Section 30.702 - Surface Water Supplies(1) No active portion of a new hazardous waste landfill, land treatment unit, surface impoundment or waste pile shall be located within the watershed of a class A or class SA segment of a surface water body as that term is defined in 310 CMR 30.010. The watershed area shall be as delineated by the Department on overlays of U.S.G.S. topographic maps.(2) No new or replacement underground tank shall be located within the watershed of a class A or class SA segment of a surface water body unless the owner or operator persuades the Department that there is no feasible alternative to storage or treatment in an underground tank (e.g., another permitting authority requires that a particular waste be stored underground). The watershed area shall be as delineated by the Department on overlays of U.S.G.S. topographic maps.