Mark Nechodom, the director of the California Department of Conservation, which oversees the Division of Oil, Gas and Geothermal Resources (DOGGR), resigned Thursday in a one-paragraph letter to Resource Secretary John Laird which did not give a reason for his departure.
During his tenure, DOGGR has been criticized by the U.S. Environmental Protection Agency for allowing oil producers to drill of oilfield wastewater disposal wells into federally protected aquifers.