Water use site. A Water Use site is a physical entity, thing, or place where a quantity of water is either measured or estimated. WU_SITE_##.naics_cd WU_SITE_##.sic_cd Address. A street or mailing address. WU_SITE_##.addr_id Place of use site. The type of Water Use place of use. WU_SITE_##.psite_cd/WU_SITE_##.psite_sub_cd WU_SITE_##.surface_water_id Minor Civil Division. A term used by the United States Census Bureau to designate the primary governmental and/or administrative divisions of a county.