| gptkbp:instanceOf | gptkb:estuarine_system 
 | 
                        
                            
                                | gptkbp:area | ~1,600 square miles 
 | 
                        
                            
                                | gptkbp:emptiesInto | gptkb:Pacific_Ocean 
 | 
                        
                            
                                | gptkbp:governedBy | gptkb:State_Water_Resources_Control_Board gptkb:Delta_Stewardship_Council
 
 | 
                        
                            
                                | gptkbp:hasDrinkingWaterSupply | yes 
 | 
                        
                            
                                | gptkbp:hasFloodHistory | yes 
 | 
                        
                            
                                | gptkbp:hasLegalFramework | gptkb:California_WaterFix gptkb:Delta_Plan
 gptkb:Delta_Reform_Act_of_2009
 
 | 
                        
                            
                                | gptkbp:hasLeveeSystem | yes 
 | 
                        
                            
                                | gptkbp:hasRestorationEffort | gptkb:EcoRestore gptkb:Bay_Delta_Conservation_Plan
 gptkb:CALFED_Bay-Delta_Program
 
 | 
                        
                            
                                | gptkbp:hasSalinityProblem | yes 
 | 
                        
                            
                                | gptkbp:hasWetlands | gptkb:Yolo_Bypass gptkb:Delta_Meadows
 gptkb:Suisun_Marsh
 
 | 
                        
                            
                                | gptkbp:importantFor | gptkb:fish gptkb:wildlife
 California water supply
 
 | 
                        
                            
                                | gptkbp:includes | gptkb:San_Francisco_Bay gptkb:Sacramento–San_Joaquin_River_Delta
 
 | 
                        
                            
                                | gptkbp:invasiveIn | gptkb:Brazilian_waterweed gptkb:Nutria
 gptkb:Quagga_mussel
 gptkb:Asian_clam
 gptkb:Water_hyacinth
 
 | 
                        
                            
                                | gptkbp:locatedIn | gptkb:California 
 | 
                        
                            
                                | gptkbp:mainCrops | yes 
 | 
                        
                            
                                | gptkbp:managedBy | gptkb:U.S._Bureau_of_Reclamation gptkb:California_Department_of_Water_Resources
 
 | 
                        
                            
                                | gptkbp:nearestCity | gptkb:Oakland gptkb:Sacramento
 gptkb:San_Francisco
 
 | 
                        
                            
                                | gptkbp:notableProject | gptkb:California_State_Water_Project gptkb:Central_Valley_Project
 
 | 
                        
                            
                                | gptkbp:notableSpecies | gptkb:Striped_bass gptkb:fish
 gptkb:Longfin_smelt
 gptkb:Delta_smelt
 
 | 
                        
                            
                                | gptkbp:partOf | gptkb:San_Francisco_Estuary 
 | 
                        
                            
                                | gptkbp:receivesWaterFrom | Sacramento River San Joaquin River
 
 | 
                        
                            
                                | gptkbp:threats | gptkb:invasive_species climate change
 water pollution
 water diversions
 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Spirinchus_thaleichthys gptkb:Delta_smelt
 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | San Francisco Bay-Delta 
 |