At a time when substantial changes are taking place, or are proposed,
in the organizational structure for preventing water pollution in Scot
land, the paper makes the case for maintaining the status quo. The Sco
ttish system relies on 10 independent river purification authorities c
omprising elected and appointed members, with considerable freedom to
set water quality objectives and standards in light of local circumsta
nces. The staff of the authorities provide a rapid and well-informed r
esponse to pollution problems and the result has been substantial prog
ress in cleaning up Scotland's water by optimal use of carefully targe
ted resources.