Danfoss Drives in the Water industry

In early 2023, the Warren County Utility District (WCUD) in middle Tennessee was faced with a dilemma. The water tank in their Short Mountain (SM) pressure zone required cleaning and repairs as part of federal compliance regulations, but with only one tank in the pressure zone, as is the case with many rural municipalities, they had few options to maintain water service to customers while the tank was out of service during the washout process and while repairs were completed. WCUD maintains a 4.0 MGD Water Treatment Plant, six storage tanks, four remote pump stations, into four pressure zones with approximately 650 miles of mains to serve 9,000 customers in rural portions of Warren and five adjacent counties.

The Grand Strand Water and Sewer Authority in Myrtle Beach, South Carolina was struggling to keep up with demand at one of its main sewage pressure reducing stations. Myrtle Beach, a popular tourist destination, uses approximately 15 million gallons of water per day (MGD) or 5.5 billion gallons of water per year. The South Regional Pressure Reducing Station handles approximately 3 MGD and is controlled by suction pressure and a PID (proportional-integral-derivative) loop.  Its purpose is to reduce pressure on the south side of the sewer district to enable the other stations to pump more.

A solar-powered desalination plant in Kenya gives the community affordable, clean, and sustainable drinking water and irrigation water.

For a recent major upgrade to its La Rosière desalination plant, Jersey Water chose VLT® AQUA Drive from Danfoss. With dedicated water-industry functionality, this drive provides outstanding harmonic performance and high efficiency.

As the largest regional medical center in San Joaquin County, St. Joseph’s Medical Center in Stockton, Calif., has 359-beds, employs over 400 physicians and more than 2,400 employees. Operating the HVAC mechanical equipment for a facility this large is a huge energy-conservation challenge. That's why St. Joseph’s made the decision to use variable frequency drives (VFDs) on HVAC pump and fan motors —a decision that continues to pay off today, thanks to an innovative upgrade plan using Danfoss VLT® Drives.

The recently enlarged Health and Wellness Center at Western Oregon University has also been recognized as one of the country’s best-in-class facilities in terms of design and practices — earning LEED Gold certification. Because of its dual commitment to aquatics and sustainability, the Center jumped at the chance to dramatically cut the swimming pool’s electricity consumption with two Danfoss VLT® AQUA Drives, which are specifically designed to meet the challenges of water applications.