Illinois · Regulations
Subpart B
7 sections
7 sections
- 35 Ill. Adm. Code 620.201Groundwater Designations
- 35 Ill. Adm. Code 620.210Class I: Potable Resource Groundwater
- 35 Ill. Adm. Code 620.220Class II: General Resource Groundwater
- 35 Ill. Adm. Code 620.230Class III: Special Resource Groundwater
- 35 Ill. Adm. Code 620.240Class IV: Other Groundwater
- 35 Ill. Adm. Code 620.250Groundwater Management Zone
- 35 Ill. Adm. Code 620.260Reclassification of Groundwater by Adjusted Standard