Conferences: American Water Experts Present at WateReuse Symposium

Experts from American Water presented at the 27th Annual WateReuse Symposium in Hollywood, Fla., on Sept. 9-12.

Tom Peterson, the company?s project manager at the Fillmore Water Recycling Plant, gave a presentation titled ?Innovative Energy Curtailment Strategy for Minimization of Energy Cost in a Full Scale Reuse Plant in Fillmore California.? American Water responded to Fillmore?s request to reduce energy costs at the state-of-the-art water recycling plant with a strategy that combined innovative operational techniques, including American Water?s patented NPXpress, a more affordable and sustainable method to remove nutrients such as nitrogen and phosphorus from wastewater.?Additionally, the company?s flexible plant design and thought process to capture savings from the time-of-use power tariff have resulted in up to a 20 percent reduction in power costs over the last year.

Also during the conference, Dr. Mark LeChevallier, Director of Innovation and Environmental Stewardship, presented on the ?Impact of Wastewater Disinfection on Reuse Applications.? The presentation summarized several research projects on reuse to examine issues surrounding the effectiveness of existing regulations for disinfection of pathogens, control of waterborne pathogens and minimizing bacterial growth in reclaimed waters.

In addition, American Water, in partnership with Sand City and CDM Smith, received the 2012 WateReuse Project of the Year Award ? Desalination Facility for the Sand City Coastal Desalination Facility in California. The facility was chosen for its continued dedication to the water reuse and desalination community, along with the collaborative efforts of all the partners that made the project such a success.?

The Sand City project, which is operated by California American Water, is a 300 acre-foot per year reverse osmosis desalination facility. The system includes four brackish water feed wells, a concentrate disposal well and associated pipelines and appurtenances. The project has been in planning and development since the late 1990s as a method of providing the city with a source of potable water independent from the Monterey Peninsula supply.

Presented by the WateReuse Association and co-sponsored by the American Water Works Association (AWWA) and the Water Environment Federation (WEF), the Symposium showcased the latest innovations in water reuse and desalination. Other hot topics included industrial reuse, sustainability, water quality, seawater desalination, decentralized reuse, brackish water desalination, MBR systems, aquifer storage and recovery, disinfection, groundwater recharge, and engaging the public. A special presentation was also given on Florida?s water supply and water quality challenges.

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