Compare carbon emissions across Water Supply & Waste Management companies
The table ranks Water Supply & Waste Management companies by Mycelium Score, which rewards low emissions intensity within the sector, transparent reporting and third-party verification, rather than by raw totals, which would penalise the companies that report most completely. Mycelium tracks 198 companies in this sector, 165 of them with a Mycelium Score; the top 25 are shown here.
Browse all Water Supply & Waste Management companies →
Why water supply & waste management emissions data matters
Organisations that send waste for treatment report it in their own Scope 3 (category 5, waste generated in operations). Company-level data shows which operators measure process emissions such as landfill methane, not only the energy they use.
Carbon emissions data methodology
Mycelium combines public company disclosures with clearly labelled modelled estimates so companies can be compared on a like for like basis. Data availability varies by company, reporting year and disclosure type. Read our methodology, data sources and glossary for the detail.
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Water Supply & Waste Management carbon emissions FAQs
What are Water Supply & Waste Management carbon emissions?
Water Supply & Waste Management carbon emissions are the greenhouse gases produced by companies in this sector, reported as Scope 1 (direct operations), Scope 2 (purchased energy) and Scope 3 (the wider value chain). Mycelium brings the sector's public disclosures together so they can be searched and compared in one place.
Can I compare Water Supply & Waste Management companies by carbon emissions?
Yes. Mycelium ranks Water Supply & Waste Management companies by Mycelium Score, which reflects emissions intensity within the sector alongside transparency and verification, and each profile shows reported figures, disclosure documents and climate targets. Mycelium currently tracks 198 companies in this sector.
Where does this Water Supply & Waste Management emissions data come from?
The data comes from publicly available company disclosures such as sustainability reports and annual reports, combined with modelled estimates where reporting is incomplete. Modelled values are always labelled. See our methodology and data sources for the full picture.