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SB 4 Draft Environmental Impact Report


On January 14th, the Department of Conservation, through its Division of Oil, Gas and Geothermal Resources, published a Draft Environmental Impact Report (EIR) titled “Analysis of Oil and Gas Well Stimulation Treatments in California.”

This Draft EIR analyzes the impacts of well stimulation treatments, including hydraulic fracturing (commonly known as “fracking”), performed in a manner consistent with the Division’s proposed permanent regulations that would amend California Code of Regulations Title 14, Division 2, Chapter 4, Subchapter 2. This EIR’s analysis assumes that well stimulation treatments could occur either within or outside of existing oil and gas field boundaries. For the purposes of this EIR the “Project” is defined as all activities associated with a stimulation treatment that could occur either at an existing oil and gas well, or an oil and gas well that is drilled in the future with the intent to stimulate the well, or a well drilled with a reasonable possibility of becoming subject to a stimulation treatment.

On September 20, 2013 Governor Edmund G. Brown, Jr. signed into law Senate Bill 4 (Pavley) to establish a comprehensive regulatory program for oil and gas well stimulation treatments. Senate Bill 4 also requires the Division of Oil, Gas and Geothermal Resources to prepare an Environmental Impact Report (EIR) pursuant to the California Environmental Quality Act (CEQA) (Division 13 of the Public Resources Code (commencing with Section 21000)) in order to provide the public with detailed information regarding any potential environmental impacts associated with well stimulation treatments in California.

Click here to view the SB4 Draft EIR. 

Below are links to documents relevant to public participation. 

Public Review of the Draft EIR

The public review period for this Draft EIR began on January 14, 2015 and will end on March 16, 2015. Comments on the Draft EIR may be submitted and must be received in writing on or before March 16, 2015 (62 days after the date of the posting of the Notice of Availability with the State Clearinghouse within the Office of Planning and Research). Written comments may be sent by regular U.S. Mail or other carrier to:

Ms. Adele Lagomarsino
Department of Conservation
Division of Oil, Gas and Geothermal Resources
801 K Street, MS 18-00
Sacramento, CA 95814

Written comments submitted via e-mail communication are encouraged; however, please remember to include your name and return address in the e-mail message. E-mail messages and attachments should be sent to:

The Department of Conservation will also conduct six public meetings to receive verbal and written comments on the Draft EIR, consistent with State CEQA Guideline Section 15087, subdivision (i).

To review the “Notice of Availability” please click here.

Final EIR
  • Final EIR