Apologies for my late reply, ...
Published by Jakobus van Zyl, University of Cape Town - Professor
Apologies for my late reply, Mick (assumed the system will let me know when there is new activity on this thread).
I've attached three papers that represent our main work on municipal storage reservoir reliabliity.
Yes, we assumed a failure to occure whenever the reservoir runs dry.
Best,
Kobus