A spokesperson said if it could not be repaired “when teams are on-site, alternative options will be considered”.
The BBC was looking into the operation of the outfall after questions were asked in the States of Guernsey about the sewage pipe by Deputy Andy Cameron.
Guernsey Water said the utility was grateful to the BBC for sharing its drone footage.
Two drones operated by Guernsey Harbours, one in the air and one underwater, were subsequently used to inspect the outfall on Friday.
A Guernsey Water sewer CCTV robot was also used to investigate the issue.