It is illegal to use dynamite to catch fish.

The Law Explained

Under the state's Fish and Boat Code, detonating explosives, including dynamite, to harvest aquatic life is explicitly outlawed. In the early days of commercial fishing and mining, tossing a stick of dynamite into a creek was considered a highly efficient, though devastatingly destructive, way to collect dinner. The law was enacted to protect the state's waterways from being permanently blown to bits.