Herbicide Tracker California

Applications

228 published applications. Each row shows a reported application, with its product lines together. Separate reports are not combined into assumed projects.

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What the colours mean
California Restricted Material

A pesticide subject to California restricted-material requirements, supported by a county permit or another official source.

Federal Restricted Use

Classified by the U.S. EPA for use by, or under the direct supervision of, a certified applicator.

DPR Water Protection List

On DPR’s official Groundwater Protection List, 3 CCR section 6800, effective July 1, 2026. DPR identifies these chemicals as having the potential to pollute groundwater. This current listing is shown alongside historical application records.

View the DPR source
Environmental concern

A sourced finding about soil mobility, aquatic toxicity, runoff or persistence.

Label hazard

A product label’s DANGER or WARNING signal word, protective equipment requirement, buffer or aquatic-use restriction.

Aerial

Applied from a helicopter or aircraft. This describes the application method.

A groundwater listing is separate from restricted-material status and does not establish contamination or a violation at a particular site. An application with no flags has no recorded flag; that does not establish that it is harmless.

DateApplication / reported siteOwnerReported operator / permitteeApplicatorAcresChemicals appliedUse siteMethod
Mar 20, 2026Report WEB2620730482
Del Norte County
N/AGREEN DIAMOND RESOURCESSouthwest Forestry16.5Clopyralid, monoethanolamine salt, Sulfometuron-methyl, Triclopyr, triethylamine salt
GARLON 3A, OUST XP HERBICIDE, TRANSLINE
+ 1 tank additive
DPR Water Protection List
Forestry / timberlandGround
Mar 20, 2026Report WEB2620730392
Del Norte County
N/AGREEN DIAMOND RESOURCESSouthwest Forestry15.5Triclopyr, triethylamine salt
GARLON 3A
+ 1 tank additive
Forestry / timberlandGround
Mar 20, 2026Report WEB2620730453
Del Norte County
N/AGREEN DIAMOND RESOURCESSouthwest Forestry15.5Clopyralid, monoethanolamine salt, Imazapyr, isopropylamine salt, Sulfometuron-methyl
ALLIGARE IMAZAPYR 4 SL, OUST XP HERBICIDE, TRANSLINE
DPR Water Protection List
Forestry / timberlandGround
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California pesticide applications by use site — page 10 · Herbicide Tracker California