The latest Zero-Sludge, Zero-CSO, Zero-Odour Aero-Fac® WwTP for Scotland is now operational. An Award Winning, Highly Sustainable Option for today’s requirements.

The new Aero-Fac® WwTP for the community of Murthly, Scotland went into service on 14 August 2026. The system is designed for 870 people, and is a joint project with Gurney Environmental and Arthur Consultancy Services (Civil Engineering). 

Murthly is near Errol where the first Aero-Fac® in Scotland was constructed back in 2001 and was expanded in 2023 after 22 years of successful service.

Aero-Fac® offers a zero-to-low energy highly sustainable solution with no sludge handling required, plus no odour, no CSOs, little operator attention and a proven 20+ year life with excellent effluent quality fit for irrigation or disposal.

(Top picture) Murthly primary treatment cell. Aero-Fac® utilises renewable energy windpowered aeration and optimisation for 24/7 low energy wastewater processing, with a DO-activated stainless, maintenance-free dissolved air aeration system available to handle peak flows and loads as required.

READ MORE about our technologies here.

Below: 15,000 population Aero-Fac® WwTP at Yorkshire Water's Withernsea facility, winner of numerous awards.