California officials have ordered an emergency shut-down of 11 oil and gas waste injection sites and a review more than 100 others in the state's drought-wracked Central Valley out of fear that companies may have been pumping fracking fluids and other toxic waste into drinking water aquifers there. The state's Division of Oil and Gas and
California Halts Injection Of Fracking Waste, Warning It May Be Contaminating Aquifers
State’s drought has forced farmers to rely on groundwater, even as California aquifers have been intentionally polluted due to exemptions for oil industry.