Upgrades at Perth Waste Water Treatment Works
Project Overview
Perth Wastewater Treatment Works was originally constructed in 1971 and treats wastewater for a population equivalent (PE) of 74,000 from Perth and the surrounding area. Significant growth is planned for the city of Perth by 2033 and the WwTW needs to be upgraded to provide the required capacity to treat the increased flow and loads up to 2033.This work is being delivered on Scottish Water’s behalf by our capital project delivery partner Efficient Service Delivery (ESD).
Project at a glance:
- Upgrades to Perth Waste Water Treatment Works
- Delivery by delivery partner ESD
- Estimated £65m investment
- Forecast for completion - September 2026
Perth Waste Water Treatment Works
The first phase of the concrete pour for the new Final Settlement Tank has been completed as ESD work to upgrade Perth WWTW in line with the significant investment being carried out by Scottish Water across the city.
Latest Project Update - September
Work on site is progressing well, with the construction of the Final Settlement Tank now well underway.
The first phase of the concrete pour for the Final Settlement Tank has been completed with the second phase scheduled for this month.
We have also started the enabling works for the new Final Settlement Tank distribution chamber, with the diversion of underground services ongoing.
Work is also due to commence this month on the pile foundations for the new sludge reception tank.
