HI SB984

Establishes civil liability for landowners possessing 10,000 or more acres in Hawaii for fines and damages when runoff from their land enters state waters

Defines "runoff" as water, silt, water pollutants, or debris originating from agricultural facilities or lands used for agricultural enterprises

Directs the Department of Health to prioritize enforcement of water pollution control regulations in rural areas with existing reports of runoff and water pollution

Addresses climate change-related extreme rainfall events that have caused reef damage, citing a 20% reduction in fish population and 40% reduction in sea urchin population near Kauaʻi following 2002 and 2018 runoff events

Takes effect July 1, 3000 (placeholder date)