A sewer blockage in Washington D.C. almost caused danger to a local zoo last Thursday, crews were on the scene and were able to save the day. The blockage was caused by grease, wet wipes and some roots had grown through the pipe and made it crack sending sewage onto the streets. Homeowners and municipalities alike can prevent these kinds’ disasters by having sewer pipelining checked. Call Perma-Liner about rehabbing old pipes! Washington D.C. our toll free number is 866-336-2568 or visit our website at www.perma-liner.com.