Skip to main content
U.S. flag

An official website of the United States government

This site is currently in beta, and your feedback is helping shape its ongoing development.

Hydraulic Fracturing

Published by California Department of Conservation | State of California | Metadata Last Checked: December 28, 2025 | Last Modified: 2019-04-16T00:00:00.000Z
This online map locates the wells that have NOI records in the CalGEM WellSTAR database, and provides well NOI information including operator, lease, Notice of Intention (NOI), NOI date, type, and status. Notice of Intention (NOI): File prior to commencement of drilling operations, along with a general plan showing the proposed location and the total depth. Submit with proper bond (if needed).CalGEM is the Geologic Energy Management Division of the California Department of Conservation, formerly the Division of Oil, Gas, and Geothermal Resources (as of January 1, 2020).WellSTAR homepageUpdate Frequency: As Needed

Complete Metadata

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov