In cases where the site location, site characteristics, proposed use or intensity of use, or other factors warrant the Planning Commission, Zoning Hearing Board, or Board of Township Supervisors having appropriate jurisdiction may establish requirements or standards and regulate the siting, density and design as it may deem necessary to protect the public health and safety, to provide for reliable, safe and adequate water supplies, to preserve natural, scenic and historic values, to protect the environment, and to preserve forests, wetlands, aquifers and floodplains.