National River Flow Archive

The UK National River Flow Archive provides official river flow records collected from more than 1,600 gauging stations.

nrfa.ceh.ac.uk
National River Flow Archive homepage screenshot

About National River Flow Archive

The National River Flow Archive, based at the UK Centre for Ecology & Hydrology, collates, curates and provides access to river flow data from over 1,600 gauging stations across the UK. Sources include networks operated by the Environment Agency in England, Natural Resources Wales, the Scottish Environment Protection Agency, and the Department for Infrastructure - Rivers in Northern Ireland.

Records are used to assess water availability and climate change impacts over time. Some records date to the nineteenth century and many to the 1960s, supporting analysis of long-term trends and past flood and drought events. Users can search stations on an interactive map, download metadata and the Peak Flow Dataset for WINFAP, and view current conditions through the UK Water Resources Portal.

Key features

  • Search over 1,600 UK gauging stations via interactive map
  • Download gauging station metadata
  • Download Peak Flow Dataset for use in WINFAP software
  • Track latest UK hydrological situation via Water Resources Portal
  • Access river flow records, some dating to nineteenth century
  • Read National Hydrological Monitoring Programme updates on UK conditions
Best for: Researchers, planners, and water professionals who need UK river flow data for water availability, climate trends, and flood or drought comparison.
Good for
  • UK official record of river flow data based at UK Centre for Ecology & Hydrology
  • Aggregates data from over 1,600 stations and four national measuring authorities
  • Long time coverage with some records from nineteenth century and many from 1960s

National River Flow Archive at a glance

Official website
nrfa.ceh.ac.uk
Type
Dataset
Platforms
Web
Language
English
Country
GB
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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National River Flow Archive FAQ

Where does NRFA data come from?
From over 1,600 gauging stations, including networks operated by the Environment Agency in England, Natural Resources Wales, the Scottish Environment Protection Agency, and the Department for Infrastructure - Rivers in Northern Ireland.
How far back do the records go?
Some records go back to the nineteenth century, and many go back to the 1960s.
What is the Peak Flow Dataset for?
It is provided for use in WINFAP software for flood estimation.
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