Category 5 includes: Commercial applicators (for hire, not for hire, and government employees) and businesses using pesticides (weed killers, algae killers, unwanted & trash fish killers, etc.) purposefully applied to standing water (such as ponds and lakes), running water (such as creeks and streams), wetlands and related areas such as riprap.
It does not include applications to water or wetlands for the control of mosquitos (
Category 8).