Because water is the source of life and we need It to live we waste it but maybe somebody poor might need it
        
                    
             
        
        
        
Connotation involves all of the positive and negative things associated with a word. Words with the same denotation (meaning) can have very different connotations. 
for example: calling someone who dislikes spending money thrifty budget-savvy is very different from calling that person stingy or scrooge.