N.Y. Comp. Codes R. & Regs. tit. 10, § 7-5.13
An agricultural fairground owner shall provide and maintain facilities for the adequate disposal or adequate treatment and disposal of sewage at an agricultural fairground, and ensure that such facilities meet the following requirements:
(a) Submission of plans.
A plan for a proposed new or modified sewage collection and/or treatment facility shall be submitted to the permit-issuing official at least 30 days prior to beginning construction of such facility.
(b) Plan approval and construction.
A permit or written approval for the sewage collection and/or treatment system plan(s) shall be obtained from the permit-issuing official and/or the New York State Department of Environmental Conservation. No construction of a new or modified sewage treatment facility shall be commenced until all required permits and/or written approvals have been received by the applicant. Construction shall be in accordance with the approved plans.