W. Va. Code § 16-13-17
The municipality and any county government, state government and federal government served by the services of the works shall be subject to the same fees, charges and rates established as provided in this article, or to fees, charges and rates established in harmony therewith, for service rendered the municipality, county, state or federal government and shall pay such rates, fees or charges when due from corporate funds and the same shall be considered to be a part of the revenues of the works as herein defined, and be applied as herein provided for the application of the revenues. However, no rates, fees or charges for stormwater services may be assessed against highways, road and drainage easements, and/or stormwater facilities constructed, owned and/or operated by the West Virginia division of highways.
W. Va. Code § 16-13-17