Ill. Admin. Code tit. 35, pt. 671, subpt. C, app C
Current through Register Vol. 48, No. 49, December 6, 2024
If hydrogeologic information (e.g., transmissivity, porosity, hydraulic gradient, hydraulic conductivity, and saturated thickness of the aquifer) is available the lateral area of influence can be calculated for unconfined/confined unconsolidated or non-fractured bedrock aquifers as follows:
The distance to the upgradient divide is established as the distance to the upgradient regional groundwater divide.
Ill. Admin. Code tit. 35, pt. 671, subpt. C, app C