1.   35,000,000 l/day water leakage is completely unacceptable.   Why not concentrate more on repairs?   How is it that drains (for sewage, etc) apparently don’t leak?
2.   Are you keeping updated on water treatment methods, in case some become necessary?   Are you up to date with reverse osmosis treatment plants?
3.   If some sort of poison were introduced into your water mains, possibly by a foreign power, are you well prepared to decontaminate parts of your network quickly and efficiently to restore supplies as soon as possible?