Hydrometry in the UK

Measuring Authorities

Responsibility for the collection and processing of hydrometric data in the UK rests primarily with the Measuring Authorities: the Environment Agency in England, Natural Resources Wales in Wales, the Scottish Environment Protection agency in Scotland and the Rivers Agency in Northern Ireland.

Additional flow measurement is carried out by a variety of public and private bodies and research organisations (including CEH).

The Environment Agency and SEPA areas are subdivided into regions (see map to the right). Contact information for Measuring Authority head and regional offices can be found here.

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