“Nonpoint source (NPS) pollution” means pollution caused by sources that are not regulated as point sources, such as pollution caused by runoff from agricultural, silvicultural, and urban areas.

Source. (See Revision Notes #1-#3 at chapter heading for Env-Wq 500) #10984, eff 12-1-15; ss by #13511, eff 12-20-22 (formerly Env-Wq 502.34)