Events

such as (like) these raise again the question of dam safety in Britain.

In Britain, age

is the element that seems to pose the most risk.

In Britain, age

seems to be the element that poses the most risk.

There is no such thing

as perfect legislation.

Authorities have rarely
been prosecuted

for failing (failure) to remedy a defective dam.

Some dams have never been inspected although

there is a statutory obligation to do so.

Some dams have never been inspected although

a statutory obligation to do so exists.