Amends GS 18B-1006 to require a permit holder of an on-premises malt beverage permit, on-premises unfortified wine permit, on-premises fortified wine permit, or mixed beverages permit issued under GS 18B-1001 to furnish drinking water without charge to any  customer (defined) on the licensed premises requesting the water during the hours when it is authorized to sell alcoholic drinks. Provides for requirements concerning the purity of the drinking water.  Retroactive to July 1, 2025, appropriates $15,000 from the General Fund to the Division of Alcohol Law Enforcement in the Department of Public Safety for 2026-27 to make information posters about the new requirement. Provides for distribution and prominent display of posters.