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State of California Open Data

tTEM Survey FAQ

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Published by:
California Department of Water Resources
Last updated:
August 4, 2026
File details:
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Description:

This frequently asked questions (FAQ) document provides general information about towed-electromagnetic surveys. For additional information or questions, email us at Basin.Characterization@water.ca.gov.

API endpoint

Dataset Name

Use the query web API to retrieve data with a set of basic parameters. Copy the API endpoint you need to start.

Usage documentation