In carrying out its duties with regard to the implementation of a countywide wastewater management plan, any county planning committee may recommend such reasonable ordinances, rules, regulations and standards for industrial siting, onsite residential wastewater treatment facilities (including septic tanks) and water delivery and wastewater systems in newly developing areas within the county to the county commissioners or municipal government authorized to enact such ordinances, rules and regulations, which governmental unit is hereby authorized to enact and enforce. The rules and regulations and standards shall be in conformity with the rules and regulations and standards adopted by the secretary for wastewater management of point source pollution.