(a) Subsurface sewage disposal facilities with a design capacity of one thousand gallons per day or less are permitted to discharge within the basin provided said facilities are designed, constructed, operated and maintained in accordance with all applicable laws, regulations and permits issued pursuant thereto.
(b) Subsurface sewage disposal facilities with a design capacity of greater than one thousand gallons per day are permitted to discharge within the basin provided that such facilities:
(i) discharge treated sewage effluent to land or groundwater;
(ii) are designed to meet best technology available;
(iii) are in compliance with a valid state pollutant discharge elimination system (SPDES) permit;
(iv) are designed to meet existing needs only; and
(v) are designed, operated and maintained in accordance with applicable laws and regulations.
(c) The commissioner shall prepare a technical manual describing the best technologies available for sewage disposal facilities within the Lake George basin, which shall include, but not be limited to, specifications for the design, construction, maintenance and monitoring of such facilities and performance standards for nutrient removal. The commissioner shall complete the manual within eighteen months of the effective date of this subdivision and shall notice completion of the manual in the state register and the environmental notice bulletin.