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Reports - Groundwater Archive

Determination of Atrazine, Bromacil, Diuron, Hexazinone, Metribuzin, Norflurazon, Prometon, Prometryn, Simazine, Desethylatrazine, Norflurazon Desmethyl, Desisopropylatrazine, Diaminochlorotriazine, Tebuthiuron and Clothianidin in Groundwater by Liquid Chromatography Triple Quadrupole Mass Spectrometry

Analysis of Aminopyralid in Groundwater by Liquid Chromatography Triple Quadrupole Mass Spectrometry

October 14, 2022

Determination of Metribuzin, Metribuzin Desamino, Metribuzin Diketo, and Metribuzin Desaminodiketo in Groundwater by Liquid Chromatography Electro Spray Ionization Mass Spectrometry

February 2, 2023

Determination of 62 Pesticides in Groundwater by Liquid Chromatography Tandem Mass Spectrometry and Gas Chromatography Tandem Mass Spectrometry

Protect Your Drinking Water

Status Codes

Letter Codes Used in the Online Well Inventory Database Tables

Well Inventory Database Excluded Data

The Counties and Meridians of California

January 1, 2017

Use Requirements (Management Practices) for Runoff GWPAs, except Inside Canal and Ditch Banks and Artificial Recharge Basins, and on Engineered Rights of Way

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