New York Consolidated Laws, Real Property Tax Law - RPT § 485-d. Water-works corporations

Real property situated in a city with a population of one million or more owned by a water-works corporation subject to the provisions of the public service law and used exclusively for the sale, furnishing and distribution of water for domestic, commercial and public purposes, shall be wholly or partially exempt from taxation provided that the local legislative body of such city within which such property is situated adopts a local law so providing.