On May 9, 1985, the Lake County Board of Supervisors adopted Article VI to Chapter 9 of the Lake County Code (PDF) establishing a cross-connection control program for all district customers. The interested reader is directed to Ordinance Number 1462, to view that Article.
In addition, Appendix D specifically includes a cross-connection program for Kelseyville County Waterworks District Number 3 customers. The interested reader is directed to Appendix D, to view that Article.