Sanitary Sewer Relining

Arlington County’s sanitary sewer system includes 465 miles pipes and 13 lift stations. The Arlington County Capital Improvement Program funds the annual relining of approximately 1.5 percent of the system, or about seven miles of pipe using a cured-in-place pipe (CIPP), a trenchless rehabilitation process.



Take a look inside the process, as the County conducted its work on the S Four Mile Run sanitary sewer line.
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