This £6.8m scheme provided sewage treatment facilities to Tobermory on the Island of Mull for the first time.

In parallel with the development of the sewage treatment facilities the team was also investigating an island wide sludge strategy to provide a sustainable solution to the treatment and disposal of sludge from all of the islands new and existing treatment works and the hundreds of  private septic tanks on the island.

The solution developed addressed both issues. It consisted of a system of pumping stations and pipelines to transfer the raw sewage from the harbour area to the new treatment works, treatment using facultative lagoons and discharge through gravity main and outfall. The key to the solution was that the facultative lagoons had the capacity to 'digest' the sludge within the basins and do not require emptying for at least 20 years at a time.

As a result of this innovative project, traffic movements of large sludge tankers around the Island of Mull and on the ferries and between Oban and Glasgow were eliminated. This solution reduced Scottish Water's Carbon Footprint by over 25 tonnes of CO2 per annum.