With the passing of law AB 1322 in 2023 and the recent passing of AB 2552 in September 2024, the options for managing California ground squirrels using lethal methods in urban areas will be more limited. Despite these changes, there are still some viable options available for managing California ground squirrels.

Fumigants

Fumigation can be challenging in urban areas due to the risk of toxic gases leaking into buildings through burrows. However, some burrow fumigants can be used effectively if applied at a safe distance from structures. Be sure to consult the fumigant label for specific usage criteria. Fumigants are lethal to any animal residing within the burrow.

Beginning July 2023,...