Any toilet or receptacle for human excrement at or in connection with any public place shall be constructed and maintained so that flies cannot gain access to the excremental matter contained therein and such excremental matter shall at all times be prevented from flowing over or upon the surface of the ground and shall be prevented from gaining access to any of the waters of this State; provided, however, that this section shall not apply to effluent from sewage disposal plants which have been or hereafter may be approved by the State Department of Health.
N.J.S. § 26:2-64