They went to the north, they went to the south, And into the west went they, Till they found a civil, civil engineer, And unto him did say: "Now tell to us, thou civil engineer, If this be fit to drink." And they showed him a cup of the town water, Which was as black as ink.
Robert F. Murray: His Poems - A Ballad of the Town Water, Longmans, Green & Company. 1894