Illinois Administrative Code (Last Updated: March 27, 2024) |
TITLE35. ENVIRONMENTAL PROTECTION |
PART620. GROUNDWATER QUALITY |
SUBPARTB. GROUNDWATER CLASSIFICATION |
§ 620.201. Groundwater Designations |
§ 620.210. Class I: Potable Resource Groundwater |
§ 620.220. Class II: General Resource Groundwater |
§ 620.230. Class III: Special Resource Groundwater |
§ 620.240. Class IV: Other Groundwater |
§ 620.250. Groundwater Management Zone |
§ 620.260. Reclassification of Groundwater by Adjusted Standard |