N.Y. PBH Law § 1107

§ 1107. Orders of commissioner. 1. When the commissioner, after\ninvestigation of the condition of any public water supply used for\ndrinking or other domestic purposes, whether maintained and operated by\na municipality, water district or private corporation, company or\nindividual, shall certify to the board, corporation, company, officer or\nperson in charge of the maintenance and operation of such water supply\nthat in his opinion such water supply is so polluted or subject to\ndangerous pollution or so inadequate or of such objectionable physical\nquality as to constitute a menace to the public health and shall order\nreasonable improvements to be made for the protection of public health\nand such municipality, water district or private corporation, company or\nindividual maintaining and operating such water supply shall fail to\ncarry out such order forthwith, any court of competent jurisdiction may,\nupon the application of the commissioner, enforce prompt compliance with\nsuch order.\n 2. Service of the certificate by the commissioner as aforesaid shall\nbe made upon the mayor or corporation counsel of the municipality or\nupon an officer of the water district or private corporation or company\nas the case may be.\n 3. The commissioner shall promulgate regulations to provide for\nimmediate public notice, in a manner prescribed by such regulations, of\nthe existence of a public health hazard concerning any public water\nsupply.\n