How does the Alliance know that the CO2 storage area will not interfere with groundwater?
Groundwater suitable for drinking is much shallower than the depths of the proposed target formations for CO2 storage. The Candidate Sites have from 1300 to more than 5000 feet of rock separating the two, as well as multiple impermeable seals or caprocks between the target formation and overlying formations with potable water resources. The storage formations selected are not a source of drinking water as defined by EPA established salinity levels. Salinity levels in these saline formations are, in some cases, 10 times greater than that of ocean water.
