Police are deploying the dive squad today as the search for Kim Louise Richmond continues.
Divers will search Lake Arapuni and Lake Waipapa.
Kim was reported missing from the Te Awamutu/Otorohanga area last week. She was last seen on the morning of Sunday 31 July 2016 when she left her home in a silver 2014 Ford Ranger utility, registration number HKD553.
It is believed Ms Richmond headed in a southerly direction from her Wharepapa South farm.
Police have had no sightings of her or her vehicle since then.
She is 42-years-old and is described as being of thin build, about 162 cm tall with an olive complexion and dark hair.
Ms Richmond has a hearing disability and at the time of her disappearance she was wearing a Highlanders rugby jersey, blue jeans, brown leather jacket and brown leather boots.
Anyone with any information related to Ms Richmond's whereabouts should contact Detective Sergeant Paul Van Der Zee of the Te Awamutu CIB on 07 8720100.
Alternatively, information can be left anonymously with Crimestoppers on 0800 555 111.
ENDS
Police Media Centre