Welsh Water Authority Records

Scope and Content

Records collected by the Welsh Water Authority, 1900-1973, including Seiont, Gwyrfai and District Fishing Board cash book, 1927-1948; River Conway Drainage Board rate book, 1923; River Conway Catchment Board records, 1932-1951; Caernarvonshire Rivers Catchment Board records, 1933-1950; North West Wales River Board, 1937-1952; Gwynedd River Board records, 1953-1965; Gwynedd River Authority records, 1966-1973; records relating to the Prenteg Water Supply Scheme, 1900-1914.

Administrative / Biographical History

From the late 19th century responsibility for water provision in Caernarfonshire lay with borough and rural district councils or sanitary authorities. Following the Water Act 1945, water companies and boards began to amalgamate. The North West Wales River Board was formed as a result. The River Board became the Gwynedd River Board in 1953. The Board was renamed the Gwynedd River Authority in 1966 until 1973 when the Welsh Water Authority was created. Glaslyn Rural District Council was responsible for supplying water to the village of Prenteg, Caernarfonshire in the early 20th century.


Arranged into two groups: Group one consists of records of the Seiont, Gwyrfai and District Fishing Board, River Conway Drainage Board, River Conway Catchment Board, Caernarvonshire Rivers Catchment Board (including River Conway), Caernarvonshire Rivers Catchment Board, North West Wales River Board, Gwynedd River Board; Gwynedd River Authority; Unidentified River Board and Lancashire and Western Sea Fisheries District; Group two consists of papers relating to the Prenteg Water Supply Scheme

Conditions Governing Access

No restrictions

Acquisition Information

Source not recorded


Compiled by Richard Burman for the ANW project. The following sources were used in the compilation of this description: Caernarfon Record Office, Welsh Water Authority Records, catalogue; Archifdy Ynys Môn/Anglesey County Record Office, Papurau Awdurdod Dŵr, Water Authority Papers, catalogue.

Other Finding Aids

Hard copies of the catalogue are available in Caernarfon Record Office and the National Library of Wales.

Conditions Governing Use

Usual copyright regulations apply.

Appraisal Information

All records deposited at Caernarfon Record Office have been retained.


Accruals are not expected

Related Material

Further records are Caernarfon Record Office, XD/93