The legal limit for motorists aged 20 and over is 250 micrograms of alcohol per litre of breath - or 50 milligrams per 100 millilitres of blood - while there is a zero limit for motorists aged under 20.
She said a male motorists, aged 30, stopped on View St, Maungaturoto, at 1.30am on Saturday allegedly recorded a level of 678mcg and was charged with drink driving. A 31-year-old female motorist stopped on Awakino Rd, Dargaville on Friday evening allegedly had a reading of 651mcg and she was charged with driving with excess breath alcohol.
Police called to Paramount parade, Tikipunga, about 12.45am on Saturday found a man allegedly waving a knife around in public.
He had also driven to the road and a test found he allegedly had a level of 487mcg.
An 18-year-old man stopped in central Whangarei about 4am on Saturday allegedly recorded a level of 372mcg and was charged with driving with excess breath alcohol. And a 23-year-old man stopped on State Highway 12, Ruawai, at 12.15am on Sunday allegedly had a reading of 678mcg.
He was charged with driving with excess breath alcohol fora third or subsequent time.