dataset · England
Hydrological Open Data
Hydrological data is available from around 7,000 stations across England. This includes river flow, river level, groundwater and rainfall. Data consists of high resolution data (mainly 15 min) as well as daily data. All the data is EA owned and available as open data. The data comes from both our internal archive (WISKI) as well as real-time updates from telemetry: River flow (m3s-1): A) real time: updates from telemetry for stations in Wessex and Devon and Cornwall. B) daily: updates of daily m
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Licence: ["There are no public access constraints to this data. Use of this data is subject to the licence identified.", "There are no public access constraints to this data. Use of this data is subject to the
Evidence quality: 59.2
Listed in data.gov.uk public catalogue API on 2026-10-16; relevance/value screened (haiku).
Metadata checked: 2026-10-14T13:20:00.000Z
What's in it
- Data offered docs-verified
- river flow · river level · groundwater · rainfall
- Coverage docs-verified
- England
- Resolution docs-verified
- High-resolution (mainly 15 min) plus daily values, varying by parameter
- Update frequency docs-verified
- Daily per dataset metadata; real-time telemetry for some series, with weekly and monthly archive updates depending on parameter
- Access docs-verified
- Free and open; no public access constraints; Open Government Licence. No authentication stated.
Useful for
- Use cases llm-inferred
- FRA baseline flows from nearest river flow gauge · Flood model calibration and validation using historic 15-min river levels · Groundwater level context for site investigation and water resources assessment
- Audience llm-inferred
- flood consultants · hydrologists · drainage engineers · geotechnical engineers · water resources engineers
Limitations
- Constraints docs-verified
- Values are subject to quality control and may change after publication · Data recorded in GMT; during BST values may appear an hour old · Real-time telemetry available only for some stations and parameters
Evidence
- https://environment.data.gov.uk/hydrology
- https://www.data.gov.uk/dataset/98a4d46e-23e7-4430-883c-9e5f14645e8f/hydrological-open-data
Check upstream coverage, uncertainty and licence before use. Station observations are not forecasts or design levels.