Methods that have been determined to be the most effective, practical means of preventing or reducing pollution from non-point sources, such as pollutants carried by urban runoff.
                                                            
                                                     
                        
                                                
                        
                        
                            See best management practices.
                                                            
                                                     
                        
                                                
                        
                        
                            Best Management Practices. Generally, a set of standardized efficiencies or measures. At CLWA and other urban water suppliers, refers to a set of water conservation measures agreed to by participants in the California Urban Water Conservation Council.