Annual report for the year ending 31st March /
Welsh Water Authority.
Powys : Welsh Water Authority,
1978-1986.
Includes Water quality: supplement to the fourth annual report; from 1980 published as a separate entity entitled Annual report of the Water Quality Committee.
Merged with: Annual accounts for the year ending 31st March (Welsh Water Authority), to form: Report and accounts (Welsh Water Authority).
Welsh Water Authority
Annual report


Annual report of the Water Quality Committee for the year ending 31st March