sentences:  A state law passed by the Commonwealth of Pennsylvania on 11 March 1857 on the formation and organization of gas and water companies was the basis for incorporation in 1865 and subsequent construction and provision of utility service.Erie's city government decided on 16 July 1866 to seek a hydraulic engineer to oversee construction.The city engaged Henry P M Birkinbine, Esq, of Philadelphia, Pennsylvania, who reported his findings on 23 February 1867.