ExperimentalWe used data and feedback to make a user-friendly site. We’d love your feedback.
Back to data.ca.gov.

Compiled SWP Radiological Data

Preview

Published by:
California Department of Water Resources
Last updated:
January 15, 2026
File details:
N/A
Access data:
Description:

A compiled list of radiological/radionuclide analysis results for the SWP Routine Water Quality Monitoring Project. These samples are collected four times per year at 3-4 sites. Results prior to 2010 have not been compiled into CSV format but are available as laboratory reports. These reports can be obtained by submitting a [record request](https://californiadwr.mycusthelp.com/WEBAPP/_rs/(S(3q2tw3v2guzqsnh1objifgtv))/supporthome.aspx). Data from 2010 and after are available in CSV format in this dataset.

Data preview

You’re previewing the first 50 rows of this file.

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