Unless the context otherwise requires, the definitions in this section shall govern the construction of the following terms as used in this article:

1. 1. "Plan" shall mean the comprehensive management plan established pursuant to section 55-0115 of this article.
2. 2. "Recharge" shall mean the downward movement of water to the water table through the soil overlying an aquifer.
3. 3. "Special groundwater protection area" shall mean recharge watershed area within a designated sole source area contained within counties having a population of one million or more which is particularly important for the maintenance of large volumes of high quality groundwater for long periods of time.
4. 4. "Watershed" shall mean an area where water drains into a specific basin or reservoir, or, for groundwater, a region where water is abundantly recharged to the subsurface groundwater reservoir.