Upper Hunter Weeds Authority (UHWA), is the registered trading name of Upper Hunter County Council (UHCC). 

The Upper Hunter County Council (UHCC) is a single purpose Council which is a Local Control Authority for invasive plants under the NSW Biosecurity Act, 2015.  The present area of operation of UHCC is the local government areas of Upper Hunter, Muswellbrook and Singleton located at the northern end of the Hunter Valley, New South Wales. The County Council’s governance is in accordance with the Local Government Act 1993 (LGA 1993) with the County Council being first proclaimed on 1 January 1991.

UHWA provides effective integrated weed management systems utilizing the latest technology to prevent, contain or reduce the biosecurity risk of invasive plants to the environment, economy and community within the area of operation of the County Council.