Cardno ENTRIX Welcomes John R. Jansen, Ph.D., Senior Managing Hydrogeologist
Cardno ENTRIX would like to welcome John Jansen, Ph.D. to the Ft. Myers, Florida office. John is a Senior Hydrogeologist with over 25 years of experience in his field; he has a wealth of experience in groundwater resource development, engineering and environmental geophysics, groundwater modeling, and wellhead protection. John has conducted over 200 ground water resource investigations throughout the United States and Mexico. He is the author of numerous publications and presentations on groundwater related topics including the borehole geophysics section in the upcoming third edition of Groundwater and Wells, and holds three patents on well rehabilitation, horizontal drilling, and in-situ radium treatment.
Please contact John for assistance on your next project at 239-574-1919.