Critical Review: Surface Water and Stormwater Quality Impacts of Cured‐In‐Place Pipe Repairs
2018
Ra, Kyungyeon | Teimouri Sendesi, Seyedeh Mahboobeh | Howarter, John A. | Jafvert, Chad T. | Donaldson, Bridget M. | Whelton, Andrew J.
Cured‐in‐place pipe (CIPP) technology has been used to rehabilitate sanitary sewer, storm sewer, and drinking water pipes. However, utilities, regulators, and health officials have raised environmental, occupational, and public health concerns regarding chemical emissions into air and water. To better understand emissions into water, available literature was reviewed. Water contamination has been documented in 10 states and Canada because of the release of uncured resin, solvents, manufacturing byproducts, and wastes during and after construction. Odor, fish kill, and drinking water contamination incidents have been reported. The few field‐ and bench‐scale studies available show that a variety of volatile organic compounds and semivolatile organic compounds have been released into water and contamination was detected for several months. CIPP waste was acutely toxic to aquatic organisms. Chemical release is likely influenced by formulation, installation, and environmental conditions. CIPP installation and inspection recommendations were suggested. Studies are needed to develop evidence‐based construction and monitoring practices to minimize risks.
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