A New Way to Target I&I

Micromonitoring helps a Kentucky utility pinpoint I&I in less time and at lower cost, with less impact to private property owners.
A New Way to Target I&I
The Stantec Micromonitor, installed here in a sewer line, is a modified version of a standard area-velocity flow probe with the addition of a fabricated fiberglass weir insert installed behind the probe on a single stainless ring. (Photos courtesy of Stantec Consulting Services)

Kentucky's Sanitation District 1 (SD1) was facing a 2007 U.S. EPA consent decree to address combined and sanitary sewer overflows. The district needed a better means of identifying inflow and infiltration sources.


Among the many issues facing SD1 — which covers 220 square miles and...

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