The CASGEM website will be undergoing maintenance and will be unavailable October 25th, 2023 from 5:00pm - 7:00pm
Welcome to the CASGEM Online System
Since 2009, DWR's CASGEM Program has tracked seasonal and long-term groundwater elevation trends statewide.
Recently, DWR has been working on important updates to the CASGEM Online System.
Learn More about CASGEM
Join the Program
Become a data collector to submit data to the CASGEM Online System by reaching out to casgem@water.ca.gov
Contact DWR
Subscribe for the Latest Information
Stay up-to-date on the latest CASGEM Program information
Subscribe
Data View Groundwater Well Data
View information for wells and their related elevation readings
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Data View Basin Notification Information
View basin monitoring information for organizations participating in CASGEM
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Import Wells
Import Elevation Readings
Assign To Reviewer
Return Monitoring Area
Delete Notification File
Are you sure you want to delete this notification file?
Close Notification
Amend Notification
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Enter an Activity Log Comment
Delete Notification
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Delete Monitoring Area
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Delete Notification File
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Amend Notification
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Submit Notification
This notification will be submitted to the Department of Water Resources for designation. Please review the details below to ensure accuracy.
