For a time on Thursday the Albercuix beach in Puerto Pollensa needed to be closed.
The work, it is said, will prevent 90% of the current spills of contaminated water.
Emaya insists that the delays have led to improvements in the project.
A Palma court is instructing the case regarding contaminated spills at Palma beaches.
Preventative measures are underway and the preliminary work has been done.