aquifer

Oil production and groundwater aquifers

Sep 6, 2017
Greta Mart/KCBX

Oil companies in California produce more water than oil. That has created a problem: what to do with all of that unwanted water? In most cases that wastewater is injected back into the ground, deep below the aquifer. But in some cases, injections may have contaminated federally protected aquifers that could be clean enough for drinking water.