWR Rheinhessen-Mainz has been competing in the 1st Bundesliga with a two-year break.

At times with both teams, the men's team is currently the only team from Rhineland-Palatinate represented in Germany's highest swimming league, finishing seventh out of 12 participating teams in 2015.

The 1st Bundesliga competitions have been held several times at the Taubertsbergbad in Mainz.

The leading swimming performance center in Rhineland-Palatinate was founded in 1996 and is an association of clubs from Mainz, Bingen, Oppenheim, and Nieder-Olm.