Records of the Fountain Society (ref. 2321) are held at City of Westminster Archives Centre.  The Centre's online catalogue describes the records as follows:

"Corporate records (dates 1985-1991)
Ref. 2321/1/1: File containing a copy of the Fountain Society Mission Statement and information leaflets, including details of membership and subscription rates (date 1986)
Ref. 2321/10/5: File of correspondence with honorary members of the Fountain Society (dates 2000-2002)
Ref. 2321/2/1: File of Fountain Society newsletters (dates Jun 1999-Nov 2001)
Ref. 2321/2/11: File of Correspondence relating to the Fountain Society website (dates 2000-2002)
Ref. 2321/2/6: File of various publications containing articles about the Fountain Society (dates 2000-2001)
Events records (dates 1994-2001)
Ref. 2321/3/2: File of correspondence relating to Fountain Society events (date 2001)
Ref. 2321/3/3: File of occasional papers, containing transcripts and notes of talks given at Fountain Society conferences (dates 2000-2001)

Ref. 2321/3/4: File of correspondence relating to the Fountain Society presence at Historic Buildings and Gardens exhibitions (dates 1994-1997)
Fountain Society Projects Limited (dates 1990-1994)
Ref. 2321/5/1: File of Fountain Society Projects Limited documentation (date 1990)
Ref. 2321/5/2: File of Fountain Society Projects Limited documentation (dates 1990-1994)
Fountain Society projects (dates 1986-2002)
Ref. 2321/6/10: File of correspondence concerning the Queen's Fountain, including correspondence and notes of meetings relating to the design of the Queens fountain and the Fountain Society Ball at the London Hilton Hotel (dates 1988-1992)
Ref. 2321/6/4: File of correspondence relating to the Fountain Society's application for funding for a Millennium fountain project and fireworks barge, including a copy of the application, project overview and specifications for the project (dates 1995-1996)"

Details available by searching City of Westminster Archives Centre online catalogue.

The most recent records of the Fountain Society are retained by the Secretary of the organisation.

Further records relating to the Fountain Society are also held at City of Westminster Archives Centre.  The records consist of: Ref. WCC:Acc0079/3: "File of reports and correspondence concerning fountains, including a survey of fountains in Westminster by the Fountain Society (dates Jun 1987-15 Mar 1990)" -see online catalogue.