Earth Sciences Division (ESD) Department of Energy (DOE) Lawrence Berkeley National Laboratory (LBNL)

CO2 Geological Storage & Groundwater Resources(EPA-NETL)

This project addresses concerns about the nation’s groundwater resources and their potential vulnerability in case of large-scale deployment of CO2 geological storage. For example, leakage of CO2 from depth and subsequent migration into shallow aquifers could result in water quality changes. Furthermore, the displacement of native brines caused by injection of large volumes of CO2 could impact the basin-scale hydrology of shallower groundwater systems, depending on the level of hydraulic communication between them. Two main research tasks address these concerns, jointly coordinated by the US Environmental Protection Agency (EPA) and the National Energy Technology Laboratory (NETL):

  1. Understanding Groundwater Quality Changes in Case of CO2 Intrusion (Task A)
  2. Large-Scale Hydrological Evaluation and Modeling of Impact on Groundwater Systems (Task B)