On July 1, 2026, the California Department of Pesticide Regulation (DPR) announced it had reached a settlement with Keystone Pest Solutions to resolve allegations related to the sales of certain pesticide products. The penalty of nearly $200,000 relates specifically to sales of the following restricted materials: 2,4-dicholophneoxyacic acid (2,4-D), diuron, carbaryl, dimethylamine salt of dicamba, dimethylamine salt of 2-methyl-4-chlorophenoxyacetic acid, and Simazine. The specific allegations...
Archives
On June 12, 2026, the California Department of Pesticide Regulation (DPR) announced proposed revisions to its enforcement response regulations. The initiative proposes to increase fines, revise the criteria for referring violations to enforcement, re-define violation types, and make other clarifications or amendments to enforcement procedure. The last major substantive update to the regulations took place in 2006. Purpose and Substance of Proposal DPR states that the proposed action...
On June 5, 2026, the California Department of Pesticide Regulation (DPR) issued California Notice 2026-05 announcing the availability of the semiannual report summarizing the reevaluation status of pesticide products during the period of July 1, 2025, through December 31, 2025. All pesticides sold or distributed in the United States must be registered with the U.S. Environmental Protection Agency (EPA) before they can be used. DPR evaluates all pesticides before they can be sold or used in...
On November 13, 2025, the California Department of Pesticide Regulation (DPR) held a webinar to discuss potential changes to its Enforcement Response Regulations set forth at 3 C.C.R. Sections 6128 and 6130. DPR also released its Discussion Document explaining the various regulatory “concepts” it is considering and posing questions for public input related to those concepts. The proposed focus areas are designed to address areas of improvement identified in a U.S. Environmental...
June 30, 2025
DPR Issues California Notice 2025-08 Adding and Revising Multilingual Translation on Pesticide Labeling
On June 26, 2025, the California Department of Pesticide Regulation (DPR) issued California Notice 2025-08 announcing that pesticide registrants may add or revise multilingual translation of its labels by non-notification. With this change, DPR now is consistent with the U.S. Environmental Protection Agency’s (EPA) decision to allow pesticide registrants to add the required Spanish-translated sections on its labels by non-notification as part of the Spanish translation requirements under the...
July 23, 2024
DPR Announces Modifications to Its Proposed First-of-Its-Kind Pesticide Application Notification System
On July 2, 2024, the California Department of Pesticide Regulation (DPR) announced the release of modifications to its proposed pesticide application notification regulation. DPR states this regulation will support the statewide implementation of what it describes to be a “first-of-its-kind” system that would provide information to the public in advance regarding the planned applications of “restricted material pesticides” used in agriculture. DPR initially proposed the regulation on...
On May 24, 2024, the California Department of Pesticide Regulation (DPR) issued California Notice 2024-10 announcing that the U.S. Environmental Protection Agency (EPA) and DPR have made recent policy changes regarding state-specific language on pesticide labels intended to reduce delays related to state-specific uses. As part of DPR’s evaluation process when reviewing a new registration application, DPR may determine there are not sufficient data to support registration of a specific use in...
April 1, 2024
California DPR Announces Webinar to Be Held on April 23, 2024, to Discuss Proposed Registration Fee Increase
On March 29, 2024, the California Department of Pesticide Regulation (DPR) announced it will hold a webinar on Tuesday, April 23, 2024, at 10:00 a.m. (PDT) to discuss and receive feedback from registrants and other stakeholders on its intent to increase registration fees to a level that, according to DPR, supports the current and future business needs of the pesticide registration program. DPR states it has determined that current registration fees are not sufficient to support the ongoing work...
On June 8, 2023, the California Department of Pesticide Regulation (DPR) issued Notice 2023-07: Pesticide Registration Program Annual Processing Timelines. Under Notice 2023-07, DPR sets forth its annual report summarizing the past five years of registration and post-registration activities. This includes the number of pesticide product registration and amendment submissions received and processed, and average number of days to complete different types of registration submissions are also...
November 30, 2022
California Department of Pesticide Regulation Issues an Enforcement Action against TriCal and Announces Proposed Rule on Additional Use Restrictions on 1,3-D
On November 15, 2022, the California Department of Pesticide Regulation (DPR) made two announcements: an enforcement action relating to 1,3-Dichloropropene (1,3-D) and chloropicrin and an announcement on a proposed rule on additional use restrictions on 1,3-D. These actions may have significant impacts on registrants and growers who use soil fumigants. Enforcement Action DPR issued a licensing action against TriCal, a company that performs field fumigations, primarily using...