Anglian Water sustainability score: 41/100
Making progress starts at 46. The highest score on SINK is 71.
Anglian Water Services Limited is the regulated water and sewerage company for the East of England. It was created on privatisation in 1989 and is headquartered in Huntingdon.
More about Anglian Water
Its filed accounts for the year to 31 March 2026 report revenue of £2,103.1m and an average of 6,053 full-time-equivalent staff. It is regulated by Ofwat and the Environment Agency.
Founded 1989Head office Huntingdon, United KingdomStaff ~6,053Revenue £2,103.1M (FY2025/26, year to 31 March 2026)Website ↗
Anglian Water's gross reported emissions rose from 265,219 to 297,156 tCO2e between 2022/23 and 2024/25. Its reported Scope 3 covers three categories, and capital carbon is reported only as a percentage. Pollution incidents rose 44%, from 307 in 2023 to 441 in 2024, and its rate of 57.17 per 10,000 km of sewer was nearly three times its 19.50 performance commitment. The Environment Agency rated it 2 stars. It was fined £2.65m in 2023 for sewage discharges from Jaywick, the ASA ruled an environmental advert misleading in 2023, and in 2024 it was convicted of failing to provide records to the Environment Agency.
Anglian Water scores 41/100 (Below expectations) on SINK's independent climate assessment, scored from public data only. Scores are free. Nobody can pay to change a score, speed it up or hide it. Last verified October 2026.
That places Anglian Water joint 390th of 1,023 companies scored, and 7th of 11 in Water & Sewerage.
What is Anglian Water doing well, and where does it fall short?
Strongest on Carbon Footprint: Operations and Transparency & Accountability (8/10, 7/10). Weakest on Emissions Trajectory and Water Impact (2/10, 2/10).
Where Anglian Water lost points
For each question that lost points, the evidence our public rubric looks for that we didn't find.
What would raise this score
- Whether its emissions are fallingShow its emissions are falling.
- Its effect on waterMonitor its water use and take measures to reduce it.
- Emissions from its supply chainMeasure most of its supply-chain (Scope 3) emissions.
Every question that lost points
- Emissions from its own operations8/10No verified figures published with their method and a falling trend.
- Emissions from its supply chain4/10Most of its supply-chain (Scope 3) emissions aren't measured.
- Whether its emissions are falling2/10No evidence its emissions are falling.
- How clean its energy is5/10Less than half its energy shown to be renewable, or no transition plan.
- Its effect on nature5/10Its effect on nature isn't measured or independently verified.
- How it uses materials and handles waste4/10No measurable waste or recycling targets reported publicly.
- Its effect on water2/10No monitoring of water use, or no measures to reduce it.
- Its climate targets4/10Its targets aren't science-based or committed to the Science Based Targets initiative.
- How openly it reports7/10No annual impact report, or no pay linked to climate targets.
- Its record on controversies4/10Points deducted for controversies or its business model. The finding is under question 10.
A score changes when the evidence does. We use new published evidence at the next rescore. Anyone can send us new evidence, free. How to send it.
How is Anglian Water's SINK score calculated?
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × ScaleWhat evidence is Anglian Water's score based on?
10 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
30% of them were published by Anglian Water itself; the rest come from independent sources.
“This table meets requirements of the Streamlined Energy and Carbon Reporting (SECR) regulations and b. of the CDP disclosure.”
“The numbers reported have been verified by Achilles Carbon Reduce (powered by Toitū) Scheme (formerly CEMARS)”
“the site will produce around 29,000 MWh of power per year, all of which will be supplied to Anglian Water during the 15-year term”
“Anglian Water – 2 stars, the same as the previous year”
“failing, without reasonable excuse, to comply with a requirement to provide records to the Environment Agency”
“the ads omitted material information and were therefore misleading”
If you believe a source has been misread or a newer version exists, submit a challenge.
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How does Anglian Water compare with other water & sewerage companies?
Where Anglian Water sits among water & sewerage peers.
Among the 11 major water & sewerage brands we've scored, Anglian Water sits 7th of 11.
Who scores higher in Water & Sewerage?
The 3 companies in the sector scoring nearest above Anglian Water.
Scottish Water's operational emissions, audited to ISO 14064-1, fell from 462,000 tCO2e in 2006/07 to 220,000 tCO2e in 2024/25, and have been roughly flat for three years.
See the breakdown →Wessex Water reports operational and supply-chain emissions, including capital carbon.
See the breakdown →Northumbrian Water's net market-based operational emissions fell from 68.6 to 15.9 ktCO2e between 2019/20 and 2024/25, relying on renewable electricity and gas certificates, while gross location-based emissions moved from 163.3 to 152.6 kt.
See the breakdown →Which companies moved this week, and why.
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