No Dig Sewer D.C. A Washington D.C. homeowner contacted us after witnessing her neighbor’s yard being dug up to replace the sewer line. Her reaction was normal after seeing the extensive damage caused to her neighbor’s property. The Washington D.C. homeowner was well aware of the “no dig” sewer replacement technique as she had read about it recently. No dig sewer replacement by Perma-Liner can be installed through a clean-out – no second access point is needed! If you live in Washington D.C., Virginia or Maryland and would like to know more about no dig sewer replacement please call us right away!