Technical problems at Corby pool means there will be restricted swimming sessions until further notice.
The main pool floor is affected and work is being carried out address the problems.
A spokesman for the borough council said: “Due to technical problems with the main pool floor there will be no 50m swimming until further notice and limited shallow water family swimming throughout the day and evenings.
“Swimming lessons and diving lessons will be running as normal, as will water classes.
“We apologise for any inconvenience caused.”
The problems at the pool arose on Monday (November 11).