WATER police have been patrolling the mouth of the Patterson River at Carrum on a daily basis over the summer holiday period in a major crackdown on jet-ski activity and boating safety. Jet-skiers have become the focus of increasing resentment among beachgoers across Port Phillip Bay and Patterson River is one of the most popular launching spots. Swimmers and jet skiers were out in force over the Australia Day long weekend, however water police officers said no serious incidents were reported. Acting Senior Sergeant Alistair Nisbet said water police had received numerous complaints in recent times about dangerous, or often…