Option (1) is incorrect: A private action lies in public nuisance when the damage caused is direct, substantial and consequential.
Option (2) is incorrect: A private action lies in public nuisance when the damage caused is direct, substantial and consequential.
Option (3) is incorrect: A private action lies in public nuisance when the damage caused is direct, substantial and consequential.
Option (4) is correct: A private action lies in public nuisance when the damage caused is direct, substantial and consequential.