A suspected P-manufacturing operation was uncovered by accident when police made a routine bail visit near Te Awamutu.
Police said when they arrived at the rural address in the Te Kawa/Ngahape area they uncovered drug manufacturing activities.
A 26-year-old Waikato woman, who was at the address, appeared in Hamilton District Court today on drug-related charges.
Waikato organised crime staff and a clandestine laboratory team completed a full search of the property today and conducted preliminary tests.
A large number of suspected methamphetamine-related exhibits and product was also seized, police said in a statement.