Louisville Water data also show no detections of butyl acrylate or other chemicals of concern in Louisville or at other regional testing sites upriver, in Warsaw, Westport and Carrollton in Kentucky, and at Madison, Indiana.
According to a news release, Louisville Water Company was presented with the highest award possible from the American Water Works Association's Partnership for Safe Water.
The check valve was removed to make room for a new water main for the Frankfort Avenue Main Replacement Project.
Customers are falling behind all over Jefferson, Bullitt and Oldham counties.
Louisville Water installed a 10-mile water main along the highway to connect with Shelbyville near Highway 55.
