
Louisville: Karst Sinkholes and a Legacy Combined Sewer System Are Testing Rehabilitation Strategy
Louisville’s underground sits on some of the most sinkhole-prone karst terrain in the country. Louisville MSD has spent years working through a federal consent decree

Why is CIPP Rehabilitation Alone Not Sufficient for a Sealed System?
It is presumed that the resin in CIPP Liners bonds with host pipe, creating an effective watertight seal after cure. The truth is that resin

Approvals & Standards – Are They End Game or Path Markers?
By John M Heisler Approvals & Standards – Are They End Game or Path Markers? “I’ve been installing liners for a while now and ran

Tried & Tested Materials
My usual supplier provided me with a “new improved” product but after several failures of the new improved lining material I’m not so sure. How

Casting the Future of Pipe Rehabilitation
When two leaders in a field see an opportunity to combine forces the outcome can become more than the sum of 1 + 1 =

Plans Moving Right Along with Water Resource Agency
The Regional Water Resource Agency’s 10-year combined sewer overflow long-term control plan is well ahead of its schedule. The RWRA is working toward complying with


