The Complete Guide to Interpreting Your Dreams
by Stearn Robinson - Tom CorbettIf it was full up, it predicts full prosperity; if it was empty, it portends difficulties though not of your own making.
Partially full suggests sufficient resources for your requirements, and if the reservoir was in the process of filling, the wind of change will soon be blowing some new opportunities your way.
A Dictionary of Dream Symbols
by Eric Ackroyd(2) Running water may symbolize emotion; so, a calm stretch of still water may represent an untroubled state of tranquillity, or the emotionally virginal state of a (young) person whose emotions have not yet been roused.