A general permit may be issued for a category of discharges or injections of fluids through a well which:
1. Corresponds with an existing geographical or political boundary;
2. Involves the same or similar types of discharge or injection;
3. Requires the same limitations or conditions in a permit;
4. Requires the same or similar monitoring; or
5. In the opinion of the Department, is more appropriately regulated by a general permit rather than an individual permit.