Libertarian Economics leading to "The Tragedy of the Commons"

Not sure why i post if no one comments... but Here is the Kind of Water Problems Africa has.

Open pit wells along a riverbed have been poisoned (possibly intentionally) with Tick Treatment.  The locals suspect the contractors for the China-funded railway to be seeking the river sand for their construction needs and attempting to chase away other users of the riverbed.   The government is investigating the exact poison used and the perpetrators.

Poisoned Wells in Kenya.