November 2017

Featured Article: “Stemming the Tide of I&I”

In a perfect world, average daily flow to the wastewater treatment plant on Sullivan’s Island, South Carolina, would be 182,000 gpd. That’s what the utility distributes daily in potable water and, theoretically, should receive back through its closed collections system. However, the actual flow to the plant averages 552,000 gpd, according to Greg Gress, who […]

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September 2016

Featured Article: “‘Grout First,’ Right Answer to Solve Sullivan’s Island, S.C., I/I Issues”

The following article about Bio-Nomic’s involvement in an infiltration & inflow projects was initially posted at TrenchlessTechnology.com. The year was 2004 and Greg Gress, manager of sewer and water for Sullivan’s Island, S.C., just completed the community’s CMOM self-assessment of its collection system. The 6-sq mile island located just north of Charleston hosts 80,000 ft of […]

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