Mellwood Pump Station


Louisville, Kentucky


Louisville-Jefferson County Metropolitan Sewer Distric


Fall 2012 (construction)




The Mellwood Pump Station and Force Main project involved the complete redesign, expansion, and replacement of an existing pump station and force main located within the floodplain of the Ohio River. The new pump station will have a firm capacity of 4.2 million-gallons-per-day (MGD) using four submersible pumps located in a below-grade wet well. All other equipment related to the pump station, including a natural-gas-driven emergency generator, odor control equipment, hoist & monorail, and electrical/instrumentation equipment, will be located in a new elevated, brick building thus providing protection from the 13-foot, 100-year flood depth. The existing 6-inch polyvinylchloride (PVC) force main will be replaced with a new 1,470-ft., 16-inch PVC force main. The existing below-grade, can-type pump station will be demolished. Sustainable design concepts were incorporated into the design through the use of ambient lighting (skylights), high-efficiency motors, porous pavers, LED site lighting, etc.


  • new pump station and force main to replace existing below-grade pump station and small diameter force main.
  • firm pumping capacity of 4.2 MGD .
  • facility will be fully ope ational during a 100- year storm event.
  • functional and attractive building architecture to satisfy project requirements while blending in with surrounding residential neighborhood.
  • natural-gas-driven emergency generator.
  • force main crosses Zorn Avenue where numerous large diameter water lines, owned by Louisville Water Company, are located. Specialized construction techniques will be used to protect this major water supply artery.
  • sustainable design concepts incorporated throughout project.
  • landscape architecture, driveway and site grading were designed to control stormwater runoff.
  • odor control system will reduce/eliminate odors in vicinity of pump station.
  • instrumentation interfaces with MSD’s existing SCADA system.