Built to its borders, Rockville, Maryland, is growing up, not out. The city’s Department of Public Works (DPW) is paving the way for growth by repairing, rehabbing and replacing its pipe infrastructure at an aggressive pace, while establishing a reputation for investing public funds to produce tangible results. 

Rockville is located a half-hour north of Washington, D.C., and is ringed by the Washington Suburban Sanitary District (WSSD). Judy Ding, deputy director of...