Sewer Overflows

The EPA estimates that there are between 23,000 and 75,000 sanitary sewer overflow events each year in the US, discharging a total volume of between three and ten billion gallons of wastewater per year. The four critical points of infiltration causing these overflows are:

  • manholes
  • pipe joints
  • lateral service connections
  • the first several feet of each service connection

Avanti International’s chemical grouts address each of these critical points of infiltration in structurally sound pipe.


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