N.Y. Lab. Law § 377

§ 377. Drinking water. Every mercantile establishment, restaurant, and\nevery station, terminal or car barn where women employees of a street,\nsurface, electric, subway or elevated railroad report for duty shall\nprovide at all times for the use of employees a sufficient supply of\nclean and pure drinking water, and if placed in receptacles, the same\nshall be properly covered and kept clean.\n