1. Any city or county which has established or establishes a city, county or part-county department of health may adopt regulations for the control of such developments. Regulations adopted by a county or city board of health may include, but not be limited to, establishment of such requirements as it may deem necessary to guarantee the installation of such sewage facilities in accordance with the plans heretofore or hereinafter approved by the county or city department of health or any approved revision or revisions thereof.
2. Nothing contained in sections 17-1501 to 17-1505, inclusive, and sections 17-1511 and 17-1513, shall be construed to delegate the general powers of the department nor to impair nor to deprive the department of its powers and functions as now provided by law.