Ofwat rates Northumbrian 32% more efficient
“Ofwat's bioresource service efficiency ratings place Northumbrian Water as the frontier company — 32% more efficient than the industry average.”
misattributed Retired in version 2.0.0, 2 October 2026.
Where it appeared: Briefing paper, section 2; Home page: Northumbrian card; Model v1.
Why it failed
The sentence comes from Northumbrian's own planning document, built on Ofwat's 2019 models. It is not an Ofwat statement, and we could not find the 32% in Ofwat's published document.
Evidence
What the site says now
Shown only as Northumbrian's own claim, dated 2019.