Is There Calcium in Faucet Water? Everything You Need to Know
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                An average glass of moderately hard tap water can contribute up to 75 mg of calcium to your daily mineral intake. So, is there calcium in faucet water? The answer is yes, and its presence is a natural phenomenon, with the amount largely dependent on your area's geological makeup.