Ofwat Water Company Performance Report Data
UK water regulator's machine-readable performance datasets for water and sewerage companies in England and Wales, covering performance commitments, leakage, pollution and customer outcomes, with a data dictionary. Downloadable open data.
ofwat.gov.uk
At a glance
- Region
- United Kingdom (Europe)
- Coverage
- England & Wales
- Access
- Free
- Category
- Government
- Last updated
- 2026
What's inside
- Utility performance
- Performance commitments
- Leakage
- Customer outcomes
What you can do with it
Typical work that data of this type supports.
- 01
Coverage gaps
Find who lacks safe water or sanitation.
Because it has: Utility performance
- 02
Benchmarking
Compare utilities on service and losses.
- 03
Hotspots and trends
Find where contamination is high and whether it is getting worse.
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Failure prediction
Predict pipe bursts and plant failures before they happen.
- 02
Demand forecasts
Forecast daily demand for pumping and storage.
- 03
Risk maps
Predict contamination where no samples exist, from geology, land use and climate.
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- BGS Depth to Groundwater Dataset (Great Britain)Europe | Paid
- BGS WellMaster Hydrogeological Database (UK)Europe | Limited
- CAMELS-GB: 671 catchments in Great BritainEurope | Free
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