Leading up to the SDWA anniversary in December, AWWA will continue to recognize the Act’s significant contributions to improving and protecting water quality and emphasize the need for continued investment and scientific evaluation to address emerging challenges.
Copper alloy structures have changed drastically within the past decade to comply with low lead requirements for potable water. Common compositions added to the new alloys were bismuth, silicon, or binary alloys. The creation of these new brass and bronze structures resulted in concerns with valve performance by both engineers and contractors.