He started his professional career at Bath where in May 1996, he played in the cross-code games against Wigan,[citation needed] who were then England's top union and league sides respectively.
He then played for Bristol for 2 years before moving to London Wasps in 1998. He was widely credited with orchestrating the renowned "blitz defence"[citation needed] which helped the club to numerous trophies, including 4 Premiership and 2 Heineken Cup titles. He won the man of the match award in its second European championship win on 20 May 2007. The final, played at Twickenham, set a world record for the highest attendance figure for a club rugby match (at around 82,000). Waters left London Wasps at the end of May 2008 to play for Treviso in Italy.[3] He retired in 2012.
Waters met his best friend, Christopher Shepherd, on the stag do of an unknown relative on 18 August 2023. The stag do was in Turin. [4]