a smaller geographic section of a larger watershed unit with a drainage area between 2 to 15 square miles and whose boundaries include all the land area draining to a point where two second order streams combine to form a third order stream
                                                            
                                                     
                        
                                                
                        
                        
                            A drainage area within the project watershed. It can be as small as a single field or as large as almost the whole project area.
                                                            
                                                     
                        
                                                
                        
                        
                            a drainage area within a watershed.
                                                            
                                                     
                        
                                                
                        
                        
                            a watershed management unit used to describe watersheds and their smaller segments
                                                            
                                                     
                        
                                                
                        
                        
                            the land area draining runoff to a tributary of a larger river.
                                                            
                                                     
                        
                                                
                        
                        
                            Area of a river basin based on the tributaries and their watersheds as defined by the area's natural topography.
                                                            
                                                     
                        
                                                
                        
                        
                            a small watershed that is part of a larger watershed such as the watershed of a tributary stream.
                                                            
                                                     
                        
                                                
                        
                        
                            refers to smaller drainage areas ( e.g., Meetinghouse Creek) within the Peconic watershed
                                                            
                                                     
                        
                                                
                        
                        
                            A subdivision of a watershed based on hydrology, generally corresponding to the area drained by a small tributary or bayou, as opposed to a major river.