Police are investigating an alleged incident of indecent exposure at Stamford Leisure Pool on Saturday.
The centre in Drift Road, Stamford, was made aware of the complaint between 9.30am and 10am, involving a man in the changing rooms who was reportedly “naked and aroused”.
There were two further complaints made to the centre and staff then contacted police.
The pool was running a children’s swim school during the morning.
Police said they were investigating the incident and are in the process of speaking to witnesses and staff at the pool to identify the offender.
A spokesman for Stamford Leisure Pool declined to comment.
If you can help police, call 101, quoting incident number 170 of July 23.