§ 12-106. Scope of defendant's liability established. A person shall be deemed to have affected a target community based upon the following grades of offenses:

1. For a grade one violation, the county in which the place of participation by the defendant is situated;

2. For a grade two violation, the community described in subdivision one of this section along with all counties with a border contiguous to such community;

3. For a grade three violation, the community described in subdivision two of this section plus all counties with a border contiguous to such community; and

4. For a level four offense, the entire state.