Stream - UK Water Industry Open Data Portal
Open data portal publishing standardized datasets from England and Wales water and sewerage companies, including the National Storm Overflow Hub with near-real-time discharge data from 14,000+ storm overflows.
streamwaterdata.co.uk
At a glance
- Region
- United Kingdom (Europe)
- Coverage
- England and Wales
- Access
- Free
- Category
- Portal
- Last updated
- 2026
What's inside
- storm overflow
- wastewater
- utility data
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: wastewater
- 02
Benchmarking
Compare utilities on service and losses.
- 03
Design flows
Estimate 1-in-50 and 1-in-100 year floods for bridges, culverts and spillways.
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
Flow forecasting
Train LSTM-style models on past records to forecast river levels and flow days ahead.
Related water data
- BGS Aquifer Designation DataEurope | Limited
- BGS Depth to Groundwater Dataset (Great Britain)Europe | Paid
- BGS WellMaster Hydrogeological Database (UK)Europe | Limited
- CAMELS-GB: 671 catchments in Great BritainEurope | Free
- CAMELS-GB v2: sub-daily and groundwater extension (671 catchments)Europe | Free
- CEDA - Gridded Groundwater Abstraction Dataset for England (1999-2014)Europe | Free
Find more water data
Search and compare 1,900+ water data sources by region, type and access.