Key factors for determining groundwater impacts due to leakage from geologic carbon sequestration reservoirs

- We assess potential impacts to groundwater quality due to CO2 and brine leakage.
- We calculate thresholds under which “no impact” to groundwater occurs.
- We describe the time scale for impact on groundwater.
- We discuss the probability of detecting a groundwater plume.
- Plumes are smaller than the average inter-well spacing for these aquifers.