Section 7.06 - Prohibitions(1) No person owning or maintaining a sewer system shall operate such system in a manner, or allow additional sewer extensions or sewer connections to the system that would result in: (a) Any surcharging, overflow or bypassing of the system that is not authorized by a discharge permit issued by the Department pursuant to M.G.L. c. 21, § 43; or(b) An increase in a surcharge, overflow or bypass permitted by the Department which increase would result in the elimination of an existing beneficial use of the receiving waters as established in the Massachusetts water quality standards, or the creation of a hazard to the public health or safety; or(c) Any violation of the provisions of 314 CMR 12.00: Operation and Maintenance and Pretreatment Standards for Wastewater Treatment Works and Indirect Dischargers.(2) No person owning, maintaining or using a sewer connection shall discharge or allow the discharge of wastewaters through such connection which would result in a hazard to the public health or safety or a violation of the provisions of 314 CMR 7.00 or 12.00: Operation and Maintenance and Pretreatment Standards for Wastewater Treatment Works and Indirect Dischargers.(3) No person shall construct or allow the construction of sewer lines and associated appurtenances within a Zone I of a Public Water Supply Well or the Zone A of a Public Surface Water Supply, unless the construction is necessary to eliminate existing sources of pollution or to cross a tributary to the surface water. In cases where construction within Zones I or A is necessary, the construction of the sewer lines and associated appurtenances shall be designed using watertight construction methods.Amended, Mass Register Issue 1259, eff. 4/25/2014.