Description: The interpretation of geoscientific data within the context of geomorphology, geology, and hydrogeology leads to a better understanding of water balance and volume within an aquifer. This helps to establish guidelines for aquifer development and sustainability, and aids in water supply planning efforts and regulatory applications.

Author: Greg Brennan (Iowa Geological Survey)*

Author Bio: Greg’s expertise is in the area of groundwater supply. He is a Certified Hydrogeologist and Licensed Geologist with 36 years of experience gained in both research with the Iowa Geological Survey and as a consultant.