W.VA. CODE ANN. §8-23-2. Definitions
For the purposes of this article:
(1) The term “public agency” shall mean any municipality, county or other political subdivision of this State, or any county board of education of this State; and
W.VA. CODE ANN. §8-23-3. Intergovernmental agreements generally.
Any power or powers, privilege or privileges, authority or undertaking, exercised or capable of exercise, or which may be engaged in, and any public works which may be undertaken, by a public agency acting alone may be exercised, enjoyed, engaged in or undertaken jointly with any other public agency which could likewise act alone.
Any two or more public agencies may enter into a written agreement with one another for joint or cooperative action pursuant to the provisions of this section. Appropriate action by ordinance, resolution or otherwise pursuant to law of the governing bodies of the participating public agencies shall be necessary before any such agreement shall become effective. Any separate legal or administrative entity established hereunder is a public corporation and may exist for the length of time set forth in the intergovernmental agreement.
Link to the full statute can be found here: