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State
Hydraulic Fracturing
State of California —
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... -
State
Earthquake Zones of Required Investigation
State of California —
The California Earthquake Hazards Zone Application ("EQ Zapp") is an online map that allows anyone with a computer, tablet or smartphone to conveniently check... -
State
Acid Fracturing
State of California —
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... -
State
CGS Seismic Hazards Program: Unevaluated Areas
State of California —
This is a digital Seismic Hazard Zone Map presenting areas where liquefaction and landslides may occur during a strong earthquake. Three types of geological hazards,... -
State
DMR All Mines
State of California —
This service presents location, status, and other information regarding mining operations regulated under the Surface Mining and Reclamation Act of 1975 (SMARA) in... -
State
California Important Farmland: Most Recent
State of California —
This dataset may be a mix of two years and is updated as the data is released for each county. For example, one county may have data from 2014 while a neighboring... -
State
WellSTAR: Notices
State of California —
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... -
State
Acid Matrix
State of California —
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... -
State
California Important Farmland Finder
State of California —
This application provides an easy way to calculate the area and type of Important Farmland in an area of interest.Important Farmland Maps are compiled by the Farmland... -
State
California Important Farmland: 1996
State of California —
Established in 1982, Government Code Section 65570 mandates FMMP to biennially report on the conversion of farmland and grazing land, and to provide maps and data to... -
State
Well Stimulation Permit
State of California —
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... -
State
Well Stimulation Permit
State of California —
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... -
State
Geologic Map of California (2010)
State of California —
This edition of the Geologic Map of California was prepared in recognition of the California Geological Survey's 150th Anniversary. It is an all-digital product built... -
State
DMR Lead Agencies
State of California —
Boundaries of lead agencies responsible under SMARA for regulating mine reclamation. -
State
CGS Mineral Hazards: Indoor Radon Potential Zones
State of California —
This digital layer contains polygons (vector format) of portions of California designated as having high, moderate, low, or unknown potential for homes to exceed the... -
State
California Important Farmland: 1994
State of California —
Established in 1982, Government Code Section 65570 mandates FMMP to biennially report on the conversion of farmland and grazing land, and to provide maps and data to... -
State
WellSTAR Notices and Permits: Submitted Notices of Intention
State of California —
This online map provides the locations of submitted Notice of Intention (NOI) records from CalGEM’s Well Statewide Tracking and Reporting System (WellSTAR) database.... -
State
Post Primacy Aquifer Exemptions
State of California —
This post primacy aquifer exemption data depicts areas exempted by the US EPA for Class II injection after the March 14, 1983 Primacy agreement between the US EPA and... -
State
California Important Farmland: 2002
State of California —
Established in 1982, Government Code Section 65570 mandates FMMP to biennially report on the conversion of farmland and grazing land, and to provide maps and data to... -
State
WellSTAR Underground Gas Storage: Project Wells
State of California —
This online map displays California’s active Underground Gas Storage (UGS) projects and wells associated to UGS projects. Project data and well data are provided by...